phpmyadmin working

1 files changed, 5148 insertions, 0 deletions

diff --git a/srcs/phpmyadmin/js/functions.js b/srcs/phpmyadmin/js/functions.js
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+/* vim: set expandtab sw=4 ts=4 sts=4: */
+
+/* global isStorageSupported */ // js/config.js
+/* global ChartType, ColumnType, DataTable, JQPlotChartFactory */ // js/chart.js
+/* global DatabaseStructure */ // js/database/structure.js
+/* global mysqlDocBuiltin, mysqlDocKeyword */ // js/doclinks.js
+/* global Indexes */ // js/indexes.js
+/* global maxInputVars, mysqlDocTemplate, pmaThemeImage */ // js/messages.php
+/* global MicroHistory */ // js/microhistory.js
+/* global checkPasswordStrength */ // js/server/privileges.js
+/* global sprintf */ // js/vendor/sprintf.js
+/* global Int32Array */ // ES6
+
+/**
+ * general function, usually for data manipulation pages
+ *
+ */
+var Functions = {};
+
+/**
+ * @var sqlBoxLocked lock for the sqlbox textarea in the querybox
+ */
+// eslint-disable-next-line no-unused-vars
+var sqlBoxLocked = false;
+
+/**
+ * @var {array} holds elements which content should only selected once
+ */
+var onlyOnceElements = [];
+
+/**
+ * @var {int} ajaxMessageCount Number of AJAX messages shown since page load
+ */
+var ajaxMessageCount = 0;
+
+/**
+ * @var codeMirrorEditor object containing CodeMirror editor of the query editor in SQL tab
+ */
+var codeMirrorEditor = false;
+
+/**
+ * @var codeMirrorInlineEditor object containing CodeMirror editor of the inline query editor
+ */
+var codeMirrorInlineEditor = false;
+
+/**
+ * @var {boolean} sqlAutoCompleteInProgress shows if Table/Column name autocomplete AJAX is in progress
+ */
+var sqlAutoCompleteInProgress = false;
+
+/**
+ * @var sqlAutoComplete object containing list of columns in each table
+ */
+var sqlAutoComplete = false;
+
+/**
+ * @var {string} sqlAutoCompleteDefaultTable string containing default table to autocomplete columns
+ */
+var sqlAutoCompleteDefaultTable = '';
+
+/**
+ * @var {array} centralColumnList array to hold the columns in central list per db.
+ */
+var centralColumnList = [];
+
+/**
+ * @var {array} primaryIndexes array to hold 'Primary' index columns.
+ */
+// eslint-disable-next-line no-unused-vars
+var primaryIndexes = [];
+
+/**
+ * @var {array} uniqueIndexes array to hold 'Unique' index columns.
+ */
+// eslint-disable-next-line no-unused-vars
+var uniqueIndexes = [];
+
+/**
+ * @var {array} indexes array to hold 'Index' columns.
+ */
+// eslint-disable-next-line no-unused-vars
+var indexes = [];
+
+/**
+ * @var {array} fulltextIndexes array to hold 'Fulltext' columns.
+ */
+// eslint-disable-next-line no-unused-vars
+var fulltextIndexes = [];
+
+/**
+ * @var {array} spatialIndexes array to hold 'Spatial' columns.
+ */
+// eslint-disable-next-line no-unused-vars
+var spatialIndexes = [];
+
+/**
+ * Make sure that ajax requests will not be cached
+ * by appending a random variable to their parameters
+ */
+$.ajaxPrefilter(function (options, originalOptions) {
+    var nocache = new Date().getTime() + '' + Math.floor(Math.random() * 1000000);
+    if (typeof options.data === 'string') {
+        options.data += '&_nocache=' + nocache + '&token=' + encodeURIComponent(CommonParams.get('token'));
+    } else if (typeof options.data === 'object') {
+        options.data = $.extend(originalOptions.data, { '_nocache' : nocache, 'token': CommonParams.get('token') });
+    }
+});
+
+/**
+ * Adds a date/time picker to an element
+ *
+ * @param {object} $thisElement a jQuery object pointing to the element
+ */
+Functions.addDatepicker = function ($thisElement, type, options) {
+    if (type !== 'date' && type !== 'time' && type !== 'datetime' && type !== 'timestamp') {
+        return;
+    }
+
+    var showTimepicker = true;
+    if (type === 'date') {
+        showTimepicker = false;
+    }
+
+    // Getting the current Date and time
+    var currentDateTime = new Date();
+
+    var defaultOptions = {
+        timeInput : true,
+        hour: currentDateTime.getHours(),
+        minute: currentDateTime.getMinutes(),
+        second: currentDateTime.getSeconds(),
+        showOn: 'button',
+        buttonImage: pmaThemeImage + 'b_calendar.png',
+        buttonImageOnly: true,
+        stepMinutes: 1,
+        stepHours: 1,
+        showSecond: true,
+        showMillisec: true,
+        showMicrosec: true,
+        showTimepicker: showTimepicker,
+        showButtonPanel: false,
+        dateFormat: 'yy-mm-dd', // yy means year with four digits
+        timeFormat: 'HH:mm:ss.lc',
+        constrainInput: false,
+        altFieldTimeOnly: false,
+        showAnim: '',
+        beforeShow: function (input, inst) {
+            // Remember that we came from the datepicker; this is used
+            // in table/change.js by verificationsAfterFieldChange()
+            $thisElement.data('comes_from', 'datepicker');
+            if ($(input).closest('.cEdit').length > 0) {
+                setTimeout(function () {
+                    inst.dpDiv.css({
+                        top: 0,
+                        left: 0,
+                        position: 'relative'
+                    });
+                }, 0);
+            }
+            setTimeout(function () {
+                // Fix wrong timepicker z-index, doesn't work without timeout
+                $('#ui-timepicker-div').css('z-index', $('#ui-datepicker-div').css('z-index'));
+                // Integrate tooltip text into dialog
+                var tooltip = $thisElement.tooltip('instance');
+                if (typeof tooltip !== 'undefined') {
+                    tooltip.disable();
+                    var $note = $('<p class="note"></div>');
+                    $note.text(tooltip.option('content'));
+                    $('div.ui-datepicker').append($note);
+                }
+            }, 0);
+        },
+        onSelect: function () {
+            $thisElement.data('datepicker').inline = true;
+        },
+        onClose: function () {
+            // The value is no more from the date picker
+            $thisElement.data('comes_from', '');
+            if (typeof $thisElement.data('datepicker') !== 'undefined') {
+                $thisElement.data('datepicker').inline = false;
+            }
+            var tooltip = $thisElement.tooltip('instance');
+            if (typeof tooltip !== 'undefined') {
+                tooltip.enable();
+            }
+        }
+    };
+    if (type === 'time') {
+        $thisElement.timepicker($.extend(defaultOptions, options));
+        // Add a tip regarding entering MySQL allowed-values for TIME data-type
+        Functions.tooltip($thisElement, 'input', Messages.strMysqlAllowedValuesTipTime);
+    } else {
+        $thisElement.datetimepicker($.extend(defaultOptions, options));
+    }
+};
+
+/**
+ * Add a date/time picker to each element that needs it
+ * (only when jquery-ui-timepicker-addon.js is loaded)
+ */
+Functions.addDateTimePicker = function () {
+    if ($.timepicker !== undefined) {
+        $('input.timefield, input.datefield, input.datetimefield').each(function () {
+            var decimals = $(this).parent().attr('data-decimals');
+            var type = $(this).parent().attr('data-type');
+
+            var showMillisec = false;
+            var showMicrosec = false;
+            var timeFormat = 'HH:mm:ss';
+            var hourMax = 23;
+            // check for decimal places of seconds
+            if (decimals > 0 && type.indexOf('time') !== -1) {
+                if (decimals > 3) {
+                    showMillisec = true;
+                    showMicrosec = true;
+                    timeFormat = 'HH:mm:ss.lc';
+                } else {
+                    showMillisec = true;
+                    timeFormat = 'HH:mm:ss.l';
+                }
+            }
+            if (type === 'time') {
+                hourMax = 99;
+            }
+            Functions.addDatepicker($(this), type, {
+                showMillisec: showMillisec,
+                showMicrosec: showMicrosec,
+                timeFormat: timeFormat,
+                hourMax: hourMax
+            });
+            // Add a tip regarding entering MySQL allowed-values
+            // for TIME and DATE data-type
+            if ($(this).hasClass('timefield')) {
+                Functions.tooltip($(this), 'input', Messages.strMysqlAllowedValuesTipTime);
+            } else if ($(this).hasClass('datefield')) {
+                Functions.tooltip($(this), 'input', Messages.strMysqlAllowedValuesTipDate);
+            }
+        });
+    }
+};
+
+/**
+ * Handle redirect and reload flags sent as part of AJAX requests
+ *
+ * @param data ajax response data
+ */
+Functions.handleRedirectAndReload = function (data) {
+    if (parseInt(data.redirect_flag) === 1) {
+        // add one more GET param to display session expiry msg
+        if (window.location.href.indexOf('?') === -1) {
+            window.location.href += '?session_expired=1';
+        } else {
+            window.location.href += CommonParams.get('arg_separator') + 'session_expired=1';
+        }
+        window.location.reload();
+    } else if (parseInt(data.reload_flag) === 1) {
+        window.location.reload();
+    }
+};
+
+/**
+ * Creates an SQL editor which supports auto completing etc.
+ *
+ * @param $textarea   jQuery object wrapping the textarea to be made the editor
+ * @param options     optional options for CodeMirror
+ * @param resize      optional resizing ('vertical', 'horizontal', 'both')
+ * @param lintOptions additional options for lint
+ */
+Functions.getSqlEditor = function ($textarea, options, resize, lintOptions) {
+    var resizeType = resize;
+    if ($textarea.length > 0 && typeof CodeMirror !== 'undefined') {
+        // merge options for CodeMirror
+        var defaults = {
+            lineNumbers: true,
+            matchBrackets: true,
+            extraKeys: { 'Ctrl-Space': 'autocomplete' },
+            hintOptions: { 'completeSingle': false, 'completeOnSingleClick': true },
+            indentUnit: 4,
+            mode: 'text/x-mysql',
+            lineWrapping: true
+        };
+
+        if (CodeMirror.sqlLint) {
+            $.extend(defaults, {
+                gutters: ['CodeMirror-lint-markers'],
+                lint: {
+                    'getAnnotations': CodeMirror.sqlLint,
+                    'async': true,
+                    'lintOptions': lintOptions
+                }
+            });
+        }
+
+        $.extend(true, defaults, options);
+
+        // create CodeMirror editor
+        var codemirrorEditor = CodeMirror.fromTextArea($textarea[0], defaults);
+        // allow resizing
+        if (! resizeType) {
+            resizeType = 'vertical';
+        }
+        var handles = '';
+        if (resizeType === 'vertical') {
+            handles = 's';
+        }
+        if (resizeType === 'both') {
+            handles = 'all';
+        }
+        if (resizeType === 'horizontal') {
+            handles = 'e, w';
+        }
+        $(codemirrorEditor.getWrapperElement())
+            .css('resize', resizeType)
+            .resizable({
+                handles: handles,
+                resize: function () {
+                    codemirrorEditor.setSize($(this).width(), $(this).height());
+                }
+            });
+        // enable autocomplete
+        codemirrorEditor.on('inputRead', Functions.codeMirrorAutoCompleteOnInputRead);
+
+        // page locking
+        codemirrorEditor.on('change', function (e) {
+            e.data = {
+                value: 3,
+                content: codemirrorEditor.isClean(),
+            };
+            AJAX.lockPageHandler(e);
+        });
+
+        return codemirrorEditor;
+    }
+    return null;
+};
+
+/**
+ * Clear text selection
+ */
+Functions.clearSelection = function () {
+    if (document.selection && document.selection.empty) {
+        document.selection.empty();
+    } else if (window.getSelection) {
+        var sel = window.getSelection();
+        if (sel.empty) {
+            sel.empty();
+        }
+        if (sel.removeAllRanges) {
+            sel.removeAllRanges();
+        }
+    }
+};
+
+/**
+ * Create a jQuery UI tooltip
+ *
+ * @param $elements     jQuery object representing the elements
+ * @param item          the item
+ *                      (see https://api.jqueryui.com/tooltip/#option-items)
+ * @param myContent     content of the tooltip
+ * @param additionalOptions to override the default options
+ *
+ */
+Functions.tooltip = function ($elements, item, myContent, additionalOptions) {
+    if ($('#no_hint').length > 0) {
+        return;
+    }
+
+    var defaultOptions = {
+        content: myContent,
+        items:  item,
+        tooltipClass: 'tooltip',
+        track: true,
+        show: false,
+        hide: false
+    };
+
+    $elements.tooltip($.extend(true, defaultOptions, additionalOptions));
+};
+
+/**
+ * HTML escaping
+ */
+Functions.escapeHtml = function (unsafe) {
+    if (typeof(unsafe) !== 'undefined') {
+        return unsafe
+            .toString()
+            .replace(/&/g, '&amp;')
+            .replace(/</g, '&lt;')
+            .replace(/>/g, '&gt;')
+            .replace(/"/g, '&quot;')
+            .replace(/'/g, '&#039;');
+    } else {
+        return false;
+    }
+};
+
+Functions.escapeJsString = function (unsafe) {
+    if (typeof(unsafe) !== 'undefined') {
+        return unsafe
+            .toString()
+            .replace('\x00', '')
+            .replace('\\', '\\\\')
+            .replace('\'', '\\\'')
+            .replace('&#039;', '\\&#039;')
+            .replace('"', '\\"')
+            .replace('&quot;', '\\&quot;')
+            .replace('\n', '\n')
+            .replace('\r', '\r')
+            .replace(/<\/script/gi, '</\' + \'script');
+    } else {
+        return false;
+    }
+};
+
+Functions.escapeBacktick = function (s) {
+    return s.replace('`', '``');
+};
+
+Functions.escapeSingleQuote = function (s) {
+    return s.replace('\\', '\\\\').replace('\'', '\\\'');
+};
+
+Functions.sprintf = function () {
+    return sprintf.apply(this, arguments);
+};
+
+/**
+ * Hides/shows the default value input field, depending on the default type
+ * Ticks the NULL checkbox if NULL is chosen as default value.
+ */
+Functions.hideShowDefaultValue = function ($defaultType) {
+    if ($defaultType.val() === 'USER_DEFINED') {
+        $defaultType.siblings('.default_value').show().focus();
+    } else {
+        $defaultType.siblings('.default_value').hide();
+        if ($defaultType.val() === 'NULL') {
+            var $nullCheckbox = $defaultType.closest('tr').find('.allow_null');
+            $nullCheckbox.prop('checked', true);
+        }
+    }
+};
+
+/**
+ * Hides/shows the input field for column expression based on whether
+ * VIRTUAL/PERSISTENT is selected
+ *
+ * @param $virtuality virtuality dropdown
+ */
+Functions.hideShowExpression = function ($virtuality) {
+    if ($virtuality.val() === '') {
+        $virtuality.siblings('.expression').hide();
+    } else {
+        $virtuality.siblings('.expression').show();
+    }
+};
+
+/**
+ * Show notices for ENUM columns; add/hide the default value
+ *
+ */
+Functions.verifyColumnsProperties = function () {
+    $('select.column_type').each(function () {
+        Functions.showNoticeForEnum($(this));
+    });
+    $('select.default_type').each(function () {
+        Functions.hideShowDefaultValue($(this));
+    });
+    $('select.virtuality').each(function () {
+        Functions.hideShowExpression($(this));
+    });
+};
+
+/**
+ * Add a hidden field to the form to indicate that this will be an
+ * Ajax request (only if this hidden field does not exist)
+ *
+ * @param $form object   the form
+ */
+Functions.prepareForAjaxRequest = function ($form) {
+    if (! $form.find('input:hidden').is('#ajax_request_hidden')) {
+        $form.append('<input type="hidden" id="ajax_request_hidden" name="ajax_request" value="true">');
+    }
+};
+
+/**
+ * Generate a new password and copy it to the password input areas
+ *
+ * @param {object} passwordForm the form that holds the password fields
+ *
+ * @return {boolean} always true
+ */
+Functions.suggestPassword = function (passwordForm) {
+    // restrict the password to just letters and numbers to avoid problems:
+    // "editors and viewers regard the password as multiple words and
+    // things like double click no longer work"
+    var pwchars = 'abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWYXZ';
+    var passwordlength = 16;    // do we want that to be dynamic?  no, keep it simple :)
+    var passwd = passwordForm.generated_pw;
+    var randomWords = new Int32Array(passwordlength);
+
+    passwd.value = '';
+
+    var i;
+
+    // First we're going to try to use a built-in CSPRNG
+    if (window.crypto && window.crypto.getRandomValues) {
+        window.crypto.getRandomValues(randomWords);
+    } else if (window.msCrypto && window.msCrypto.getRandomValues) {
+        // Because of course IE calls it msCrypto instead of being standard
+        window.msCrypto.getRandomValues(randomWords);
+    } else {
+        // Fallback to Math.random
+        for (i = 0; i < passwordlength; i++) {
+            randomWords[i] = Math.floor(Math.random() * pwchars.length);
+        }
+    }
+
+    for (i = 0; i < passwordlength; i++) {
+        passwd.value += pwchars.charAt(Math.abs(randomWords[i]) % pwchars.length);
+    }
+
+    var $jQueryPasswordForm = $(passwordForm);
+
+    passwordForm.elements.pma_pw.value = passwd.value;
+    passwordForm.elements.pma_pw2.value = passwd.value;
+    var meterObj = $jQueryPasswordForm.find('meter[name="pw_meter"]').first();
+    var meterObjLabel = $jQueryPasswordForm.find('span[name="pw_strength"]').first();
+    checkPasswordStrength(passwd.value, meterObj, meterObjLabel);
+    return true;
+};
+
+/**
+ * Version string to integer conversion.
+ */
+Functions.parseVersionString = function (str) {
+    if (typeof(str) !== 'string') {
+        return false;
+    }
+    var add = 0;
+    // Parse possible alpha/beta/rc/
+    var state = str.split('-');
+    if (state.length >= 2) {
+        if (state[1].substr(0, 2) === 'rc') {
+            add = - 20 - parseInt(state[1].substr(2), 10);
+        } else if (state[1].substr(0, 4) === 'beta') {
+            add =  - 40 - parseInt(state[1].substr(4), 10);
+        } else if (state[1].substr(0, 5) === 'alpha') {
+            add =  - 60 - parseInt(state[1].substr(5), 10);
+        } else if (state[1].substr(0, 3) === 'dev') {
+            /* We don't handle dev, it's git snapshot */
+            add = 0;
+        }
+    }
+    // Parse version
+    var x = str.split('.');
+    // Use 0 for non existing parts
+    var maj = parseInt(x[0], 10) || 0;
+    var min = parseInt(x[1], 10) || 0;
+    var pat = parseInt(x[2], 10) || 0;
+    var hotfix = parseInt(x[3], 10) || 0;
+    return  maj * 100000000 + min * 1000000 + pat * 10000 + hotfix * 100 + add;
+};
+
+/**
+ * Indicates current available version on main page.
+ */
+Functions.currentVersion = function (data) {
+    if (data && data.version && data.date) {
+        var current = Functions.parseVersionString($('span.version').text());
+        var latest = Functions.parseVersionString(data.version);
+        var url = 'https://www.phpmyadmin.net/files/' + Functions.escapeHtml(encodeURIComponent(data.version)) + '/';
+        var versionInformationMessage = document.createElement('span');
+        versionInformationMessage.className = 'latest';
+        var versionInformationMessageLink = document.createElement('a');
+        versionInformationMessageLink.href = url;
+        versionInformationMessageLink.className = 'disableAjax';
+        var versionInformationMessageLinkText = document.createTextNode(data.version);
+        versionInformationMessageLink.appendChild(versionInformationMessageLinkText);
+        var prefixMessage = document.createTextNode(Messages.strLatestAvailable + ' ');
+        versionInformationMessage.appendChild(prefixMessage);
+        versionInformationMessage.appendChild(versionInformationMessageLink);
+        if (latest > current) {
+            var message = Functions.sprintf(
+                Messages.strNewerVersion,
+                Functions.escapeHtml(data.version),
+                Functions.escapeHtml(data.date)
+            );
+            var htmlClass = 'notice';
+            if (Math.floor(latest / 10000) === Math.floor(current / 10000)) {
+                /* Security update */
+                htmlClass = 'error';
+            }
+            $('#newer_version_notice').remove();
+            var mainContainerDiv = document.createElement('div');
+            mainContainerDiv.id = 'newer_version_notice';
+            mainContainerDiv.className = htmlClass;
+            var mainContainerDivLink = document.createElement('a');
+            mainContainerDivLink.href = url;
+            mainContainerDivLink.className = 'disableAjax';
+            var mainContainerDivLinkText = document.createTextNode(message);
+            mainContainerDivLink.appendChild(mainContainerDivLinkText);
+            mainContainerDiv.appendChild(mainContainerDivLink);
+            $('#maincontainer').append($(mainContainerDiv));
+        }
+        if (latest === current) {
+            versionInformationMessage = document.createTextNode(' (' + Messages.strUpToDate + ')');
+        }
+        /* Remove extra whitespace */
+        var versionInfo = $('#li_pma_version').contents().get(2);
+        if (typeof versionInfo !== 'undefined') {
+            versionInfo.textContent = $.trim(versionInfo.textContent);
+        }
+        var $liPmaVersion = $('#li_pma_version');
+        $liPmaVersion.find('span.latest').remove();
+        $liPmaVersion.append($(versionInformationMessage));
+    }
+};
+
+/**
+ * Loads Git revision data from ajax for index.php
+ */
+Functions.displayGitRevision = function () {
+    $('#is_git_revision').remove();
+    $('#li_pma_version_git').remove();
+    $.get(
+        'index.php',
+        {
+            'server': CommonParams.get('server'),
+            'git_revision': true,
+            'ajax_request': true,
+            'no_debug': true
+        },
+        function (data) {
+            if (typeof data !== 'undefined' && data.success === true) {
+                $(data.message).insertAfter('#li_pma_version');
+            }
+        }
+    );
+};
+
+/**
+ * for PhpMyAdmin\Display\ChangePassword
+ *     libraries/user_password.php
+ *
+ */
+Functions.displayPasswordGenerateButton = function () {
+    var generatePwdRow = $('<tr></tr>').addClass('vmiddle');
+    $('<td></td>').html(Messages.strGeneratePassword).appendTo(generatePwdRow);
+    var pwdCell = $('<td></td>').appendTo(generatePwdRow);
+    var pwdButton = $('<input>')
+        .attr({ type: 'button', id: 'button_generate_password', value: Messages.strGenerate })
+        .addClass('btn btn-secondary button')
+        .on('click', function () {
+            Functions.suggestPassword(this.form);
+        });
+    var pwdTextbox = $('<input>')
+        .attr({ type: 'text', name: 'generated_pw', id: 'generated_pw' });
+    pwdCell.append(pwdButton).append(pwdTextbox);
+
+    if (document.getElementById('button_generate_password') === null) {
+        $('#tr_element_before_generate_password').parent().append(generatePwdRow);
+    }
+
+    var generatePwdDiv = $('<div></div>').addClass('item');
+    $('<label></label>').attr({ for: 'button_generate_password' })
+        .html(Messages.strGeneratePassword + ':')
+        .appendTo(generatePwdDiv);
+    var optionsSpan = $('<span></span>').addClass('options')
+        .appendTo(generatePwdDiv);
+    pwdButton.clone(true).appendTo(optionsSpan);
+    pwdTextbox.clone(true).appendTo(generatePwdDiv);
+
+    if (document.getElementById('button_generate_password') === null) {
+        $('#div_element_before_generate_password').parent().append(generatePwdDiv);
+    }
+};
+
+/**
+ * selects the content of a given object, f.e. a textarea
+ *
+ * @param {object}  element  element of which the content will be selected
+ * @param {var}     lock     variable which holds the lock for this element or true, if no lock exists
+ * @param {boolean} onlyOnce boolean if true this is only done once f.e. only on first focus
+ */
+Functions.selectContent = function (element, lock, onlyOnce) {
+    if (onlyOnce && onlyOnceElements[element.name]) {
+        return;
+    }
+
+    onlyOnceElements[element.name] = true;
+
+    if (lock) {
+        return;
+    }
+
+    element.select();
+};
+
+/**
+ * Displays a confirmation box before submitting a "DROP/DELETE/ALTER" query.
+ * This function is called while clicking links
+ *
+ * @param theLink     object the link
+ * @param theSqlQuery object the sql query to submit
+ *
+ * @return boolean  whether to run the query or not
+ */
+Functions.confirmLink = function (theLink, theSqlQuery) {
+    // Confirmation is not required in the configuration file
+    // or browser is Opera (crappy js implementation)
+    if (Messages.strDoYouReally === '' || typeof(window.opera) !== 'undefined') {
+        return true;
+    }
+
+    var isConfirmed = confirm(Functions.sprintf(Messages.strDoYouReally, theSqlQuery));
+    if (isConfirmed) {
+        if (typeof(theLink.href) !== 'undefined') {
+            theLink.href += CommonParams.get('arg_separator') + 'is_js_confirmed=1';
+        } else if (typeof(theLink.form) !== 'undefined') {
+            theLink.form.action += '?is_js_confirmed=1';
+        }
+    }
+
+    return isConfirmed;
+};
+
+/**
+ * Confirms a "DROP/DELETE/ALTER" query before
+ * submitting it if required.
+ * This function is called by the 'Functions.checkSqlQuery()' js function.
+ *
+ * @param theForm1 object   the form
+ * @param sqlQuery1 string  the sql query string
+ *
+ * @return boolean  whether to run the query or not
+ *
+ * @see     Functions.checkSqlQuery()
+ */
+Functions.confirmQuery = function (theForm1, sqlQuery1) {
+    // Confirmation is not required in the configuration file
+    if (Messages.strDoYouReally === '') {
+        return true;
+    }
+
+    // Confirms a "DROP/DELETE/ALTER/TRUNCATE" statement
+    //
+    // TODO: find a way (if possible) to use the parser-analyser
+    // for this kind of verification
+    // For now, I just added a ^ to check for the statement at
+    // beginning of expression
+
+    var doConfirmRegExp0 = new RegExp('^\\s*DROP\\s+(IF EXISTS\\s+)?(TABLE|PROCEDURE)\\s', 'i');
+    var doConfirmRegExp1 = new RegExp('^\\s*ALTER\\s+TABLE\\s+((`[^`]+`)|([A-Za-z0-9_$]+))\\s+DROP\\s', 'i');
+    var doConfirmRegExp2 = new RegExp('^\\s*DELETE\\s+FROM\\s', 'i');
+    var doConfirmRegExp3 = new RegExp('^\\s*TRUNCATE\\s', 'i');
+    var doConfirmRegExp4 = new RegExp('^(?=.*UPDATE\\b)^((?!WHERE).)*$', 'i');
+
+    if (doConfirmRegExp0.test(sqlQuery1) ||
+        doConfirmRegExp1.test(sqlQuery1) ||
+        doConfirmRegExp2.test(sqlQuery1) ||
+        doConfirmRegExp3.test(sqlQuery1) ||
+        doConfirmRegExp4.test(sqlQuery1)) {
+        var message;
+        if (sqlQuery1.length > 100) {
+            message = sqlQuery1.substr(0, 100) + '\n    ...';
+        } else {
+            message = sqlQuery1;
+        }
+        var isConfirmed = confirm(Functions.sprintf(Messages.strDoYouReally, message));
+        // statement is confirmed -> update the
+        // "is_js_confirmed" form field so the confirm test won't be
+        // run on the server side and allows to submit the form
+        if (isConfirmed) {
+            theForm1.elements.is_js_confirmed.value = 1;
+            return true;
+        } else {
+            // statement is rejected -> do not submit the form
+            window.focus();
+            return false;
+        } // end if (handle confirm box result)
+    } // end if (display confirm box)
+
+    return true;
+};
+
+/**
+ * Displays an error message if the user submitted the sql query form with no
+ * sql query, else checks for "DROP/DELETE/ALTER" statements
+ *
+ * @param theForm object the form
+ *
+ * @return boolean  always false
+ *
+ * @see     Functions.confirmQuery()
+ */
+Functions.checkSqlQuery = function (theForm) {
+    // get the textarea element containing the query
+    var sqlQuery;
+    if (codeMirrorEditor) {
+        codeMirrorEditor.save();
+        sqlQuery = codeMirrorEditor.getValue();
+    } else {
+        sqlQuery = theForm.elements.sql_query.value;
+    }
+    var spaceRegExp = new RegExp('\\s+');
+    if (typeof(theForm.elements.sql_file) !== 'undefined' &&
+            theForm.elements.sql_file.value.replace(spaceRegExp, '') !== '') {
+        return true;
+    }
+    if (typeof(theForm.elements.id_bookmark) !== 'undefined' &&
+            (theForm.elements.id_bookmark.value !== null || theForm.elements.id_bookmark.value !== '') &&
+            theForm.elements.id_bookmark.selectedIndex !== 0) {
+        return true;
+    }
+    var result = false;
+    // Checks for "DROP/DELETE/ALTER" statements
+    if (sqlQuery.replace(spaceRegExp, '') !== '') {
+        result = Functions.confirmQuery(theForm, sqlQuery);
+    } else {
+        alert(Messages.strFormEmpty);
+    }
+
+    if (codeMirrorEditor) {
+        codeMirrorEditor.focus();
+    } else if (codeMirrorInlineEditor) {
+        codeMirrorInlineEditor.focus();
+    }
+    return result;
+};
+
+/**
+ * Check if a form's element is empty.
+ * An element containing only spaces is also considered empty
+ *
+ * @param {object} theForm      the form
+ * @param {string} theFieldName the name of the form field to put the focus on
+ *
+ * @return {boolean} whether the form field is empty or not
+ */
+Functions.emptyCheckTheField = function (theForm, theFieldName) {
+    var theField = theForm.elements[theFieldName];
+    var spaceRegExp = new RegExp('\\s+');
+    return theField.value.replace(spaceRegExp, '') === '';
+};
+
+/**
+ * Ensures a value submitted in a form is numeric and is in a range
+ *
+ * @param object   the form
+ * @param string   the name of the form field to check
+ * @param integer  the minimum authorized value
+ * @param integer  the maximum authorized value
+ *
+ * @return boolean  whether a valid number has been submitted or not
+ */
+Functions.checkFormElementInRange = function (theForm, theFieldName, message, minimum, maximum) {
+    var theField         = theForm.elements[theFieldName];
+    var val              = parseInt(theField.value, 10);
+    var min = minimum;
+    var max = maximum;
+
+    if (typeof(min) === 'undefined') {
+        min = 0;
+    }
+    if (typeof(max) === 'undefined') {
+        max = Number.MAX_VALUE;
+    }
+
+    if (isNaN(val)) {
+        theField.select();
+        alert(Messages.strEnterValidNumber);
+        theField.focus();
+        return false;
+    } else if (val < min || val > max) {
+        theField.select();
+        alert(Functions.sprintf(message, val));
+        theField.focus();
+        return false;
+    } else {
+        theField.value = val;
+    }
+    return true;
+};
+
+Functions.checkTableEditForm = function (theForm, fieldsCnt) {
+    // TODO: avoid sending a message if user just wants to add a line
+    // on the form but has not completed at least one field name
+
+    var atLeastOneField = 0;
+    var i;
+    var elm;
+    var elm2;
+    var elm3;
+    var val;
+    var id;
+
+    for (i = 0; i < fieldsCnt; i++) {
+        id = '#field_' + i + '_2';
+        elm = $(id);
+        val = elm.val();
+        if (val === 'VARCHAR' || val === 'CHAR' || val === 'BIT' || val === 'VARBINARY' || val === 'BINARY') {
+            elm2 = $('#field_' + i + '_3');
+            val = parseInt(elm2.val(), 10);
+            elm3 = $('#field_' + i + '_1');
+            if (isNaN(val) && elm3.val() !== '') {
+                elm2.select();
+                alert(Messages.strEnterValidLength);
+                elm2.focus();
+                return false;
+            }
+        }
+
+        if (atLeastOneField === 0) {
+            id = 'field_' + i + '_1';
+            if (!Functions.emptyCheckTheField(theForm, id)) {
+                atLeastOneField = 1;
+            }
+        }
+    }
+    if (atLeastOneField === 0) {
+        var theField = theForm.elements.field_0_1;
+        alert(Messages.strFormEmpty);
+        theField.focus();
+        return false;
+    }
+
+    // at least this section is under jQuery
+    var $input = $('input.textfield[name=\'table\']');
+    if ($input.val() === '') {
+        alert(Messages.strFormEmpty);
+        $input.focus();
+        return false;
+    }
+
+    return true;
+};
+
+/**
+ * True if last click is to check a row.
+ */
+var lastClickChecked = false;
+
+/**
+ * Zero-based index of last clicked row.
+ * Used to handle the shift + click event in the code above.
+ */
+var lastClickedRow = -1;
+
+/**
+ * Zero-based index of last shift clicked row.
+ */
+var lastShiftClickedRow = -1;
+
+var idleSecondsCounter = 0;
+var incInterval;
+var updateTimeout;
+AJAX.registerTeardown('functions.js', function () {
+    clearTimeout(updateTimeout);
+    clearInterval(incInterval);
+    $(document).off('mousemove');
+});
+
+AJAX.registerOnload('functions.js', function () {
+    document.onclick = function () {
+        idleSecondsCounter = 0;
+    };
+    $(document).on('mousemove',function () {
+        idleSecondsCounter = 0;
+    });
+    document.onkeypress = function () {
+        idleSecondsCounter = 0;
+    };
+    function guid () {
+        function s4 () {
+            return Math.floor((1 + Math.random()) * 0x10000)
+                .toString(16)
+                .substring(1);
+        }
+        return s4() + s4() + '-' + s4() + '-' + s4() + '-' +
+            s4() + '-' + s4() + s4() + s4();
+    }
+
+    function SetIdleTime () {
+        idleSecondsCounter++;
+    }
+    function UpdateIdleTime () {
+        var href = 'index.php';
+        var guid = 'default';
+        if (isStorageSupported('sessionStorage')) {
+            guid = window.sessionStorage.guid;
+        }
+        var params = {
+            'ajax_request' : true,
+            'server' : CommonParams.get('server'),
+            'db' : CommonParams.get('db'),
+            'guid': guid,
+            'access_time': idleSecondsCounter,
+            'check_timeout': 1
+        };
+        $.ajax({
+            type: 'POST',
+            url: href,
+            data: params,
+            success: function (data) {
+                if (data.success) {
+                    if (CommonParams.get('LoginCookieValidity') - idleSecondsCounter < 0) {
+                        /* There is other active window, let's reset counter */
+                        idleSecondsCounter = 0;
+                    }
+                    var remaining = Math.min(
+                        /* Remaining login validity */
+                        CommonParams.get('LoginCookieValidity') - idleSecondsCounter,
+                        /* Remaining time till session GC */
+                        CommonParams.get('session_gc_maxlifetime')
+                    );
+                    var interval = 1000;
+                    if (remaining > 5) {
+                        // max value for setInterval() function
+                        interval = Math.min((remaining - 1) * 1000, Math.pow(2, 31) - 1);
+                    }
+                    updateTimeout = window.setTimeout(UpdateIdleTime, interval);
+                } else { // timeout occurred
+                    clearInterval(incInterval);
+                    if (isStorageSupported('sessionStorage')) {
+                        window.sessionStorage.clear();
+                    }
+                    // append the login form on the page, disable all the forms which were not disabled already, close all the open jqueryui modal boxes
+                    if (!$('#modalOverlay').length) {
+                        $('fieldset').not(':disabled').attr('disabled', 'disabled').addClass('disabled_for_expiration');
+                        $('body').append(data.error);
+                        $('.ui-dialog').each(function () {
+                            $('#' + $(this).attr('aria-describedby')).dialog('close');
+                        });
+                        $('#input_username').trigger('focus');
+                    } else {
+                        CommonParams.set('token', data.new_token);
+                        $('input[name=token]').val(data.new_token);
+                    }
+                    idleSecondsCounter = 0;
+                    Functions.handleRedirectAndReload(data);
+                }
+            }
+        });
+    }
+    if (CommonParams.get('logged_in')) {
+        incInterval = window.setInterval(SetIdleTime, 1000);
+        var sessionTimeout = Math.min(
+            CommonParams.get('LoginCookieValidity'),
+            CommonParams.get('session_gc_maxlifetime')
+        );
+        if (isStorageSupported('sessionStorage')) {
+            window.sessionStorage.setItem('guid', guid());
+        }
+        var interval = (sessionTimeout - 5) * 1000;
+        if (interval > Math.pow(2, 31) - 1) { // max value for setInterval() function
+            interval = Math.pow(2, 31) - 1;
+        }
+        updateTimeout = window.setTimeout(UpdateIdleTime, interval);
+    }
+});
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('click', 'input:checkbox.checkall');
+});
+
+AJAX.registerOnload('functions.js', function () {
+    /**
+     * Row marking in horizontal mode (use "on" so that it works also for
+     * next pages reached via AJAX); a tr may have the class noclick to remove
+     * this behavior.
+     */
+
+    $(document).on('click', 'input:checkbox.checkall', function (e) {
+        var $this = $(this);
+        var $tr = $this.closest('tr');
+        var $table = $this.closest('table');
+
+        if (!e.shiftKey || lastClickedRow === -1) {
+            // usual click
+
+            var $checkbox = $tr.find(':checkbox.checkall');
+            var checked = $this.prop('checked');
+            $checkbox.prop('checked', checked).trigger('change');
+            if (checked) {
+                $tr.addClass('marked');
+            } else {
+                $tr.removeClass('marked');
+            }
+            lastClickChecked = checked;
+
+            // remember the last clicked row
+            lastClickedRow = lastClickChecked ? $table.find('tbody tr:not(.noclick)').index($tr) : -1;
+            lastShiftClickedRow = -1;
+        } else {
+            // handle the shift click
+            Functions.clearSelection();
+            var start;
+            var end;
+
+            // clear last shift click result
+            if (lastShiftClickedRow >= 0) {
+                if (lastShiftClickedRow >= lastClickedRow) {
+                    start = lastClickedRow;
+                    end = lastShiftClickedRow;
+                } else {
+                    start = lastShiftClickedRow;
+                    end = lastClickedRow;
+                }
+                $tr.parent().find('tr:not(.noclick)')
+                    .slice(start, end + 1)
+                    .removeClass('marked')
+                    .find(':checkbox')
+                    .prop('checked', false)
+                    .trigger('change');
+            }
+
+            // handle new shift click
+            var currRow = $table.find('tbody tr:not(.noclick)').index($tr);
+            if (currRow >= lastClickedRow) {
+                start = lastClickedRow;
+                end = currRow;
+            } else {
+                start = currRow;
+                end = lastClickedRow;
+            }
+            $tr.parent().find('tr:not(.noclick)')
+                .slice(start, end + 1)
+                .addClass('marked')
+                .find(':checkbox')
+                .prop('checked', true)
+                .trigger('change');
+
+            // remember the last shift clicked row
+            lastShiftClickedRow = currRow;
+        }
+    });
+
+    Functions.addDateTimePicker();
+
+    /**
+     * Add attribute to text boxes for iOS devices (based on bugID: 3508912)
+     */
+    if (navigator.userAgent.match(/(iphone|ipod|ipad)/i)) {
+        $('input[type=text]').attr('autocapitalize', 'off').attr('autocorrect', 'off');
+    }
+});
+
+/**
+  * Checks/unchecks all options of a <select> element
+  *
+  * @param string   the form name
+  * @param string   the element name
+  * @param boolean  whether to check or to uncheck options
+  *
+  * @return boolean  always true
+  */
+Functions.setSelectOptions = function (theForm, theSelect, doCheck) {
+    $('form[name=\'' + theForm + '\'] select[name=\'' + theSelect + '\']').find('option').prop('selected', doCheck);
+    return true;
+};
+
+/**
+ * Sets current value for query box.
+ */
+Functions.setQuery = function (query) {
+    if (codeMirrorEditor) {
+        codeMirrorEditor.setValue(query);
+        codeMirrorEditor.focus();
+    } else if (document.sqlform) {
+        document.sqlform.sql_query.value = query;
+        document.sqlform.sql_query.focus();
+    }
+};
+
+/**
+ * Handles 'Simulate query' button on SQL query box.
+ *
+ * @return void
+ */
+Functions.handleSimulateQueryButton = function () {
+    var updateRegExp = new RegExp('^\\s*UPDATE\\s+((`[^`]+`)|([A-Za-z0-9_$]+))\\s+SET\\s', 'i');
+    var deleteRegExp = new RegExp('^\\s*DELETE\\s+FROM\\s', 'i');
+    var query = '';
+
+    if (codeMirrorEditor) {
+        query = codeMirrorEditor.getValue();
+    } else {
+        query = $('#sqlquery').val();
+    }
+
+    var $simulateDml = $('#simulate_dml');
+    if (updateRegExp.test(query) || deleteRegExp.test(query)) {
+        if (! $simulateDml.length) {
+            $('#button_submit_query')
+                .before('<input type="button" id="simulate_dml"' +
+                'tabindex="199" value="' +
+                Messages.strSimulateDML +
+                '">');
+        }
+    } else {
+        if ($simulateDml.length) {
+            $simulateDml.remove();
+        }
+    }
+};
+
+/**
+  * Create quick sql statements.
+  *
+  */
+Functions.insertQuery = function (queryType) {
+    if (queryType === 'clear') {
+        Functions.setQuery('');
+        return;
+    } else if (queryType === 'format') {
+        if (codeMirrorEditor) {
+            $('#querymessage').html(Messages.strFormatting +
+                '&nbsp;<img class="ajaxIcon" src="' +
+                pmaThemeImage + 'ajax_clock_small.gif" alt="">');
+            var href = 'db_sql_format.php';
+            var params = {
+                'ajax_request': true,
+                'sql': codeMirrorEditor.getValue(),
+                'server': CommonParams.get('server')
+            };
+            $.ajax({
+                type: 'POST',
+                url: href,
+                data: params,
+                success: function (data) {
+                    if (data.success) {
+                        codeMirrorEditor.setValue(data.sql);
+                    }
+                    $('#querymessage').html('');
+                }
+            });
+        }
+        return;
+    } else if (queryType === 'saved') {
+        if (isStorageSupported('localStorage') && typeof window.localStorage.autoSavedSql !== 'undefined') {
+            Functions.setQuery(window.localStorage.autoSavedSql);
+        } else if (Cookies.get('autoSavedSql')) {
+            Functions.setQuery(Cookies.get('autoSavedSql'));
+        } else {
+            Functions.ajaxShowMessage(Messages.strNoAutoSavedQuery);
+        }
+        return;
+    }
+
+    var query = '';
+    var myListBox = document.sqlform.dummy;
+    var table = document.sqlform.table.value;
+
+    if (myListBox.options.length > 0) {
+        sqlBoxLocked = true;
+        var columnsList = '';
+        var valDis = '';
+        var editDis = '';
+        var NbSelect = 0;
+        for (var i = 0; i < myListBox.options.length; i++) {
+            NbSelect++;
+            if (NbSelect > 1) {
+                columnsList += ', ';
+                valDis += ',';
+                editDis += ',';
+            }
+            columnsList += myListBox.options[i].value;
+            valDis += '[value-' + NbSelect + ']';
+            editDis += myListBox.options[i].value + '=[value-' + NbSelect + ']';
+        }
+        if (queryType === 'selectall') {
+            query = 'SELECT * FROM `' + table + '` WHERE 1';
+        } else if (queryType === 'select') {
+            query = 'SELECT ' + columnsList + ' FROM `' + table + '` WHERE 1';
+        } else if (queryType === 'insert') {
+            query = 'INSERT INTO `' + table + '`(' + columnsList + ') VALUES (' + valDis + ')';
+        } else if (queryType === 'update') {
+            query = 'UPDATE `' + table + '` SET ' + editDis + ' WHERE 1';
+        } else if (queryType === 'delete') {
+            query = 'DELETE FROM `' + table + '` WHERE 0';
+        }
+        Functions.setQuery(query);
+        sqlBoxLocked = false;
+    }
+};
+
+/**
+  * Inserts multiple fields.
+  *
+  */
+Functions.insertValueQuery = function () {
+    var myQuery = document.sqlform.sql_query;
+    var myListBox = document.sqlform.dummy;
+
+    if (myListBox.options.length > 0) {
+        sqlBoxLocked = true;
+        var columnsList = '';
+        var NbSelect = 0;
+        for (var i = 0; i < myListBox.options.length; i++) {
+            if (myListBox.options[i].selected) {
+                NbSelect++;
+                if (NbSelect > 1) {
+                    columnsList += ', ';
+                }
+                columnsList += myListBox.options[i].value;
+            }
+        }
+
+        /* CodeMirror support */
+        if (codeMirrorEditor) {
+            codeMirrorEditor.replaceSelection(columnsList);
+            codeMirrorEditor.focus();
+        // IE support
+        } else if (document.selection) {
+            myQuery.focus();
+            var sel = document.selection.createRange();
+            sel.text = columnsList;
+        // MOZILLA/NETSCAPE support
+        } else if (document.sqlform.sql_query.selectionStart || document.sqlform.sql_query.selectionStart === '0') {
+            var startPos = document.sqlform.sql_query.selectionStart;
+            var endPos = document.sqlform.sql_query.selectionEnd;
+            var SqlString = document.sqlform.sql_query.value;
+
+            myQuery.value = SqlString.substring(0, startPos) + columnsList + SqlString.substring(endPos, SqlString.length);
+            myQuery.focus();
+        } else {
+            myQuery.value += columnsList;
+        }
+        sqlBoxLocked = false;
+    }
+};
+
+/**
+ * Updates the input fields for the parameters based on the query
+ */
+Functions.updateQueryParameters = function () {
+    if ($('#parameterized').is(':checked')) {
+        var query = codeMirrorEditor ? codeMirrorEditor.getValue() : $('#sqlquery').val();
+
+        var allParameters = query.match(/:[a-zA-Z0-9_]+/g);
+        var parameters = [];
+        // get unique parameters
+        if (allParameters) {
+            $.each(allParameters, function (i, parameter) {
+                if ($.inArray(parameter, parameters) === -1) {
+                    parameters.push(parameter);
+                }
+            });
+        } else {
+            $('#parametersDiv').text(Messages.strNoParam);
+            return;
+        }
+
+        var $temp = $('<div></div>');
+        $temp.append($('#parametersDiv').children());
+        $('#parametersDiv').empty();
+
+        $.each(parameters, function (i, parameter) {
+            var paramName = parameter.substring(1);
+            var $param = $temp.find('#paramSpan_' + paramName);
+            if (! $param.length) {
+                $param = $('<span class="parameter" id="paramSpan_' + paramName + '"></span>');
+                $('<label for="param_' + paramName + '"></label>').text(parameter).appendTo($param);
+                $('<input type="text" name="parameters[' + parameter + ']" id="param_' + paramName + '">').appendTo($param);
+            }
+            $('#parametersDiv').append($param);
+        });
+    } else {
+        $('#parametersDiv').empty();
+    }
+};
+
+/**
+  * Refresh/resize the WYSIWYG scratchboard
+  */
+Functions.refreshLayout = function () {
+    var $elm = $('#pdflayout');
+    var orientation = $('#orientation_opt').val();
+    var paper = 'A4';
+    var $paperOpt = $('#paper_opt');
+    if ($paperOpt.length === 1) {
+        paper = $paperOpt.val();
+    }
+    var posa = 'y';
+    var posb = 'x';
+    if (orientation === 'P') {
+        posa = 'x';
+        posb = 'y';
+    }
+    $elm.css('width', Functions.pdfPaperSize(paper, posa) + 'px');
+    $elm.css('height', Functions.pdfPaperSize(paper, posb) + 'px');
+};
+
+/**
+ * Initializes positions of elements.
+ */
+Functions.tableDragInit = function () {
+    $('.pdflayout_table').each(function () {
+        var $this = $(this);
+        var number = $this.data('number');
+        var x = $('#c_table_' + number + '_x').val();
+        var y = $('#c_table_' + number + '_y').val();
+        $this.css('left', x + 'px');
+        $this.css('top', y + 'px');
+        /* Make elements draggable */
+        $this.draggable({
+            containment: 'parent',
+            drag: function (evt, ui) {
+                var number = $this.data('number');
+                $('#c_table_' + number + '_x').val(parseInt(ui.position.left, 10));
+                $('#c_table_' + number + '_y').val(parseInt(ui.position.top, 10));
+            }
+        });
+    });
+};
+
+/**
+ * Resets drag and drop positions.
+ */
+Functions.resetDrag = function () {
+    $('.pdflayout_table').each(function () {
+        var $this = $(this);
+        var x = $this.data('x');
+        var y = $this.data('y');
+        $this.css('left', x + 'px');
+        $this.css('top', y + 'px');
+    });
+};
+
+/**
+ * User schema handlers.
+ */
+$(function () {
+    /* Move in scratchboard on manual change */
+    $(document).on('change', '.position-change', function () {
+        var $this = $(this);
+        var $elm = $('#table_' + $this.data('number'));
+        $elm.css($this.data('axis'), $this.val() + 'px');
+    });
+    /* Refresh on paper size/orientation change */
+    $(document).on('change', '.paper-change', function () {
+        var $elm = $('#pdflayout');
+        if ($elm.css('visibility') === 'visible') {
+            Functions.refreshLayout();
+            Functions.tableDragInit();
+        }
+    });
+    /* Show/hide the WYSIWYG scratchboard */
+    $(document).on('click', '#toggle-dragdrop', function () {
+        var $elm = $('#pdflayout');
+        if ($elm.css('visibility') === 'hidden') {
+            Functions.refreshLayout();
+            Functions.tableDragInit();
+            $elm.css('visibility', 'visible');
+            $elm.css('display', 'block');
+            $('#showwysiwyg').val('1');
+        } else {
+            $elm.css('visibility', 'hidden');
+            $elm.css('display', 'none');
+            $('#showwysiwyg').val('0');
+        }
+    });
+    /* Reset scratchboard */
+    $(document).on('click', '#reset-dragdrop', function () {
+        Functions.resetDrag();
+    });
+});
+
+/**
+ * Returns paper sizes for a given format
+ */
+Functions.pdfPaperSize = function (format, axis) {
+    switch (format.toUpperCase()) {
+    case '4A0':
+        if (axis === 'x') {
+            return 4767.87;
+        }
+        return 6740.79;
+    case '2A0':
+        if (axis === 'x') {
+            return 3370.39;
+        }
+        return 4767.87;
+    case 'A0':
+        if (axis === 'x') {
+            return 2383.94;
+        }
+        return 3370.39;
+    case 'A1':
+        if (axis === 'x') {
+            return 1683.78;
+        }
+        return 2383.94;
+    case 'A2':
+        if (axis === 'x') {
+            return 1190.55;
+        }
+        return 1683.78;
+    case 'A3':
+        if (axis === 'x') {
+            return 841.89;
+        }
+        return 1190.55;
+    case 'A4':
+        if (axis === 'x') {
+            return 595.28;
+        }
+        return 841.89;
+    case 'A5':
+        if (axis === 'x') {
+            return 419.53;
+        }
+        return 595.28;
+    case 'A6':
+        if (axis === 'x') {
+            return 297.64;
+        }
+        return 419.53;
+    case 'A7':
+        if (axis === 'x') {
+            return 209.76;
+        }
+        return 297.64;
+    case 'A8':
+        if (axis === 'x') {
+            return 147.40;
+        }
+        return 209.76;
+    case 'A9':
+        if (axis === 'x') {
+            return 104.88;
+        }
+        return 147.40;
+    case 'A10':
+        if (axis === 'x') {
+            return 73.70;
+        }
+        return 104.88;
+    case 'B0':
+        if (axis === 'x') {
+            return 2834.65;
+        }
+        return 4008.19;
+    case 'B1':
+        if (axis === 'x') {
+            return 2004.09;
+        }
+        return 2834.65;
+    case 'B2':
+        if (axis === 'x') {
+            return 1417.32;
+        }
+        return 2004.09;
+    case 'B3':
+        if (axis === 'x') {
+            return 1000.63;
+        }
+        return 1417.32;
+    case 'B4':
+        if (axis === 'x') {
+            return 708.66;
+        }
+        return 1000.63;
+    case 'B5':
+        if (axis === 'x') {
+            return 498.90;
+        }
+        return 708.66;
+    case 'B6':
+        if (axis === 'x') {
+            return 354.33;
+        }
+        return 498.90;
+    case 'B7':
+        if (axis === 'x') {
+            return 249.45;
+        }
+        return 354.33;
+    case 'B8':
+        if (axis === 'x') {
+            return 175.75;
+        }
+        return 249.45;
+    case 'B9':
+        if (axis === 'x') {
+            return 124.72;
+        }
+        return 175.75;
+    case 'B10':
+        if (axis === 'x') {
+            return 87.87;
+        }
+        return 124.72;
+    case 'C0':
+        if (axis === 'x') {
+            return 2599.37;
+        }
+        return 3676.54;
+    case 'C1':
+        if (axis === 'x') {
+            return 1836.85;
+        }
+        return 2599.37;
+    case 'C2':
+        if (axis === 'x') {
+            return 1298.27;
+        }
+        return 1836.85;
+    case 'C3':
+        if (axis === 'x') {
+            return 918.43;
+        }
+        return 1298.27;
+    case 'C4':
+        if (axis === 'x') {
+            return 649.13;
+        }
+        return 918.43;
+    case 'C5':
+        if (axis === 'x') {
+            return 459.21;
+        }
+        return 649.13;
+    case 'C6':
+        if (axis === 'x') {
+            return 323.15;
+        }
+        return 459.21;
+    case 'C7':
+        if (axis === 'x') {
+            return 229.61;
+        }
+        return 323.15;
+    case 'C8':
+        if (axis === 'x') {
+            return 161.57;
+        }
+        return 229.61;
+    case 'C9':
+        if (axis === 'x') {
+            return 113.39;
+        }
+        return 161.57;
+    case 'C10':
+        if (axis === 'x') {
+            return 79.37;
+        }
+        return 113.39;
+    case 'RA0':
+        if (axis === 'x') {
+            return 2437.80;
+        }
+        return 3458.27;
+    case 'RA1':
+        if (axis === 'x') {
+            return 1729.13;
+        }
+        return 2437.80;
+    case 'RA2':
+        if (axis === 'x') {
+            return 1218.90;
+        }
+        return 1729.13;
+    case 'RA3':
+        if (axis === 'x') {
+            return 864.57;
+        }
+        return 1218.90;
+    case 'RA4':
+        if (axis === 'x') {
+            return 609.45;
+        }
+        return 864.57;
+    case 'SRA0':
+        if (axis === 'x') {
+            return 2551.18;
+        }
+        return 3628.35;
+    case 'SRA1':
+        if (axis === 'x') {
+            return 1814.17;
+        }
+        return 2551.18;
+    case 'SRA2':
+        if (axis === 'x') {
+            return 1275.59;
+        }
+        return 1814.17;
+    case 'SRA3':
+        if (axis === 'x') {
+            return 907.09;
+        }
+        return 1275.59;
+    case 'SRA4':
+        if (axis === 'x') {
+            return 637.80;
+        }
+        return 907.09;
+    case 'LETTER':
+        if (axis === 'x') {
+            return 612.00;
+        }
+        return 792.00;
+    case 'LEGAL':
+        if (axis === 'x') {
+            return 612.00;
+        }
+        return 1008.00;
+    case 'EXECUTIVE':
+        if (axis === 'x') {
+            return 521.86;
+        }
+        return 756.00;
+    case 'FOLIO':
+        if (axis === 'x') {
+            return 612.00;
+        }
+        return 936.00;
+    }
+    return 0;
+};
+
+/**
+ * Get checkbox for foreign key checks
+ *
+ * @return string
+ */
+Functions.getForeignKeyCheckboxLoader = function () {
+    var html = '';
+    html    += '<div>';
+    html    += '<div class="load-default-fk-check-value">';
+    html    += Functions.getImage('ajax_clock_small');
+    html    += '</div>';
+    html    += '</div>';
+    return html;
+};
+
+Functions.loadForeignKeyCheckbox = function () {
+    // Load default foreign key check value
+    var params = {
+        'ajax_request': true,
+        'server': CommonParams.get('server'),
+        'get_default_fk_check_value': true
+    };
+    $.get('sql.php', params, function (data) {
+        var html = '<input type="hidden" name="fk_checks" value="0">' +
+            '<input type="checkbox" name="fk_checks" id="fk_checks"' +
+            (data.default_fk_check_value ? ' checked="checked"' : '') + '>' +
+            '<label for="fk_checks">' + Messages.strForeignKeyCheck + '</label>';
+        $('.load-default-fk-check-value').replaceWith(html);
+    });
+};
+
+Functions.getJsConfirmCommonParam = function (elem, parameters) {
+    var $elem = $(elem);
+    var params = parameters;
+    var sep = CommonParams.get('arg_separator');
+    if (params) {
+        // Strip possible leading ?
+        if (params.substring(0,1) === '?') {
+            params = params.substr(1);
+        }
+        params += sep;
+    } else {
+        params = '';
+    }
+    params += 'is_js_confirmed=1' + sep + 'ajax_request=true' + sep + 'fk_checks=' + ($elem.find('#fk_checks').is(':checked') ? 1 : 0);
+    return params;
+};
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('click', 'a.inline_edit_sql');
+    $(document).off('click', 'input#sql_query_edit_save');
+    $(document).off('click', 'input#sql_query_edit_discard');
+    $('input.sqlbutton').off('click');
+    if (codeMirrorEditor) {
+        codeMirrorEditor.off('blur');
+    } else {
+        $(document).off('blur', '#sqlquery');
+    }
+    $(document).off('change', '#parameterized');
+    $(document).off('click', 'input.sqlbutton');
+    $('#sqlquery').off('keydown');
+    $('#sql_query_edit').off('keydown');
+
+    if (codeMirrorInlineEditor) {
+        // Copy the sql query to the text area to preserve it.
+        $('#sql_query_edit').text(codeMirrorInlineEditor.getValue());
+        $(codeMirrorInlineEditor.getWrapperElement()).off('keydown');
+        codeMirrorInlineEditor.toTextArea();
+        codeMirrorInlineEditor = false;
+    }
+    if (codeMirrorEditor) {
+        $(codeMirrorEditor.getWrapperElement()).off('keydown');
+    }
+});
+
+/**
+ * Jquery Coding for inline editing SQL_QUERY
+ */
+AJAX.registerOnload('functions.js', function () {
+    // If we are coming back to the page by clicking forward button
+    // of the browser, bind the code mirror to inline query editor.
+    Functions.bindCodeMirrorToInlineEditor();
+    $(document).on('click', 'a.inline_edit_sql', function () {
+        if ($('#sql_query_edit').length) {
+            // An inline query editor is already open,
+            // we don't want another copy of it
+            return false;
+        }
+
+        var $form = $(this).prev('form');
+        var sqlQuery  = $form.find('input[name=\'sql_query\']').val().trim();
+        var $innerSql = $(this).parent().prev().find('code.sql');
+
+        var newContent = '<textarea name="sql_query_edit" id="sql_query_edit">' + Functions.escapeHtml(sqlQuery) + '</textarea>\n';
+        newContent    += Functions.getForeignKeyCheckboxLoader();
+        newContent    += '<input type="submit" id="sql_query_edit_save" class="btn btn-secondary button btnSave" value="' + Messages.strGo + '">\n';
+        newContent    += '<input type="button" id="sql_query_edit_discard" class="btn btn-secondary button btnDiscard" value="' + Messages.strCancel + '">\n';
+        var $editorArea = $('div#inline_editor');
+        if ($editorArea.length === 0) {
+            $editorArea = $('<div id="inline_editor_outer"></div>');
+            $editorArea.insertBefore($innerSql);
+        }
+        $editorArea.html(newContent);
+        Functions.loadForeignKeyCheckbox();
+        $innerSql.hide();
+
+        Functions.bindCodeMirrorToInlineEditor();
+        return false;
+    });
+
+    $(document).on('click', 'input#sql_query_edit_save', function () {
+        // hide already existing success message
+        var sqlQuery;
+        if (codeMirrorInlineEditor) {
+            codeMirrorInlineEditor.save();
+            sqlQuery = codeMirrorInlineEditor.getValue();
+        } else {
+            sqlQuery = $(this).parent().find('#sql_query_edit').val();
+        }
+        var fkCheck = $(this).parent().find('#fk_checks').is(':checked');
+
+        var $form = $('a.inline_edit_sql').prev('form');
+        var $fakeForm = $('<form>', { action: 'import.php', method: 'post' })
+            .append($form.find('input[name=server], input[name=db], input[name=table], input[name=token]').clone())
+            .append($('<input>', { type: 'hidden', name: 'show_query', value: 1 }))
+            .append($('<input>', { type: 'hidden', name: 'is_js_confirmed', value: 0 }))
+            .append($('<input>', { type: 'hidden', name: 'sql_query', value: sqlQuery }))
+            .append($('<input>', { type: 'hidden', name: 'fk_checks', value: fkCheck ? 1 : 0 }));
+        if (! Functions.checkSqlQuery($fakeForm[0])) {
+            return false;
+        }
+        $('.success').hide();
+        $fakeForm.appendTo($('body')).trigger('submit');
+    });
+
+    $(document).on('click', 'input#sql_query_edit_discard', function () {
+        var $divEditor = $('div#inline_editor_outer');
+        $divEditor.siblings('code.sql').show();
+        $divEditor.remove();
+    });
+
+    $(document).on('click', 'input.sqlbutton', function (evt) {
+        Functions.insertQuery(evt.target.id);
+        Functions.handleSimulateQueryButton();
+        return false;
+    });
+
+    $(document).on('change', '#parameterized', Functions.updateQueryParameters);
+
+    var $inputUsername = $('#input_username');
+    if ($inputUsername) {
+        if ($inputUsername.val() === '') {
+            $inputUsername.trigger('focus');
+        } else {
+            $('#input_password').trigger('focus');
+        }
+    }
+});
+
+/**
+ * "inputRead" event handler for CodeMirror SQL query editors for autocompletion
+ */
+Functions.codeMirrorAutoCompleteOnInputRead = function (instance) {
+    if (!sqlAutoCompleteInProgress
+        && (!instance.options.hintOptions.tables || !sqlAutoComplete)) {
+        if (!sqlAutoComplete) {
+            // Reset after teardown
+            instance.options.hintOptions.tables = false;
+            instance.options.hintOptions.defaultTable = '';
+
+            sqlAutoCompleteInProgress = true;
+
+            var href = 'db_sql_autocomplete.php';
+            var params = {
+                'ajax_request': true,
+                'server': CommonParams.get('server'),
+                'db': CommonParams.get('db'),
+                'no_debug': true
+            };
+
+            var columnHintRender = function (elem, self, data) {
+                $('<div class="autocomplete-column-name">')
+                    .text(data.columnName)
+                    .appendTo(elem);
+                $('<div class="autocomplete-column-hint">')
+                    .text(data.columnHint)
+                    .appendTo(elem);
+            };
+
+            $.ajax({
+                type: 'POST',
+                url: href,
+                data: params,
+                success: function (data) {
+                    if (data.success) {
+                        var tables = JSON.parse(data.tables);
+                        sqlAutoCompleteDefaultTable = CommonParams.get('table');
+                        sqlAutoComplete = [];
+                        for (var table in tables) {
+                            if (tables.hasOwnProperty(table)) {
+                                var columns = tables[table];
+                                table = {
+                                    text: table,
+                                    columns: []
+                                };
+                                for (var column in columns) {
+                                    if (columns.hasOwnProperty(column)) {
+                                        var displayText = columns[column].Type;
+                                        if (columns[column].Key === 'PRI') {
+                                            displayText += ' | Primary';
+                                        } else if (columns[column].Key === 'UNI') {
+                                            displayText += ' | Unique';
+                                        }
+                                        table.columns.push({
+                                            text: column,
+                                            displayText: column + ' | ' +  displayText,
+                                            columnName: column,
+                                            columnHint: displayText,
+                                            render: columnHintRender
+                                        });
+                                    }
+                                }
+                            }
+                            sqlAutoComplete.push(table);
+                        }
+                        instance.options.hintOptions.tables = sqlAutoComplete;
+                        instance.options.hintOptions.defaultTable = sqlAutoCompleteDefaultTable;
+                    }
+                },
+                complete: function () {
+                    sqlAutoCompleteInProgress = false;
+                }
+            });
+        } else {
+            instance.options.hintOptions.tables = sqlAutoComplete;
+            instance.options.hintOptions.defaultTable = sqlAutoCompleteDefaultTable;
+        }
+    }
+    if (instance.state.completionActive) {
+        return;
+    }
+    var cur = instance.getCursor();
+    var token = instance.getTokenAt(cur);
+    var string = '';
+    if (token.string.match(/^[.`\w@]\w*$/)) {
+        string = token.string;
+    }
+    if (string.length > 0) {
+        CodeMirror.commands.autocomplete(instance);
+    }
+};
+
+/**
+ * Remove autocomplete information before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    sqlAutoComplete = false;
+    sqlAutoCompleteDefaultTable = '';
+});
+
+/**
+ * Binds the CodeMirror to the text area used to inline edit a query.
+ */
+Functions.bindCodeMirrorToInlineEditor = function () {
+    var $inlineEditor = $('#sql_query_edit');
+    if ($inlineEditor.length > 0) {
+        if (typeof CodeMirror !== 'undefined') {
+            var height = $inlineEditor.css('height');
+            codeMirrorInlineEditor = Functions.getSqlEditor($inlineEditor);
+            codeMirrorInlineEditor.getWrapperElement().style.height = height;
+            codeMirrorInlineEditor.refresh();
+            codeMirrorInlineEditor.focus();
+            $(codeMirrorInlineEditor.getWrapperElement())
+                .on('keydown', Functions.catchKeypressesFromSqlInlineEdit);
+        } else {
+            $inlineEditor
+                .trigger('focus')
+                .on('keydown', Functions.catchKeypressesFromSqlInlineEdit);
+        }
+    }
+};
+
+Functions.catchKeypressesFromSqlInlineEdit = function (event) {
+    // ctrl-enter is 10 in chrome and ie, but 13 in ff
+    if ((event.ctrlKey || event.metaKey) && (event.keyCode === 13 || event.keyCode === 10)) {
+        $('#sql_query_edit_save').trigger('click');
+    }
+};
+
+/**
+ * Adds doc link to single highlighted SQL element
+ */
+Functions.documentationAdd = function ($elm, params) {
+    if (typeof mysqlDocTemplate === 'undefined') {
+        return;
+    }
+
+    var url = Functions.sprintf(
+        decodeURIComponent(mysqlDocTemplate),
+        params[0]
+    );
+    if (params.length > 1) {
+        url += '#' + params[1];
+    }
+    var content = $elm.text();
+    $elm.text('');
+    $elm.append('<a target="mysql_doc" class="cm-sql-doc" href="' + url + '">' + content + '</a>');
+};
+
+/**
+ * Generates doc links for keywords inside highlighted SQL
+ */
+Functions.documentationKeyword = function (idx, elm) {
+    var $elm = $(elm);
+    /* Skip already processed ones */
+    if ($elm.find('a').length > 0) {
+        return;
+    }
+    var keyword = $elm.text().toUpperCase();
+    var $next = $elm.next('.cm-keyword');
+    if ($next) {
+        var nextKeyword = $next.text().toUpperCase();
+        var full = keyword + ' ' + nextKeyword;
+
+        var $next2 = $next.next('.cm-keyword');
+        if ($next2) {
+            var next2Keyword = $next2.text().toUpperCase();
+            var full2 = full + ' ' + next2Keyword;
+            if (full2 in mysqlDocKeyword) {
+                Functions.documentationAdd($elm, mysqlDocKeyword[full2]);
+                Functions.documentationAdd($next, mysqlDocKeyword[full2]);
+                Functions.documentationAdd($next2, mysqlDocKeyword[full2]);
+                return;
+            }
+        }
+        if (full in mysqlDocKeyword) {
+            Functions.documentationAdd($elm, mysqlDocKeyword[full]);
+            Functions.documentationAdd($next, mysqlDocKeyword[full]);
+            return;
+        }
+    }
+    if (keyword in mysqlDocKeyword) {
+        Functions.documentationAdd($elm, mysqlDocKeyword[keyword]);
+    }
+};
+
+/**
+ * Generates doc links for builtins inside highlighted SQL
+ */
+Functions.documentationBuiltin = function (idx, elm) {
+    var $elm = $(elm);
+    var builtin = $elm.text().toUpperCase();
+    if (builtin in mysqlDocBuiltin) {
+        Functions.documentationAdd($elm, mysqlDocBuiltin[builtin]);
+    }
+};
+
+/**
+ * Higlights SQL using CodeMirror.
+ */
+Functions.highlightSql = function ($base) {
+    var $elm = $base.find('code.sql');
+    $elm.each(function () {
+        var $sql = $(this);
+        var $pre = $sql.find('pre');
+        /* We only care about visible elements to avoid double processing */
+        if ($pre.is(':visible')) {
+            var $highlight = $('<div class="sql-highlight cm-s-default"></div>');
+            $sql.append($highlight);
+            if (typeof CodeMirror !== 'undefined') {
+                CodeMirror.runMode($sql.text(), 'text/x-mysql', $highlight[0]);
+                $pre.hide();
+                $highlight.find('.cm-keyword').each(Functions.documentationKeyword);
+                $highlight.find('.cm-builtin').each(Functions.documentationBuiltin);
+            }
+        }
+    });
+};
+
+/**
+ * Updates an element containing code.
+ *
+ * @param jQuery Object $base base element which contains the raw and the
+ *                            highlighted code.
+ *
+ * @param string htmlValue    code in HTML format, displayed if code cannot be
+ *                            highlighted
+ *
+ * @param string rawValue     raw code, used as a parameter for highlighter
+ *
+ * @return bool               whether content was updated or not
+ */
+Functions.updateCode = function ($base, htmlValue, rawValue) {
+    var $code = $base.find('code');
+    if ($code.length === 0) {
+        return false;
+    }
+
+    // Determines the type of the content and appropriate CodeMirror mode.
+    var type = '';
+    var mode = '';
+    if  ($code.hasClass('json')) {
+        type = 'json';
+        mode = 'application/json';
+    } else if ($code.hasClass('sql')) {
+        type = 'sql';
+        mode = 'text/x-mysql';
+    } else if ($code.hasClass('xml')) {
+        type = 'xml';
+        mode = 'application/xml';
+    } else {
+        return false;
+    }
+
+    // Element used to display unhighlighted code.
+    var $notHighlighted = $('<pre>' + htmlValue + '</pre>');
+
+    // Tries to highlight code using CodeMirror.
+    if (typeof CodeMirror !== 'undefined') {
+        var $highlighted = $('<div class="' + type + '-highlight cm-s-default"></div>');
+        CodeMirror.runMode(rawValue, mode, $highlighted[0]);
+        $notHighlighted.hide();
+        $code.html('').append($notHighlighted, $highlighted[0]);
+    } else {
+        $code.html('').append($notHighlighted);
+    }
+
+    return true;
+};
+
+/**
+ * Show a message on the top of the page for an Ajax request
+ *
+ * Sample usage:
+ *
+ * 1) var $msg = Functions.ajaxShowMessage();
+ * This will show a message that reads "Loading...". Such a message will not
+ * disappear automatically and cannot be dismissed by the user. To remove this
+ * message either the Functions.ajaxRemoveMessage($msg) function must be called or
+ * another message must be show with Functions.ajaxShowMessage() function.
+ *
+ * 2) var $msg = Functions.ajaxShowMessage(Messages.strProcessingRequest);
+ * This is a special case. The behaviour is same as above,
+ * just with a different message
+ *
+ * 3) var $msg = Functions.ajaxShowMessage('The operation was successful');
+ * This will show a message that will disappear automatically and it can also
+ * be dismissed by the user.
+ *
+ * 4) var $msg = Functions.ajaxShowMessage('Some error', false);
+ * This will show a message that will not disappear automatically, but it
+ * can be dismissed by the user after he has finished reading it.
+ *
+ * @param string  message     string containing the message to be shown.
+ *                              optional, defaults to 'Loading...'
+ * @param mixed   timeout     number of milliseconds for the message to be visible
+ *                              optional, defaults to 5000. If set to 'false', the
+ *                              notification will never disappear
+ * @param string  type        string to dictate the type of message shown.
+ *                              optional, defaults to normal notification.
+ *                              If set to 'error', the notification will show message
+ *                              with red background.
+ *                              If set to 'success', the notification will show with
+ *                              a green background.
+ * @return jQuery object       jQuery Element that holds the message div
+ *                              this object can be passed to Functions.ajaxRemoveMessage()
+ *                              to remove the notification
+ */
+Functions.ajaxShowMessage = function (message, timeout, type) {
+    var msg = message;
+    var newTimeOut = timeout;
+    /**
+     * @var self_closing Whether the notification will automatically disappear
+     */
+    var selfClosing = true;
+    /**
+     * @var dismissable Whether the user will be able to remove
+     *                  the notification by clicking on it
+     */
+    var dismissable = true;
+    // Handle the case when a empty data.message is passed.
+    // We don't want the empty message
+    if (msg === '') {
+        return true;
+    } else if (! msg) {
+        // If the message is undefined, show the default
+        msg = Messages.strLoading;
+        dismissable = false;
+        selfClosing = false;
+    } else if (msg === Messages.strProcessingRequest) {
+        // This is another case where the message should not disappear
+        dismissable = false;
+        selfClosing = false;
+    }
+    // Figure out whether (or after how long) to remove the notification
+    if (newTimeOut === undefined) {
+        newTimeOut = 5000;
+    } else if (newTimeOut === false) {
+        selfClosing = false;
+    }
+    // Determine type of message, add styling as required
+    if (type === 'error') {
+        msg = '<div class="error">' + msg + '</div>';
+    } else if (type === 'success') {
+        msg = '<div class="success">' + msg + '</div>';
+    }
+    // Create a parent element for the AJAX messages, if necessary
+    if ($('#loading_parent').length === 0) {
+        $('<div id="loading_parent"></div>')
+            .prependTo('#page_content');
+    }
+    // Update message count to create distinct message elements every time
+    ajaxMessageCount++;
+    // Remove all old messages, if any
+    $('span.ajax_notification[id^=ajax_message_num]').remove();
+    /**
+     * @var    $retval    a jQuery object containing the reference
+     *                    to the created AJAX message
+     */
+    var $retval = $(
+        '<span class="ajax_notification" id="ajax_message_num_' +
+            ajaxMessageCount +
+            '"></span>'
+    )
+        .hide()
+        .appendTo('#loading_parent')
+        .html(msg)
+        .show();
+    // If the notification is self-closing we should create a callback to remove it
+    if (selfClosing) {
+        $retval
+            .delay(newTimeOut)
+            .fadeOut('medium', function () {
+                if ($(this).is(':data(tooltip)')) {
+                    $(this).tooltip('destroy');
+                }
+                // Remove the notification
+                $(this).remove();
+            });
+    }
+    // If the notification is dismissable we need to add the relevant class to it
+    // and add a tooltip so that the users know that it can be removed
+    if (dismissable) {
+        $retval.addClass('dismissable').css('cursor', 'pointer');
+        /**
+         * Add a tooltip to the notification to let the user know that (s)he
+         * can dismiss the ajax notification by clicking on it.
+         */
+        Functions.tooltip(
+            $retval,
+            'span',
+            Messages.strDismiss
+        );
+    }
+    Functions.highlightSql($retval);
+
+    return $retval;
+};
+
+/**
+ * Removes the message shown for an Ajax operation when it's completed
+ *
+ * @param jQuery object   jQuery Element that holds the notification
+ *
+ * @return nothing
+ */
+Functions.ajaxRemoveMessage = function ($thisMessageBox) {
+    if ($thisMessageBox !== undefined && $thisMessageBox instanceof jQuery) {
+        $thisMessageBox
+            .stop(true, true)
+            .fadeOut('medium');
+        if ($thisMessageBox.is(':data(tooltip)')) {
+            $thisMessageBox.tooltip('destroy');
+        } else {
+            $thisMessageBox.remove();
+        }
+    }
+};
+
+/**
+ * Requests SQL for previewing before executing.
+ *
+ * @param jQuery Object $form Form containing query data
+ *
+ * @return void
+ */
+Functions.previewSql = function ($form) {
+    var formUrl = $form.attr('action');
+    var sep = CommonParams.get('arg_separator');
+    var formData = $form.serialize() +
+        sep + 'do_save_data=1' +
+        sep + 'preview_sql=1' +
+        sep + 'ajax_request=1';
+    var $messageBox = Functions.ajaxShowMessage();
+    $.ajax({
+        type: 'POST',
+        url: formUrl,
+        data: formData,
+        success: function (response) {
+            Functions.ajaxRemoveMessage($messageBox);
+            if (response.success) {
+                var $dialogContent = $('<div></div>')
+                    .append(response.sql_data);
+                var buttonOptions = {};
+                buttonOptions[Messages.strClose] = function () {
+                    $(this).dialog('close');
+                };
+                $dialogContent.dialog({
+                    minWidth: 550,
+                    maxHeight: 400,
+                    modal: true,
+                    buttons: buttonOptions,
+                    title: Messages.strPreviewSQL,
+                    close: function () {
+                        $(this).remove();
+                    },
+                    open: function () {
+                        // Pretty SQL printing.
+                        Functions.highlightSql($(this));
+                    }
+                });
+            } else {
+                Functions.ajaxShowMessage(response.message);
+            }
+        },
+        error: function () {
+            Functions.ajaxShowMessage(Messages.strErrorProcessingRequest);
+        }
+    });
+};
+
+/**
+ * Callback called when submit/"OK" is clicked on sql preview/confirm modal
+ *
+ * @callback onSubmitCallback
+ * @param {string} url The url
+ */
+
+/**
+ *
+ * @param {string}           sqlData  Sql query to preview
+ * @param {string}           url       Url to be sent to callback
+ * @param {onSubmitCallback} callback  On submit callback function
+ *
+ * @return void
+ */
+Functions.confirmPreviewSql = function (sqlData, url, callback) {
+    var $dialogContent = $('<div class="preview_sql"><code class="sql"><pre>'
+        + sqlData
+        + '</pre></code></div>'
+    );
+    var buttonOptions = [
+        {
+            text: Messages.strOK,
+            class: 'submitOK',
+            click: function () {
+                callback(url);
+            }
+        },
+        {
+            text: Messages.strCancel,
+            class: 'submitCancel',
+            click: function () {
+                $(this).dialog('close');
+            }
+        }
+    ];
+    $dialogContent.dialog({
+        minWidth: 550,
+        maxHeight: 400,
+        modal: true,
+        buttons: buttonOptions,
+        title: Messages.strPreviewSQL,
+        close: function () {
+            $(this).remove();
+        },
+        open: function () {
+            // Pretty SQL printing.
+            Functions.highlightSql($(this));
+        }
+    });
+};
+
+/**
+ * check for reserved keyword column name
+ *
+ * @param jQuery Object $form Form
+ *
+ * @returns true|false
+ */
+Functions.checkReservedWordColumns = function ($form) {
+    var isConfirmed = true;
+    $.ajax({
+        type: 'POST',
+        url: 'tbl_structure.php',
+        data: $form.serialize() + CommonParams.get('arg_separator') + 'reserved_word_check=1',
+        success: function (data) {
+            if (typeof data.success !== 'undefined' && data.success === true) {
+                isConfirmed = confirm(data.message);
+            }
+        },
+        async:false
+    });
+    return isConfirmed;
+};
+
+// This event only need to be fired once after the initial page load
+$(function () {
+    /**
+     * Allows the user to dismiss a notification
+     * created with Functions.ajaxShowMessage()
+     */
+    $(document).on('click', 'span.ajax_notification.dismissable', function () {
+        Functions.ajaxRemoveMessage($(this));
+    });
+    /**
+     * The below two functions hide the "Dismiss notification" tooltip when a user
+     * is hovering a link or button that is inside an ajax message
+     */
+    $(document).on('mouseover', 'span.ajax_notification a, span.ajax_notification button, span.ajax_notification input', function () {
+        if ($(this).parents('span.ajax_notification').is(':data(tooltip)')) {
+            $(this).parents('span.ajax_notification').tooltip('disable');
+        }
+    });
+    $(document).on('mouseout', 'span.ajax_notification a, span.ajax_notification button, span.ajax_notification input', function () {
+        if ($(this).parents('span.ajax_notification').is(':data(tooltip)')) {
+            $(this).parents('span.ajax_notification').tooltip('enable');
+        }
+    });
+
+    /**
+     * Copy text to clipboard
+     *
+     * @param text to copy to clipboard
+     *
+     * @returns bool true|false
+     */
+    function copyToClipboard (text) {
+        var $temp = $('<input>');
+        $temp.css({ 'position': 'fixed', 'width': '2em', 'border': 0, 'top': 0, 'left': 0, 'padding': 0, 'background': 'transparent' });
+        $('body').append($temp);
+        $temp.val(text).trigger('select');
+        try {
+            var res = document.execCommand('copy');
+            $temp.remove();
+            return res;
+        } catch (e) {
+            $temp.remove();
+            return false;
+        }
+    }
+
+    $(document).on('click', 'a.copyQueryBtn', function (event) {
+        event.preventDefault();
+        var res = copyToClipboard($(this).attr('data-text'));
+        if (res) {
+            $(this).after('<span id=\'copyStatus\'> (' + Messages.strCopyQueryButtonSuccess + ')</span>');
+        } else {
+            $(this).after('<span id=\'copyStatus\'> (' + Messages.strCopyQueryButtonFailure + ')</span>');
+        }
+        setTimeout(function () {
+            $('#copyStatus').remove();
+        }, 2000);
+    });
+});
+
+/**
+ * Hides/shows the "Open in ENUM/SET editor" message, depending on the data type of the column currently selected
+ */
+Functions.showNoticeForEnum = function (selectElement) {
+    var enumNoticeId = selectElement.attr('id').split('_')[1];
+    enumNoticeId += '_' + (parseInt(selectElement.attr('id').split('_')[2], 10) + 1);
+    var selectedType = selectElement.val();
+    if (selectedType === 'ENUM' || selectedType === 'SET') {
+        $('p#enum_notice_' + enumNoticeId).show();
+    } else {
+        $('p#enum_notice_' + enumNoticeId).hide();
+    }
+};
+
+/**
+ * Creates a Profiling Chart. Used in sql.js
+ * and in server/status/monitor.js
+ */
+Functions.createProfilingChart = function (target, data) {
+    // create the chart
+    var factory = new JQPlotChartFactory();
+    var chart = factory.createChart(ChartType.PIE, target);
+
+    // create the data table and add columns
+    var dataTable = new DataTable();
+    dataTable.addColumn(ColumnType.STRING, '');
+    dataTable.addColumn(ColumnType.NUMBER, '');
+    dataTable.setData(data);
+
+    var windowWidth = $(window).width();
+    var location = 's';
+    if (windowWidth > 768) {
+        location = 'se';
+    }
+
+    // draw the chart and return the chart object
+    chart.draw(dataTable, {
+        seriesDefaults: {
+            rendererOptions: {
+                showDataLabels:  true
+            }
+        },
+        highlighter: {
+            tooltipLocation: 'se',
+            sizeAdjust: 0,
+            tooltipAxes: 'pieref',
+            formatString: '%s, %.9Ps'
+        },
+        legend: {
+            show: true,
+            location: location,
+            rendererOptions: {
+                numberColumns: 2
+            }
+        },
+        // from http://tango.freedesktop.org/Tango_Icon_Theme_Guidelines#Color_Palette
+        seriesColors: [
+            '#fce94f',
+            '#fcaf3e',
+            '#e9b96e',
+            '#8ae234',
+            '#729fcf',
+            '#ad7fa8',
+            '#ef2929',
+            '#888a85',
+            '#c4a000',
+            '#ce5c00',
+            '#8f5902',
+            '#4e9a06',
+            '#204a87',
+            '#5c3566',
+            '#a40000',
+            '#babdb6',
+            '#2e3436'
+        ]
+    });
+    return chart;
+};
+
+/**
+ * Formats a profiling duration nicely (in us and ms time).
+ * Used in server/status/monitor.js
+ *
+ * @param  integer    Number to be formatted, should be in the range of microsecond to second
+ * @param  integer    Accuracy, how many numbers right to the comma should be
+ * @return string     The formatted number
+ */
+Functions.prettyProfilingNum = function (number, accuracy) {
+    var num = number;
+    var acc = accuracy;
+    if (!acc) {
+        acc = 2;
+    }
+    acc = Math.pow(10, acc);
+    if (num * 1000 < 0.1) {
+        num = Math.round(acc * (num * 1000 * 1000)) / acc + 'µ';
+    } else if (num < 0.1) {
+        num = Math.round(acc * (num * 1000)) / acc + 'm';
+    } else {
+        num = Math.round(acc * num) / acc;
+    }
+
+    return num + 's';
+};
+
+/**
+ * Formats a SQL Query nicely with newlines and indentation. Depends on Codemirror and MySQL Mode!
+ *
+ * @param string      Query to be formatted
+ * @return string      The formatted query
+ */
+Functions.sqlPrettyPrint = function (string) {
+    if (typeof CodeMirror === 'undefined') {
+        return string;
+    }
+
+    var mode = CodeMirror.getMode({}, 'text/x-mysql');
+    var stream = new CodeMirror.StringStream(string);
+    var state = mode.startState();
+    var token;
+    var tokens = [];
+    var output = '';
+    var tabs = function (cnt) {
+        var ret = '';
+        for (var i = 0; i < 4 * cnt; i++) {
+            ret += ' ';
+        }
+        return ret;
+    };
+
+    // "root-level" statements
+    var statements = {
+        'select': ['select', 'from', 'on', 'where', 'having', 'limit', 'order by', 'group by'],
+        'update': ['update', 'set', 'where'],
+        'insert into': ['insert into', 'values']
+    };
+    // don't put spaces before these tokens
+    var spaceExceptionsBefore = { ';': true, ',': true, '.': true, '(': true };
+    // don't put spaces after these tokens
+    var spaceExceptionsAfter = { '.': true };
+
+    // Populate tokens array
+    while (! stream.eol()) {
+        stream.start = stream.pos;
+        token = mode.token(stream, state);
+        if (token !== null) {
+            tokens.push([token, stream.current().toLowerCase()]);
+        }
+    }
+
+    var currentStatement = tokens[0][1];
+
+    if (! statements[currentStatement]) {
+        return string;
+    }
+    // Holds all currently opened code blocks (statement, function or generic)
+    var blockStack = [];
+    // If a new code block is found, newBlock contains its type for one iteration and vice versa for endBlock
+    var newBlock;
+    var endBlock;
+    // How much to indent in the current line
+    var indentLevel = 0;
+    // Holds the "root-level" statements
+    var statementPart;
+    var lastStatementPart = statements[currentStatement][0];
+
+    blockStack.unshift('statement');
+
+    // Iterate through every token and format accordingly
+    for (var i = 0; i < tokens.length; i++) {
+        // New block => push to stack
+        if (tokens[i][1] === '(') {
+            if (i < tokens.length - 1 && tokens[i + 1][0] === 'statement-verb') {
+                blockStack.unshift(newBlock = 'statement');
+            } else if (i > 0 && tokens[i - 1][0] === 'builtin') {
+                blockStack.unshift(newBlock = 'function');
+            } else {
+                blockStack.unshift(newBlock = 'generic');
+            }
+        } else {
+            newBlock = null;
+        }
+
+        // Block end => pop from stack
+        if (tokens[i][1] === ')') {
+            endBlock = blockStack[0];
+            blockStack.shift();
+        } else {
+            endBlock = null;
+        }
+
+        // A subquery is starting
+        if (i > 0 && newBlock === 'statement') {
+            indentLevel++;
+            output += '\n' + tabs(indentLevel) + tokens[i][1] + ' ' + tokens[i + 1][1].toUpperCase() + '\n' + tabs(indentLevel + 1);
+            currentStatement = tokens[i + 1][1];
+            i++;
+            continue;
+        }
+
+        // A subquery is ending
+        if (endBlock === 'statement' && indentLevel > 0) {
+            output += '\n' + tabs(indentLevel);
+            indentLevel--;
+        }
+
+        // One less indentation for statement parts (from, where, order by, etc.) and a newline
+        statementPart = statements[currentStatement].indexOf(tokens[i][1]);
+        if (statementPart !== -1) {
+            if (i > 0) {
+                output += '\n';
+            }
+            output += tabs(indentLevel) + tokens[i][1].toUpperCase();
+            output += '\n' + tabs(indentLevel + 1);
+            lastStatementPart = tokens[i][1];
+        // Normal indentation and spaces for everything else
+        } else {
+            if (! spaceExceptionsBefore[tokens[i][1]] &&
+               ! (i > 0 && spaceExceptionsAfter[tokens[i - 1][1]]) &&
+               output.charAt(output.length - 1) !== ' ') {
+                output += ' ';
+            }
+            if (tokens[i][0] === 'keyword') {
+                output += tokens[i][1].toUpperCase();
+            } else {
+                output += tokens[i][1];
+            }
+        }
+
+        // split columns in select and 'update set' clauses, but only inside statements blocks
+        if ((lastStatementPart === 'select' || lastStatementPart === 'where'  || lastStatementPart === 'set') &&
+            tokens[i][1] === ',' && blockStack[0] === 'statement') {
+            output += '\n' + tabs(indentLevel + 1);
+        }
+
+        // split conditions in where clauses, but only inside statements blocks
+        if (lastStatementPart === 'where' &&
+            (tokens[i][1] === 'and' || tokens[i][1] === 'or' || tokens[i][1] === 'xor')) {
+            if (blockStack[0] === 'statement') {
+                output += '\n' + tabs(indentLevel + 1);
+            }
+            // Todo: Also split and or blocks in newlines & indentation++
+            // if (blockStack[0] === 'generic')
+            //   output += ...
+        }
+    }
+    return output;
+};
+
+/**
+ * jQuery function that uses jQueryUI's dialogs to confirm with user. Does not
+ *  return a jQuery object yet and hence cannot be chained
+ *
+ * @param string      question
+ * @param string      url           URL to be passed to the callbackFn to make
+ *                                  an Ajax call to
+ * @param function    callbackFn    callback to execute after user clicks on OK
+ * @param function    openCallback  optional callback to run when dialog is shown
+ */
+Functions.confirm = function (question, url, callbackFn, openCallback) {
+    var confirmState = CommonParams.get('confirm');
+    if (! confirmState) {
+        // user does not want to confirm
+        if (typeof callbackFn === 'function') {
+            callbackFn.call(this, url);
+            return true;
+        }
+    }
+    if (Messages.strDoYouReally === '') {
+        return true;
+    }
+
+    /**
+     * @var    button_options  Object that stores the options passed to jQueryUI
+     *                          dialog
+     */
+    var buttonOptions = [
+        {
+            text: Messages.strOK,
+            'class': 'submitOK',
+            click: function () {
+                $(this).dialog('close');
+                if (typeof callbackFn === 'function') {
+                    callbackFn.call(this, url);
+                }
+            }
+        },
+        {
+            text: Messages.strCancel,
+            'class': 'submitCancel',
+            click: function () {
+                $(this).dialog('close');
+            }
+        }
+    ];
+
+    $('<div></div>', { 'id': 'confirm_dialog', 'title': Messages.strConfirm })
+        .prepend(question)
+        .dialog({
+            buttons: buttonOptions,
+            close: function () {
+                $(this).remove();
+            },
+            open: openCallback,
+            modal: true
+        });
+};
+jQuery.fn.confirm = Functions.confirm;
+
+/**
+ * jQuery function to sort a table's body after a new row has been appended to it.
+ *
+ * @param string      text_selector   string to select the sortKey's text
+ *
+ * @return jQuery Object for chaining purposes
+ */
+Functions.sortTable = function (textSelector) {
+    return this.each(function () {
+        /**
+         * @var table_body  Object referring to the table's <tbody> element
+         */
+        var tableBody = $(this);
+        /**
+         * @var rows    Object referring to the collection of rows in {@link tableBody}
+         */
+        var rows = $(this).find('tr').get();
+
+        // get the text of the field that we will sort by
+        $.each(rows, function (index, row) {
+            row.sortKey = $.trim($(row).find(textSelector).text().toLowerCase());
+        });
+
+        // get the sorted order
+        rows.sort(function (a, b) {
+            if (a.sortKey < b.sortKey) {
+                return -1;
+            }
+            if (a.sortKey > b.sortKey) {
+                return 1;
+            }
+            return 0;
+        });
+
+        // pull out each row from the table and then append it according to it's order
+        $.each(rows, function (index, row) {
+            $(tableBody).append(row);
+            row.sortKey = null;
+        });
+    });
+};
+jQuery.fn.sortTable = Functions.sortTable;
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('submit', '#create_table_form_minimal.ajax');
+    $(document).off('submit', 'form.create_table_form.ajax');
+    $(document).off('click', 'form.create_table_form.ajax input[name=submit_num_fields]');
+    $(document).off('keyup', 'form.create_table_form.ajax input');
+    $(document).off('change', 'input[name=partition_count],input[name=subpartition_count],select[name=partition_by]');
+});
+
+/**
+ * jQuery coding for 'Create Table'.  Used on db_operations.php,
+ * db_structure.php and db_tracking.php (i.e., wherever
+ * PhpMyAdmin\Display\CreateTable is used)
+ *
+ * Attach Ajax Event handlers for Create Table
+ */
+AJAX.registerOnload('functions.js', function () {
+    /**
+     * Attach event handler for submission of create table form (save)
+     */
+    $(document).on('submit', 'form.create_table_form.ajax', function (event) {
+        event.preventDefault();
+
+        /**
+         * @var    the_form    object referring to the create table form
+         */
+        var $form = $(this);
+
+        /*
+         * First validate the form; if there is a problem, avoid submitting it
+         *
+         * Functions.checkTableEditForm() needs a pure element and not a jQuery object,
+         * this is why we pass $form[0] as a parameter (the jQuery object
+         * is actually an array of DOM elements)
+         */
+
+        if (Functions.checkTableEditForm($form[0], $form.find('input[name=orig_num_fields]').val())) {
+            Functions.prepareForAjaxRequest($form);
+            if (Functions.checkReservedWordColumns($form)) {
+                Functions.ajaxShowMessage(Messages.strProcessingRequest);
+                // User wants to submit the form
+                $.post($form.attr('action'), $form.serialize() + CommonParams.get('arg_separator') + 'do_save_data=1', function (data) {
+                    if (typeof data !== 'undefined' && data.success === true) {
+                        $('#properties_message')
+                            .removeClass('error')
+                            .html('');
+                        Functions.ajaxShowMessage(data.message);
+                        // Only if the create table dialog (distinct panel) exists
+                        var $createTableDialog = $('#create_table_dialog');
+                        if ($createTableDialog.length > 0) {
+                            $createTableDialog.dialog('close').remove();
+                        }
+                        $('#tableslistcontainer').before(data.formatted_sql);
+
+                        /**
+                         * @var tables_table    Object referring to the <tbody> element that holds the list of tables
+                         */
+                        var tablesTable = $('#tablesForm').find('tbody').not('#tbl_summary_row');
+                        // this is the first table created in this db
+                        if (tablesTable.length === 0) {
+                            CommonActions.refreshMain(
+                                CommonParams.get('opendb_url')
+                            );
+                        } else {
+                            /**
+                             * @var curr_last_row   Object referring to the last <tr> element in {@link tablesTable}
+                             */
+                            var currLastRow = $(tablesTable).find('tr:last');
+                            /**
+                             * @var curr_last_row_index_string   String containing the index of {@link currLastRow}
+                             */
+                            var currLastRowIndexString = $(currLastRow).find('input:checkbox').attr('id').match(/\d+/)[0];
+                            /**
+                             * @var curr_last_row_index Index of {@link currLastRow}
+                             */
+                            var currLastRowIndex = parseFloat(currLastRowIndexString);
+                            /**
+                             * @var new_last_row_index   Index of the new row to be appended to {@link tablesTable}
+                             */
+                            var newLastRowIndex = currLastRowIndex + 1;
+                            /**
+                             * @var new_last_row_id String containing the id of the row to be appended to {@link tablesTable}
+                             */
+                            var newLastRowId = 'checkbox_tbl_' + newLastRowIndex;
+
+                            data.newTableString = data.newTableString.replace(/checkbox_tbl_/, newLastRowId);
+                            // append to table
+                            $(data.newTableString)
+                                .appendTo(tablesTable);
+
+                            // Sort the table
+                            $(tablesTable).sortTable('th');
+
+                            // Adjust summary row
+                            DatabaseStructure.adjustTotals();
+                        }
+
+                        // Refresh navigation as a new table has been added
+                        Navigation.reload();
+                        // Redirect to table structure page on creation of new table
+                        var argsep = CommonParams.get('arg_separator');
+                        var params12 = 'ajax_request=true' + argsep + 'ajax_page_request=true';
+                        if (! (history && history.pushState)) {
+                            params12 += MicroHistory.menus.getRequestParam();
+                        }
+                        var tableStructureUrl = 'tbl_structure.php?server=' + data.params.server +
+                            argsep + 'db=' + data.params.db + argsep + 'token=' + data.params.token +
+                            argsep + 'goto=db_structure.php' + argsep + 'table=' + data.params.table + '';
+                        $.get(tableStructureUrl, params12, AJAX.responseHandler);
+                    } else {
+                        Functions.ajaxShowMessage(
+                            '<div class="error">' + data.error + '</div>',
+                            false
+                        );
+                    }
+                }); // end $.post()
+            }
+        }
+    }); // end create table form (save)
+
+    /**
+     * Submits the intermediate changes in the table creation form
+     * to refresh the UI accordingly
+     */
+    function submitChangesInCreateTableForm (actionParam) {
+        /**
+         * @var    the_form    object referring to the create table form
+         */
+        var $form = $('form.create_table_form.ajax');
+
+        var $msgbox = Functions.ajaxShowMessage(Messages.strProcessingRequest);
+        Functions.prepareForAjaxRequest($form);
+
+        // User wants to add more fields to the table
+        $.post($form.attr('action'), $form.serialize() + '&' + actionParam, function (data) {
+            if (typeof data !== 'undefined' && data.success) {
+                var $pageContent = $('#page_content');
+                $pageContent.html(data.message);
+                Functions.highlightSql($pageContent);
+                Functions.verifyColumnsProperties();
+                Functions.hideShowConnection($('.create_table_form select[name=tbl_storage_engine]'));
+                Functions.ajaxRemoveMessage($msgbox);
+            } else {
+                Functions.ajaxShowMessage(data.error);
+            }
+        }); // end $.post()
+    }
+
+    /**
+     * Attach event handler for create table form (add fields)
+     */
+    $(document).on('click', 'form.create_table_form.ajax input[name=submit_num_fields]', function (event) {
+        event.preventDefault();
+        submitChangesInCreateTableForm('submit_num_fields=1');
+    }); // end create table form (add fields)
+
+    $(document).on('keydown', 'form.create_table_form.ajax input[name=added_fields]', function (event) {
+        if (event.keyCode === 13) {
+            event.preventDefault();
+            event.stopImmediatePropagation();
+            $(this)
+                .closest('form')
+                .find('input[name=submit_num_fields]')
+                .trigger('click');
+        }
+    });
+
+    /**
+     * Attach event handler to manage changes in number of partitions and subpartitions
+     */
+    $(document).on('change', 'input[name=partition_count],input[name=subpartition_count],select[name=partition_by]', function () {
+        var $this = $(this);
+        var $form = $this.parents('form');
+        if ($form.is('.create_table_form.ajax')) {
+            submitChangesInCreateTableForm('submit_partition_change=1');
+        } else {
+            $form.submit();
+        }
+    });
+
+    $(document).on('change', 'input[value=AUTO_INCREMENT]', function () {
+        if (this.checked) {
+            var col = /\d/.exec($(this).attr('name'));
+            col = col[0];
+            var $selectFieldKey = $('select[name="field_key[' + col + ']"]');
+            if ($selectFieldKey.val() === 'none_' + col) {
+                $selectFieldKey.val('primary_' + col).trigger('change', [false]);
+            }
+        }
+    });
+    $('body')
+        .off('click', 'input.preview_sql')
+        .on('click', 'input.preview_sql', function () {
+            var $form = $(this).closest('form');
+            Functions.previewSql($form);
+        });
+});
+
+
+/**
+ * Validates the password field in a form
+ *
+ * @see    Messages.strPasswordEmpty
+ * @see    Messages.strPasswordNotSame
+ * @param  object $the_form The form to be validated
+ * @return bool
+ */
+Functions.checkPassword = function ($theForm) {
+    // Did the user select 'no password'?
+    if ($theForm.find('#nopass_1').is(':checked')) {
+        return true;
+    } else {
+        var $pred = $theForm.find('#select_pred_password');
+        if ($pred.length && ($pred.val() === 'none' || $pred.val() === 'keep')) {
+            return true;
+        }
+    }
+
+    var $password = $theForm.find('input[name=pma_pw]');
+    var $passwordRepeat = $theForm.find('input[name=pma_pw2]');
+    var alertMessage = false;
+
+    if ($password.val() === '') {
+        alertMessage = Messages.strPasswordEmpty;
+    } else if ($password.val() !== $passwordRepeat.val()) {
+        alertMessage = Messages.strPasswordNotSame;
+    }
+
+    if (alertMessage) {
+        alert(alertMessage);
+        $password.val('');
+        $passwordRepeat.val('');
+        $password.trigger('focus');
+        return false;
+    }
+    return true;
+};
+
+/**
+ * Attach Ajax event handlers for 'Change Password' on index.php
+ */
+AJAX.registerOnload('functions.js', function () {
+    /* Handler for hostname type */
+    $(document).on('change', '#select_pred_hostname', function () {
+        var hostname = $('#pma_hostname');
+        if (this.value === 'any') {
+            hostname.val('%');
+        } else if (this.value === 'localhost') {
+            hostname.val('localhost');
+        } else if (this.value === 'thishost' && $(this).data('thishost')) {
+            hostname.val($(this).data('thishost'));
+        } else if (this.value === 'hosttable') {
+            hostname.val('').prop('required', false);
+        } else if (this.value === 'userdefined') {
+            hostname.trigger('focus').select().prop('required', true);
+        }
+    });
+
+    /* Handler for editing hostname */
+    $(document).on('change', '#pma_hostname', function () {
+        $('#select_pred_hostname').val('userdefined');
+        $('#pma_hostname').prop('required', true);
+    });
+
+    /* Handler for username type */
+    $(document).on('change', '#select_pred_username', function () {
+        if (this.value === 'any') {
+            $('#pma_username').val('').prop('required', false);
+            $('#user_exists_warning').css('display', 'none');
+        } else if (this.value === 'userdefined') {
+            $('#pma_username').trigger('focus').select().prop('required', true);
+        }
+    });
+
+    /* Handler for editing username */
+    $(document).on('change', '#pma_username', function () {
+        $('#select_pred_username').val('userdefined');
+        $('#pma_username').prop('required', true);
+    });
+
+    /* Handler for password type */
+    $(document).on('change', '#select_pred_password', function () {
+        if (this.value === 'none') {
+            $('#text_pma_pw2').prop('required', false).val('');
+            $('#text_pma_pw').prop('required', false).val('');
+        } else if (this.value === 'userdefined') {
+            $('#text_pma_pw2').prop('required', true);
+            $('#text_pma_pw').prop('required', true).trigger('focus').select();
+        } else {
+            $('#text_pma_pw2').prop('required', false);
+            $('#text_pma_pw').prop('required', false);
+        }
+    });
+
+    /* Handler for editing password */
+    $(document).on('change', '#text_pma_pw,#text_pma_pw2', function () {
+        $('#select_pred_password').val('userdefined');
+        $('#text_pma_pw2').prop('required', true);
+        $('#text_pma_pw').prop('required', true);
+    });
+
+    /**
+     * Unbind all event handlers before tearing down a page
+     */
+    $(document).off('click', '#change_password_anchor.ajax');
+
+    /**
+     * Attach Ajax event handler on the change password anchor
+     */
+
+    $(document).on('click', '#change_password_anchor.ajax', function (event) {
+        event.preventDefault();
+
+        var $msgbox = Functions.ajaxShowMessage();
+
+        /**
+         * @var button_options  Object containing options to be passed to jQueryUI's dialog
+         */
+        var buttonOptions = {};
+        buttonOptions[Messages.strGo] = function () {
+            event.preventDefault();
+
+            /**
+             * @var $the_form    Object referring to the change password form
+             */
+            var $theForm = $('#change_password_form');
+
+            if (! Functions.checkPassword($theForm)) {
+                return false;
+            }
+
+            /**
+             * @var this_value  String containing the value of the submit button.
+             * Need to append this for the change password form on Server Privileges
+             * page to work
+             */
+            var thisValue = $(this).val();
+
+            var $msgbox = Functions.ajaxShowMessage(Messages.strProcessingRequest);
+            $theForm.append('<input type="hidden" name="ajax_request" value="true">');
+
+            $.post($theForm.attr('action'), $theForm.serialize() + CommonParams.get('arg_separator') + 'change_pw=' + thisValue, function (data) {
+                if (typeof data === 'undefined' || data.success !== true) {
+                    Functions.ajaxShowMessage(data.error, false);
+                    return;
+                }
+
+                var $pageContent = $('#page_content');
+                $pageContent.prepend(data.message);
+                Functions.highlightSql($pageContent);
+                $('#change_password_dialog').hide().remove();
+                $('#edit_user_dialog').dialog('close').remove();
+                Functions.ajaxRemoveMessage($msgbox);
+            }); // end $.post()
+        };
+
+        buttonOptions[Messages.strCancel] = function () {
+            $(this).dialog('close');
+        };
+        $.get($(this).attr('href'), { 'ajax_request': true }, function (data) {
+            if (typeof data === 'undefined' || !data.success) {
+                Functions.ajaxShowMessage(data.error, false);
+                return;
+            }
+
+            if (data.scripts) {
+                AJAX.scriptHandler.load(data.scripts);
+            }
+
+            $('<div id="change_password_dialog"></div>')
+                .dialog({
+                    title: Messages.strChangePassword,
+                    width: 600,
+                    close: function () {
+                        $(this).remove();
+                    },
+                    buttons: buttonOptions,
+                    modal: true
+                })
+                .append(data.message);
+            // for this dialog, we remove the fieldset wrapping due to double headings
+            $('fieldset#fieldset_change_password')
+                .find('legend').remove().end()
+                .find('table.noclick').unwrap().addClass('some-margin')
+                .find('input#text_pma_pw').trigger('focus');
+            $('#fieldset_change_password_footer').hide();
+            Functions.ajaxRemoveMessage($msgbox);
+            Functions.displayPasswordGenerateButton();
+            $('#change_password_form').on('submit', function (e) {
+                e.preventDefault();
+                $(this)
+                    .closest('.ui-dialog')
+                    .find('.ui-dialog-buttonpane .ui-button')
+                    .first()
+                    .trigger('click');
+            });
+        }); // end $.get()
+    }); // end handler for change password anchor
+}); // end $() for Change Password
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('change', 'select.column_type');
+    $(document).off('change', 'select.default_type');
+    $(document).off('change', 'select.virtuality');
+    $(document).off('change', 'input.allow_null');
+    $(document).off('change', '.create_table_form select[name=tbl_storage_engine]');
+});
+/**
+ * Toggle the hiding/showing of the "Open in ENUM/SET editor" message when
+ * the page loads and when the selected data type changes
+ */
+AJAX.registerOnload('functions.js', function () {
+    // is called here for normal page loads and also when opening
+    // the Create table dialog
+    Functions.verifyColumnsProperties();
+    //
+    // needs on() to work also in the Create Table dialog
+    $(document).on('change', 'select.column_type', function () {
+        Functions.showNoticeForEnum($(this));
+    });
+    $(document).on('change', 'select.default_type', function () {
+        Functions.hideShowDefaultValue($(this));
+    });
+    $(document).on('change', 'select.virtuality', function () {
+        Functions.hideShowExpression($(this));
+    });
+    $(document).on('change', 'input.allow_null', function () {
+        Functions.validateDefaultValue($(this));
+    });
+    $(document).on('change', '.create_table_form select[name=tbl_storage_engine]', function () {
+        Functions.hideShowConnection($(this));
+    });
+});
+
+/**
+ * If the chosen storage engine is FEDERATED show connection field. Hide otherwise
+ *
+ * @param $engineSelector storage engine selector
+ */
+Functions.hideShowConnection = function ($engineSelector) {
+    var $connection = $('.create_table_form input[name=connection]');
+    var index = $connection.parent('td').index() + 1;
+    var $labelTh = $connection.parents('tr').prev('tr').children('th:nth-child(' + index + ')');
+    if ($engineSelector.val() !== 'FEDERATED') {
+        $connection
+            .prop('disabled', true)
+            .parent('td').hide();
+        $labelTh.hide();
+    } else {
+        $connection
+            .prop('disabled', false)
+            .parent('td').show();
+        $labelTh.show();
+    }
+};
+
+/**
+ * If the column does not allow NULL values, makes sure that default is not NULL
+ */
+Functions.validateDefaultValue = function ($nullCheckbox) {
+    if (! $nullCheckbox.prop('checked')) {
+        var $default = $nullCheckbox.closest('tr').find('.default_type');
+        if ($default.val() === 'NULL') {
+            $default.val('NONE');
+        }
+    }
+};
+
+/**
+ * function to populate the input fields on picking a column from central list
+ *
+ * @param string  input_id input id of the name field for the column to be populated
+ * @param integer offset of the selected column in central list of columns
+ */
+Functions.autoPopulate = function (inputId, offset) {
+    var db = CommonParams.get('db');
+    var table = CommonParams.get('table');
+    var newInputId = inputId.substring(0, inputId.length - 1);
+    $('#' + newInputId + '1').val(centralColumnList[db + '_' + table][offset].col_name);
+    var colType = centralColumnList[db + '_' + table][offset].col_type.toUpperCase();
+    $('#' + newInputId + '2').val(colType);
+    var $input3 = $('#' + newInputId + '3');
+    $input3.val(centralColumnList[db + '_' + table][offset].col_length);
+    if (colType === 'ENUM' || colType === 'SET') {
+        $input3.next().show();
+    } else {
+        $input3.next().hide();
+    }
+    var colDefault = centralColumnList[db + '_' + table][offset].col_default.toUpperCase();
+    var $input4 = $('#' + newInputId + '4');
+    if (colDefault !== '' && colDefault !== 'NULL' && colDefault !== 'CURRENT_TIMESTAMP' && colDefault !== 'CURRENT_TIMESTAMP()') {
+        $input4.val('USER_DEFINED');
+        $input4.next().next().show();
+        $input4.next().next().val(centralColumnList[db + '_' + table][offset].col_default);
+    } else {
+        $input4.val(centralColumnList[db + '_' + table][offset].col_default);
+        $input4.next().next().hide();
+    }
+    $('#' + newInputId + '5').val(centralColumnList[db + '_' + table][offset].col_collation);
+    var $input6 = $('#' + newInputId + '6');
+    $input6.val(centralColumnList[db + '_' + table][offset].col_attribute);
+    if (centralColumnList[db + '_' + table][offset].col_extra === 'on update CURRENT_TIMESTAMP') {
+        $input6.val(centralColumnList[db + '_' + table][offset].col_extra);
+    }
+    if (centralColumnList[db + '_' + table][offset].col_extra.toUpperCase() === 'AUTO_INCREMENT') {
+        $('#' + newInputId + '9').prop('checked',true).trigger('change');
+    } else {
+        $('#' + newInputId + '9').prop('checked',false);
+    }
+    if (centralColumnList[db + '_' + table][offset].col_isNull !== '0') {
+        $('#' + newInputId + '7').prop('checked',true);
+    } else {
+        $('#' + newInputId + '7').prop('checked',false);
+    }
+};
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('click', 'a.open_enum_editor');
+    $(document).off('click', 'input.add_value');
+    $(document).off('click', '#enum_editor td.drop');
+    $(document).off('click', 'a.central_columns_dialog');
+});
+
+/**
+ * @var $enumEditorDialog An object that points to the jQuery
+ *                          dialog of the ENUM/SET editor
+ */
+var $enumEditorDialog = null;
+
+/**
+ * Opens the ENUM/SET editor and controls its functions
+ */
+AJAX.registerOnload('functions.js', function () {
+    $(document).on('click', 'a.open_enum_editor', function () {
+        // Get the name of the column that is being edited
+        var colname = $(this).closest('tr').find('input:first').val();
+        var title;
+        var i;
+        // And use it to make up a title for the page
+        if (colname.length < 1) {
+            title = Messages.enum_newColumnVals;
+        } else {
+            title = Messages.enum_columnVals.replace(
+                /%s/,
+                '"' + Functions.escapeHtml(decodeURIComponent(colname)) + '"'
+            );
+        }
+        // Get the values as a string
+        var inputstring = $(this)
+            .closest('td')
+            .find('input')
+            .val();
+        // Escape html entities
+        inputstring = $('<div></div>')
+            .text(inputstring)
+            .html();
+        // Parse the values, escaping quotes and
+        // slashes on the fly, into an array
+        var values = [];
+        var inString = false;
+        var curr;
+        var next;
+        var buffer = '';
+        for (i = 0; i < inputstring.length; i++) {
+            curr = inputstring.charAt(i);
+            next = i === inputstring.length ? '' : inputstring.charAt(i + 1);
+            if (! inString && curr === '\'') {
+                inString = true;
+            } else if (inString && curr === '\\' && next === '\\') {
+                buffer += '&#92;';
+                i++;
+            } else if (inString && next === '\'' && (curr === '\'' || curr === '\\')) {
+                buffer += '&#39;';
+                i++;
+            } else if (inString && curr === '\'') {
+                inString = false;
+                values.push(buffer);
+                buffer = '';
+            } else if (inString) {
+                buffer += curr;
+            }
+        }
+        if (buffer.length > 0) {
+            // The leftovers in the buffer are the last value (if any)
+            values.push(buffer);
+        }
+        var fields = '';
+        // If there are no values, maybe the user is about to make a
+        // new list so we add a few for him/her to get started with.
+        if (values.length === 0) {
+            values.push('', '', '', '');
+        }
+        // Add the parsed values to the editor
+        var dropIcon = Functions.getImage('b_drop');
+        for (i = 0; i < values.length; i++) {
+            fields += '<tr><td>' +
+                   '<input type=\'text\' value=\'' + values[i] + '\'>' +
+                   '</td><td class=\'drop\'>' +
+                   dropIcon +
+                   '</td></tr>';
+        }
+        /**
+         * @var dialog HTML code for the ENUM/SET dialog
+         */
+        var dialog = '<div id=\'enum_editor\'>' +
+                   '<fieldset>' +
+                    '<legend>' + title + '</legend>' +
+                    '<p>' + Functions.getImage('s_notice') +
+                    Messages.enum_hint + '</p>' +
+                    '<table class=\'values\'>' + fields + '</table>' +
+                    '</fieldset><fieldset class=\'tblFooters\'>' +
+                    '<table class=\'add\'><tr><td>' +
+                    '<div class=\'slider\'></div>' +
+                    '</td><td>' +
+                    '<form><div><input type=\'submit\' class=\'add_value\' value=\'' +
+                    Functions.sprintf(Messages.enum_addValue, 1) +
+                    '\'></div></form>' +
+                    '</td></tr></table>' +
+                    '<input type=\'hidden\' value=\'' + // So we know which column's data is being edited
+                    $(this).closest('td').find('input').attr('id') +
+                    '\'>' +
+                    '</fieldset>' +
+                    '</div>';
+        /**
+         * @var  Defines functions to be called when the buttons in
+         * the buttonOptions jQuery dialog bar are pressed
+         */
+        var buttonOptions = {};
+        buttonOptions[Messages.strGo] = function () {
+            // When the submit button is clicked,
+            // put the data back into the original form
+            var valueArray = [];
+            $(this).find('.values input').each(function (index, elm) {
+                var val = elm.value.replace(/\\/g, '\\\\').replace(/'/g, '\'\'');
+                valueArray.push('\'' + val + '\'');
+            });
+            // get the Length/Values text field where this value belongs
+            var valuesId = $(this).find('input[type=\'hidden\']').val();
+            $('input#' + valuesId).val(valueArray.join(','));
+            $(this).dialog('close');
+        };
+        buttonOptions[Messages.strClose] = function () {
+            $(this).dialog('close');
+        };
+        // Show the dialog
+        var width = parseInt(
+            (parseInt($('html').css('font-size'), 10) / 13) * 340,
+            10
+        );
+        if (! width) {
+            width = 340;
+        }
+        $enumEditorDialog = $(dialog).dialog({
+            minWidth: width,
+            maxHeight: 450,
+            modal: true,
+            title: Messages.enum_editor,
+            buttons: buttonOptions,
+            open: function () {
+                // Focus the "Go" button after opening the dialog
+                $(this).closest('.ui-dialog').find('.ui-dialog-buttonpane button:first').trigger('focus');
+            },
+            close: function () {
+                $(this).remove();
+            }
+        });
+        // slider for choosing how many fields to add
+        $enumEditorDialog.find('.slider').slider({
+            animate: true,
+            range: 'min',
+            value: 1,
+            min: 1,
+            max: 9,
+            slide: function (event, ui) {
+                $(this).closest('table').find('input[type=submit]').val(
+                    Functions.sprintf(Messages.enum_addValue, ui.value)
+                );
+            }
+        });
+        // Focus the slider, otherwise it looks nearly transparent
+        $('a.ui-slider-handle').addClass('ui-state-focus');
+        return false;
+    });
+
+    $(document).on('click', 'a.central_columns_dialog', function () {
+        var href = 'db_central_columns.php';
+        var db = CommonParams.get('db');
+        var table = CommonParams.get('table');
+        var maxRows = $(this).data('maxrows');
+        var pick = $(this).data('pick');
+        if (pick !== false) {
+            pick = true;
+        }
+        var params = {
+            'ajax_request' : true,
+            'server' : CommonParams.get('server'),
+            'db' : CommonParams.get('db'),
+            'cur_table' : CommonParams.get('table'),
+            'getColumnList':true
+        };
+        var colid = $(this).closest('td').find('input').attr('id');
+        var fields = '';
+        if (! (db + '_' + table in centralColumnList)) {
+            centralColumnList.push(db + '_' + table);
+            $.ajax({
+                type: 'POST',
+                url: href,
+                data: params,
+                success: function (data) {
+                    centralColumnList[db + '_' + table] = JSON.parse(data.message);
+                },
+                async:false
+            });
+        }
+        var i = 0;
+        var listSize = centralColumnList[db + '_' + table].length;
+        var min = (listSize <= maxRows) ? listSize : maxRows;
+        for (i = 0; i < min; i++) {
+            fields += '<tr><td><div><span class="font_weight_bold">' +
+                Functions.escapeHtml(centralColumnList[db + '_' + table][i].col_name) +
+                '</span><br><span class="color_gray">' + centralColumnList[db + '_' + table][i].col_type;
+
+            if (centralColumnList[db + '_' + table][i].col_attribute !== '') {
+                fields += '(' + Functions.escapeHtml(centralColumnList[db + '_' + table][i].col_attribute) + ') ';
+            }
+            if (centralColumnList[db + '_' + table][i].col_length !== '') {
+                fields += '(' + Functions.escapeHtml(centralColumnList[db + '_' + table][i].col_length) + ') ';
+            }
+            fields += Functions.escapeHtml(centralColumnList[db + '_' + table][i].col_extra) + '</span>' +
+                '</div></td>';
+            if (pick) {
+                fields += '<td><input class="btn btn-secondary pick all100" type="submit" value="' +
+                    Messages.pickColumn + '" onclick="Functions.autoPopulate(\'' + colid + '\',' + i + ')"></td>';
+            }
+            fields += '</tr>';
+        }
+        var resultPointer = i;
+        var searchIn = '<input type="text" class="filter_rows" placeholder="' + Messages.searchList + '">';
+        if (fields === '') {
+            fields = Functions.sprintf(Messages.strEmptyCentralList, '\'' + Functions.escapeHtml(db) + '\'');
+            searchIn = '';
+        }
+        var seeMore = '';
+        if (listSize > maxRows) {
+            seeMore = '<fieldset class=\'tblFooters center font_weight_bold\'>' +
+                '<a href=\'#\' id=\'seeMore\'>' + Messages.seeMore + '</a></fieldset>';
+        }
+        var centralColumnsDialog = '<div class=\'max_height_400\'>' +
+            '<fieldset>' +
+            searchIn +
+            '<table id=\'col_list\' class=\'values all100\'>' + fields + '</table>' +
+            '</fieldset>' +
+            seeMore +
+            '</div>';
+
+        var width = parseInt(
+            (parseInt($('html').css('font-size'), 10) / 13) * 500,
+            10
+        );
+        if (! width) {
+            width = 500;
+        }
+        var buttonOptions = {};
+        var $centralColumnsDialog = $(centralColumnsDialog).dialog({
+            minWidth: width,
+            maxHeight: 450,
+            modal: true,
+            title: Messages.pickColumnTitle,
+            buttons: buttonOptions,
+            open: function () {
+                $('#col_list').on('click', '.pick', function () {
+                    $centralColumnsDialog.remove();
+                });
+                $('.filter_rows').on('keyup', function () {
+                    $.uiTableFilter($('#col_list'), $(this).val());
+                });
+                $('#seeMore').on('click', function () {
+                    fields = '';
+                    min = (listSize <= maxRows + resultPointer) ? listSize : maxRows + resultPointer;
+                    for (i = resultPointer; i < min; i++) {
+                        fields += '<tr><td><div><span class="font_weight_bold">' +
+                            centralColumnList[db + '_' + table][i].col_name +
+                            '</span><br><span class="color_gray">' +
+                            centralColumnList[db + '_' + table][i].col_type;
+
+                        if (centralColumnList[db + '_' + table][i].col_attribute !== '') {
+                            fields += '(' + centralColumnList[db + '_' + table][i].col_attribute + ') ';
+                        }
+                        if (centralColumnList[db + '_' + table][i].col_length !== '') {
+                            fields += '(' + centralColumnList[db + '_' + table][i].col_length + ') ';
+                        }
+                        fields += centralColumnList[db + '_' + table][i].col_extra + '</span>' +
+                            '</div></td>';
+                        if (pick) {
+                            fields += '<td><input class="btn btn-secondary pick all100" type="submit" value="' +
+                                Messages.pickColumn + '" onclick="Functions.autoPopulate(\'' + colid + '\',' + i + ')"></td>';
+                        }
+                        fields += '</tr>';
+                    }
+                    $('#col_list').append(fields);
+                    resultPointer = i;
+                    if (resultPointer === listSize) {
+                        $('.tblFooters').hide();
+                    }
+                    return false;
+                });
+                $(this).closest('.ui-dialog').find('.ui-dialog-buttonpane button:first').trigger('focus');
+            },
+            close: function () {
+                $('#col_list').off('click', '.pick');
+                $('.filter_rows').off('keyup');
+                $(this).remove();
+            }
+        });
+        return false;
+    });
+
+    // $(document).on('click', 'a.show_central_list',function(e) {
+
+    // });
+    // When "add a new value" is clicked, append an empty text field
+    $(document).on('click', 'input.add_value', function (e) {
+        e.preventDefault();
+        var numNewRows = $enumEditorDialog.find('div.slider').slider('value');
+        while (numNewRows--) {
+            $enumEditorDialog.find('.values')
+                .append(
+                    '<tr class=\'hide\'><td>' +
+                    '<input type=\'text\'>' +
+                    '</td><td class=\'drop\'>' +
+                    Functions.getImage('b_drop') +
+                    '</td></tr>'
+                )
+                .find('tr:last')
+                .show('fast');
+        }
+    });
+
+    // Removes the specified row from the enum editor
+    $(document).on('click', '#enum_editor td.drop', function () {
+        $(this).closest('tr').hide('fast', function () {
+            $(this).remove();
+        });
+    });
+});
+
+/**
+ * Ensures indexes names are valid according to their type and, for a primary
+ * key, lock index name to 'PRIMARY'
+ * @param string   form_id  Variable which parses the form name as
+ *                            the input
+ * @return boolean  false    if there is no index form, true else
+ */
+Functions.checkIndexName = function (formId) {
+    if ($('#' + formId).length === 0) {
+        return false;
+    }
+
+    // Gets the elements pointers
+    var $theIdxName = $('#input_index_name');
+    var $theIdxChoice = $('#select_index_choice');
+
+    // Index is a primary key
+    if ($theIdxChoice.find('option:selected').val() === 'PRIMARY') {
+        $theIdxName.val('PRIMARY');
+        $theIdxName.prop('disabled', true);
+    } else {
+        if ($theIdxName.val() === 'PRIMARY') {
+            $theIdxName.val('');
+        }
+        $theIdxName.prop('disabled', false);
+    }
+
+    return true;
+};
+
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('click', '#index_frm input[type=submit]');
+});
+AJAX.registerOnload('functions.js', function () {
+    /**
+     * Handler for adding more columns to an index in the editor
+     */
+    $(document).on('click', '#index_frm input[type=submit]', function (event) {
+        event.preventDefault();
+        var rowsToAdd = $(this)
+            .closest('fieldset')
+            .find('.slider')
+            .slider('value');
+
+        var tempEmptyVal = function () {
+            $(this).val('');
+        };
+
+        var tempSetFocus = function () {
+            if ($(this).find('option:selected').val() === '') {
+                return true;
+            }
+            $(this).closest('tr').find('input').trigger('focus');
+        };
+
+        while (rowsToAdd--) {
+            var $indexColumns = $('#index_columns');
+            var $newrow = $indexColumns
+                .find('tbody > tr:first')
+                .clone()
+                .appendTo(
+                    $indexColumns.find('tbody')
+                );
+            $newrow.find(':input').each(tempEmptyVal);
+            // focus index size input on column picked
+            $newrow.find('select').on('change', tempSetFocus);
+        }
+    });
+});
+
+Functions.indexEditorDialog = function (url, title, callbackSuccess, callbackFailure) {
+    /* Remove the hidden dialogs if there are*/
+    var $editIndexDialog = $('#edit_index_dialog');
+    if ($editIndexDialog.length !== 0) {
+        $editIndexDialog.remove();
+    }
+    var $div = $('<div id="edit_index_dialog"></div>');
+
+    /**
+     * @var button_options Object that stores the options
+     *                     passed to jQueryUI dialog
+     */
+    var buttonOptions = {};
+    buttonOptions[Messages.strGo] = function () {
+        /**
+         * @var    the_form    object referring to the export form
+         */
+        var $form = $('#index_frm');
+        Functions.ajaxShowMessage(Messages.strProcessingRequest);
+        Functions.prepareForAjaxRequest($form);
+        // User wants to submit the form
+        $.post($form.attr('action'), $form.serialize() + CommonParams.get('arg_separator') + 'do_save_data=1', function (data) {
+            var $sqlqueryresults = $('.sqlqueryresults');
+            if ($sqlqueryresults.length !== 0) {
+                $sqlqueryresults.remove();
+            }
+            if (typeof data !== 'undefined' && data.success === true) {
+                Functions.ajaxShowMessage(data.message);
+                Functions.highlightSql($('.result_query'));
+                $('.result_query .notice').remove();
+                /* Reload the field form*/
+                $('#table_index').remove();
+                $('<div id=\'temp_div\'><div>')
+                    .append(data.index_table)
+                    .find('#table_index')
+                    .insertAfter('#index_header');
+                var $editIndexDialog = $('#edit_index_dialog');
+                if ($editIndexDialog.length > 0) {
+                    $editIndexDialog.dialog('close');
+                }
+                $('div.no_indexes_defined').hide();
+                if (callbackSuccess) {
+                    callbackSuccess();
+                }
+                Navigation.reload();
+            } else {
+                var $tempDiv = $('<div id=\'temp_div\'><div>').append(data.error);
+                var $error;
+                if ($tempDiv.find('.error code').length !== 0) {
+                    $error = $tempDiv.find('.error code').addClass('error');
+                } else {
+                    $error = $tempDiv;
+                }
+                if (callbackFailure) {
+                    callbackFailure();
+                }
+                Functions.ajaxShowMessage($error, false);
+            }
+        }); // end $.post()
+    };
+    buttonOptions[Messages.strPreviewSQL] = function () {
+        // Function for Previewing SQL
+        var $form = $('#index_frm');
+        Functions.previewSql($form);
+    };
+    buttonOptions[Messages.strCancel] = function () {
+        $(this).dialog('close');
+    };
+    var $msgbox = Functions.ajaxShowMessage();
+    $.post('tbl_indexes.php', url, function (data) {
+        if (typeof data !== 'undefined' && data.success === false) {
+            // in the case of an error, show the error message returned.
+            Functions.ajaxShowMessage(data.error, false);
+        } else {
+            Functions.ajaxRemoveMessage($msgbox);
+            // Show dialog if the request was successful
+            $div
+                .append(data.message)
+                .dialog({
+                    title: title,
+                    width: 'auto',
+                    open: Functions.verifyColumnsProperties,
+                    modal: true,
+                    buttons: buttonOptions,
+                    close: function () {
+                        $(this).remove();
+                    }
+                });
+            $div.find('.tblFooters').remove();
+            Functions.showIndexEditDialog($div);
+        }
+    }); // end $.get()
+};
+
+Functions.showIndexEditDialog = function ($outer) {
+    Indexes.checkIndexType();
+    Functions.checkIndexName('index_frm');
+    var $indexColumns = $('#index_columns');
+    $indexColumns.find('td').each(function () {
+        $(this).css('width', $(this).width() + 'px');
+    });
+    $indexColumns.find('tbody').sortable({
+        axis: 'y',
+        containment: $indexColumns.find('tbody'),
+        tolerance: 'pointer'
+    });
+    Functions.showHints($outer);
+    Functions.initSlider();
+    // Add a slider for selecting how many columns to add to the index
+    $outer.find('.slider').slider({
+        animate: true,
+        value: 1,
+        min: 1,
+        max: 16,
+        slide: function (event, ui) {
+            $(this).closest('fieldset').find('input[type=submit]').val(
+                Functions.sprintf(Messages.strAddToIndex, ui.value)
+            );
+        }
+    });
+    $('div.add_fields').removeClass('hide');
+    // focus index size input on column picked
+    $outer.find('table#index_columns select').on('change', function () {
+        if ($(this).find('option:selected').val() === '') {
+            return true;
+        }
+        $(this).closest('tr').find('input').trigger('focus');
+    });
+    // Focus the slider, otherwise it looks nearly transparent
+    $('a.ui-slider-handle').addClass('ui-state-focus');
+    // set focus on index name input, if empty
+    var input = $outer.find('input#input_index_name');
+    if (! input.val()) {
+        input.trigger('focus');
+    }
+};
+
+/**
+ * Function to display tooltips that were
+ * generated on the PHP side by PhpMyAdmin\Util::showHint()
+ *
+ * @param object $div a div jquery object which specifies the
+ *                    domain for searching for tooltips. If we
+ *                    omit this parameter the function searches
+ *                    in the whole body
+ **/
+Functions.showHints = function ($div) {
+    var $newDiv = $div;
+    if ($newDiv === undefined || !($newDiv instanceof jQuery) || $newDiv.length === 0) {
+        $newDiv = $('body');
+    }
+    $newDiv.find('.pma_hint').each(function () {
+        Functions.tooltip(
+            $(this).children('img'),
+            'img',
+            $(this).children('span').html()
+        );
+    });
+};
+
+AJAX.registerOnload('functions.js', function () {
+    Functions.showHints();
+});
+
+Functions.mainMenuResizerCallback = function () {
+    // 5 px margin for jumping menu in Chrome
+    return $(document.body).width() - 5;
+};
+
+// This must be fired only once after the initial page load
+$(function () {
+    // Initialise the menu resize plugin
+    $('#topmenu').menuResizer(Functions.mainMenuResizerCallback);
+    // register resize event
+    $(window).on('resize', function () {
+        $('#topmenu').menuResizer('resize');
+    });
+});
+
+/**
+ * Changes status of slider
+ */
+Functions.setStatusLabel = function ($element) {
+    var text;
+    if ($element.css('display') === 'none') {
+        text = '+ ';
+    } else {
+        text = '- ';
+    }
+    $element.closest('.slide-wrapper').prev().find('span').text(text);
+};
+
+/**
+ * var  toggleButton  This is a function that creates a toggle
+ *                    sliding button given a jQuery reference
+ *                    to the correct DOM element
+ */
+Functions.toggleButton = function ($obj) {
+    // In rtl mode the toggle switch is flipped horizontally
+    // so we need to take that into account
+    var right;
+    if ($('span.text_direction', $obj).text() === 'ltr') {
+        right = 'right';
+    } else {
+        right = 'left';
+    }
+    /**
+     *  var  h  Height of the button, used to scale the
+     *          background image and position the layers
+     */
+    var h = $obj.height();
+    $('img', $obj).height(h);
+    $('table', $obj).css('bottom', h - 1);
+    /**
+     *  var  on   Width of the "ON" part of the toggle switch
+     *  var  off  Width of the "OFF" part of the toggle switch
+     */
+    var on  = $('td.toggleOn', $obj).width();
+    var off = $('td.toggleOff', $obj).width();
+    // Make the "ON" and "OFF" parts of the switch the same size
+    // + 2 pixels to avoid overflowed
+    $('td.toggleOn > div', $obj).width(Math.max(on, off) + 2);
+    $('td.toggleOff > div', $obj).width(Math.max(on, off) + 2);
+    /**
+     *  var  w  Width of the central part of the switch
+     */
+    var w = parseInt(($('img', $obj).height() / 16) * 22, 10);
+    // Resize the central part of the switch on the top
+    // layer to match the background
+    $('table td:nth-child(2) > div', $obj).width(w);
+    /**
+     *  var  imgw    Width of the background image
+     *  var  tblw    Width of the foreground layer
+     *  var  offset  By how many pixels to move the background
+     *               image, so that it matches the top layer
+     */
+    var imgw = $('img', $obj).width();
+    var tblw = $('table', $obj).width();
+    var offset = parseInt(((imgw - tblw) / 2), 10);
+    // Move the background to match the layout of the top layer
+    $obj.find('img').css(right, offset);
+    /**
+     *  var  offw    Outer width of the "ON" part of the toggle switch
+     *  var  btnw    Outer width of the central part of the switch
+     */
+    var offw = $('td.toggleOff', $obj).outerWidth();
+    var btnw = $('table td:nth-child(2)', $obj).outerWidth();
+    // Resize the main div so that exactly one side of
+    // the switch plus the central part fit into it.
+    $obj.width(offw + btnw + 2);
+    /**
+     *  var  move  How many pixels to move the
+     *             switch by when toggling
+     */
+    var move = $('td.toggleOff', $obj).outerWidth();
+    // If the switch is initialized to the
+    // OFF state we need to move it now.
+    if ($('div.container', $obj).hasClass('off')) {
+        if (right === 'right') {
+            $('div.container', $obj).animate({ 'left': '-=' + move + 'px' }, 0);
+        } else {
+            $('div.container', $obj).animate({ 'left': '+=' + move + 'px' }, 0);
+        }
+    }
+    // Attach an 'onclick' event to the switch
+    $('div.container', $obj).on('click', function () {
+        if ($(this).hasClass('isActive')) {
+            return false;
+        } else {
+            $(this).addClass('isActive');
+        }
+        var $msg = Functions.ajaxShowMessage();
+        var $container = $(this);
+        var callback = $('span.callback', this).text();
+        var operator;
+        var url;
+        var removeClass;
+        var addClass;
+        // Perform the actual toggle
+        if ($(this).hasClass('on')) {
+            if (right === 'right') {
+                operator = '-=';
+            } else {
+                operator = '+=';
+            }
+            url = $(this).find('td.toggleOff > span').text();
+            removeClass = 'on';
+            addClass = 'off';
+        } else {
+            if (right === 'right') {
+                operator = '+=';
+            } else {
+                operator = '-=';
+            }
+            url = $(this).find('td.toggleOn > span').text();
+            removeClass = 'off';
+            addClass = 'on';
+        }
+
+        var parts = url.split('?');
+        $.post(parts[0], parts[1] + '&ajax_request=true', function (data) {
+            if (typeof data !== 'undefined' && data.success === true) {
+                Functions.ajaxRemoveMessage($msg);
+                $container
+                    .removeClass(removeClass)
+                    .addClass(addClass)
+                    .animate({ 'left': operator + move + 'px' }, function () {
+                        $container.removeClass('isActive');
+                    });
+                // eslint-disable-next-line no-eval
+                eval(callback);
+            } else {
+                Functions.ajaxShowMessage(data.error, false);
+                $container.removeClass('isActive');
+            }
+        });
+    });
+};
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $('div.container').off('click');
+});
+/**
+ * Initialise all toggle buttons
+ */
+AJAX.registerOnload('functions.js', function () {
+    $('div.toggleAjax').each(function () {
+        var $button = $(this).show();
+        $button.find('img').each(function () {
+            if (this.complete) {
+                Functions.toggleButton($button);
+            } else {
+                $(this).on('load', function () {
+                    Functions.toggleButton($button);
+                });
+            }
+        });
+    });
+});
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('change', 'select.pageselector');
+    $('#update_recent_tables').off('ready');
+    $('#sync_favorite_tables').off('ready');
+});
+
+AJAX.registerOnload('functions.js', function () {
+    /**
+     * Autosubmit page selector
+     */
+    $(document).on('change', 'select.pageselector', function (event) {
+        event.stopPropagation();
+        // Check where to load the new content
+        if ($(this).closest('#pma_navigation').length === 0) {
+            // For the main page we don't need to do anything,
+            $(this).closest('form').submit();
+        } else {
+            // but for the navigation we need to manually replace the content
+            Navigation.treePagination($(this));
+        }
+    });
+
+    /**
+     * Load version information asynchronously.
+     */
+    if ($('li.jsversioncheck').length > 0) {
+        $.ajax({
+            dataType: 'json',
+            url: 'version_check.php',
+            method: 'POST',
+            data: {
+                'server': CommonParams.get('server')
+            },
+            success: Functions.currentVersion
+        });
+    }
+
+    if ($('#is_git_revision').length > 0) {
+        setTimeout(Functions.displayGitRevision, 10);
+    }
+
+    /**
+     * Slider effect.
+     */
+    Functions.initSlider();
+
+    var $updateRecentTables = $('#update_recent_tables');
+    if ($updateRecentTables.length) {
+        $.get(
+            $updateRecentTables.attr('href'),
+            { 'no_debug': true },
+            function (data) {
+                if (typeof data !== 'undefined' && data.success === true) {
+                    $('#pma_recent_list').html(data.list);
+                }
+            }
+        );
+    }
+
+    // Sync favorite tables from localStorage to pmadb.
+    if ($('#sync_favorite_tables').length) {
+        $.ajax({
+            url: $('#sync_favorite_tables').attr('href'),
+            cache: false,
+            type: 'POST',
+            data: {
+                'favoriteTables': (isStorageSupported('localStorage') && typeof window.localStorage.favoriteTables !== 'undefined')
+                    ? window.localStorage.favoriteTables
+                    : '',
+                'server': CommonParams.get('server'),
+                'no_debug': true
+            },
+            success: function (data) {
+                // Update localStorage.
+                if (isStorageSupported('localStorage')) {
+                    window.localStorage.favoriteTables = data.favoriteTables;
+                }
+                $('#pma_favorite_list').html(data.list);
+            }
+        });
+    }
+}); // end of $()
+
+/**
+ * Initializes slider effect.
+ */
+Functions.initSlider = function () {
+    $('div.pma_auto_slider').each(function () {
+        var $this = $(this);
+        if ($this.data('slider_init_done')) {
+            return;
+        }
+        var $wrapper = $('<div>', { 'class': 'slide-wrapper' });
+        $wrapper.toggle($this.is(':visible'));
+        $('<a>', { href: '#' + this.id, 'class': 'ajax' })
+            .text($this.attr('title'))
+            .prepend($('<span>'))
+            .insertBefore($this)
+            .on('click', function () {
+                var $wrapper = $this.closest('.slide-wrapper');
+                var visible = $this.is(':visible');
+                if (!visible) {
+                    $wrapper.show();
+                }
+                $this[visible ? 'hide' : 'show']('blind', function () {
+                    $wrapper.toggle(!visible);
+                    $wrapper.parent().toggleClass('print_ignore', visible);
+                    Functions.setStatusLabel($this);
+                });
+                return false;
+            });
+        $this.wrap($wrapper);
+        $this.removeAttr('title');
+        Functions.setStatusLabel($this);
+        $this.data('slider_init_done', 1);
+    });
+};
+
+/**
+ * Initializes slider effect.
+ */
+AJAX.registerOnload('functions.js', function () {
+    Functions.initSlider();
+});
+
+/**
+ * Restores sliders to the state they were in before initialisation.
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $('div.pma_auto_slider').each(function () {
+        var $this = $(this);
+        $this.removeData();
+        $this.parent().replaceWith($this);
+        $this.parent().children('a').remove();
+    });
+});
+
+/**
+ * Creates a message inside an object with a sliding effect
+ *
+ * @param msg    A string containing the text to display
+ * @param $obj   a jQuery object containing the reference
+ *                 to the element where to put the message
+ *                 This is optional, if no element is
+ *                 provided, one will be created below the
+ *                 navigation links at the top of the page
+ *
+ * @return bool   True on success, false on failure
+ */
+Functions.slidingMessage = function (msg, $object) {
+    var $obj = $object;
+    if (msg === undefined || msg.length === 0) {
+        // Don't show an empty message
+        return false;
+    }
+    if ($obj === undefined || !($obj instanceof jQuery) || $obj.length === 0) {
+        // If the second argument was not supplied,
+        // we might have to create a new DOM node.
+        if ($('#PMA_slidingMessage').length === 0) {
+            $('#page_content').prepend(
+                '<span id="PMA_slidingMessage" ' +
+                'class="pma_sliding_message"></span>'
+            );
+        }
+        $obj = $('#PMA_slidingMessage');
+    }
+    if ($obj.has('div').length > 0) {
+        // If there already is a message inside the
+        // target object, we must get rid of it
+        $obj
+            .find('div')
+            .first()
+            .fadeOut(function () {
+                $obj
+                    .children()
+                    .remove();
+                $obj
+                    .append('<div>' + msg + '</div>');
+                // highlight any sql before taking height;
+                Functions.highlightSql($obj);
+                $obj.find('div')
+                    .first()
+                    .hide();
+                $obj
+                    .animate({
+                        height: $obj.find('div').first().height()
+                    })
+                    .find('div')
+                    .first()
+                    .fadeIn();
+            });
+    } else {
+        // Object does not already have a message
+        // inside it, so we simply slide it down
+        $obj.width('100%')
+            .html('<div>' + msg + '</div>');
+        // highlight any sql before taking height;
+        Functions.highlightSql($obj);
+        var h = $obj
+            .find('div')
+            .first()
+            .hide()
+            .height();
+        $obj
+            .find('div')
+            .first()
+            .css('height', 0)
+            .show()
+            .animate({
+                height: h
+            }, function () {
+            // Set the height of the parent
+            // to the height of the child
+                $obj
+                    .height(
+                        $obj
+                            .find('div')
+                            .first()
+                            .height()
+                    );
+            });
+    }
+    return true;
+};
+
+/**
+ * Attach CodeMirror2 editor to SQL edit area.
+ */
+AJAX.registerOnload('functions.js', function () {
+    var $elm = $('#sqlquery');
+    if ($elm.siblings().filter('.CodeMirror').length > 0) {
+        return;
+    }
+    if ($elm.length > 0) {
+        if (typeof CodeMirror !== 'undefined') {
+            codeMirrorEditor = Functions.getSqlEditor($elm);
+            codeMirrorEditor.focus();
+            codeMirrorEditor.on('blur', Functions.updateQueryParameters);
+        } else {
+            // without codemirror
+            $elm.trigger('focus').on('blur', Functions.updateQueryParameters);
+        }
+    }
+    Functions.highlightSql($('body'));
+});
+AJAX.registerTeardown('functions.js', function () {
+    if (codeMirrorEditor) {
+        $('#sqlquery').text(codeMirrorEditor.getValue());
+        codeMirrorEditor.toTextArea();
+        codeMirrorEditor = false;
+    }
+});
+AJAX.registerOnload('functions.js', function () {
+    // initializes all lock-page elements lock-id and
+    // val-hash data property
+    $('#page_content form.lock-page textarea, ' +
+            '#page_content form.lock-page input[type="text"], ' +
+            '#page_content form.lock-page input[type="number"], ' +
+            '#page_content form.lock-page select').each(function (i) {
+        $(this).data('lock-id', i);
+        // val-hash is the hash of default value of the field
+        // so that it can be compared with new value hash
+        // to check whether field was modified or not.
+        $(this).data('val-hash', AJAX.hash($(this).val()));
+    });
+
+    // initializes lock-page elements (input types checkbox and radio buttons)
+    // lock-id and val-hash data property
+    $('#page_content form.lock-page input[type="checkbox"], ' +
+            '#page_content form.lock-page input[type="radio"]').each(function (i) {
+        $(this).data('lock-id', i);
+        $(this).data('val-hash', AJAX.hash($(this).is(':checked')));
+    });
+});
+
+/**
+ * jQuery plugin to correctly filter input fields by value, needed
+ * because some nasty values may break selector syntax
+ */
+(function ($) {
+    $.fn.filterByValue = function (value) {
+        return this.filter(function () {
+            return $(this).val() === value;
+        });
+    };
+}(jQuery));
+
+/**
+ * Return value of a cell in a table.
+ */
+Functions.getCellValue = function (td) {
+    var $td = $(td);
+    if ($td.is('.null')) {
+        return '';
+    } else if ((! $td.is('.to_be_saved')
+        || $td.is('.set'))
+        && $td.data('original_data')
+    ) {
+        return $td.data('original_data');
+    } else {
+        return $td.text();
+    }
+};
+
+$(window).on('popstate', function () {
+    $('#printcss').attr('media','print');
+    return true;
+});
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('click', 'a.themeselect');
+    $(document).off('change', '.autosubmit');
+    $('a.take_theme').off('click');
+});
+
+AJAX.registerOnload('functions.js', function () {
+    /**
+     * Theme selector.
+     */
+    $(document).on('click', 'a.themeselect', function (e) {
+        window.open(
+            e.target,
+            'themes',
+            'left=10,top=20,width=510,height=350,scrollbars=yes,status=yes,resizable=yes'
+        );
+        return false;
+    });
+
+    /**
+     * Automatic form submission on change.
+     */
+    $(document).on('change', '.autosubmit', function () {
+        $(this).closest('form').trigger('submit');
+    });
+
+    /**
+     * Theme changer.
+     */
+    $('a.take_theme').on('click', function () {
+        var what = this.name;
+        if (window.opener && window.opener.document.forms.setTheme.elements.set_theme) {
+            window.opener.document.forms.setTheme.elements.set_theme.value = what;
+            window.opener.document.forms.setTheme.submit();
+            window.close();
+            return false;
+        }
+        return true;
+    });
+});
+
+/**
+ * Produce print preview
+ */
+Functions.printPreview = function () {
+    $('#printcss').attr('media','all');
+    Functions.createPrintAndBackButtons();
+};
+
+/**
+ * Create print and back buttons in preview page
+ */
+Functions.createPrintAndBackButtons = function () {
+    var backButton = $('<input>',{
+        type: 'button',
+        value: Messages.back,
+        id: 'back_button_print_view'
+    });
+    backButton.on('click', Functions.removePrintAndBackButton);
+    backButton.appendTo('#page_content');
+    var printButton = $('<input>',{
+        type: 'button',
+        value: Messages.print,
+        id: 'print_button_print_view'
+    });
+    printButton.on('click', Functions.printPage);
+    printButton.appendTo('#page_content');
+};
+
+/**
+ * Remove print and back buttons and revert to normal view
+ */
+Functions.removePrintAndBackButton = function () {
+    $('#printcss').attr('media','print');
+    $('#back_button_print_view').remove();
+    $('#print_button_print_view').remove();
+};
+
+/**
+ * Print page
+ */
+Functions.printPage = function () {
+    if (typeof(window.print) !== 'undefined') {
+        window.print();
+    }
+};
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $('input#print').off('click');
+    $(document).off('click', 'a.create_view.ajax');
+    $(document).off('keydown', '#createViewDialog input, #createViewDialog select');
+    $(document).off('change', '#fkc_checkbox');
+});
+
+AJAX.registerOnload('functions.js', function () {
+    $('input#print').on('click', Functions.printPage);
+    $('.logout').on('click', function () {
+        var form = $(
+            '<form method="POST" action="' + $(this).attr('href') + '" class="disableAjax">' +
+            '<input type="hidden" name="token" value="' + Functions.escapeHtml(CommonParams.get('token')) + '">' +
+            '</form>'
+        );
+        $('body').append(form);
+        form.submit();
+        sessionStorage.clear();
+        return false;
+    });
+    /**
+     * Ajaxification for the "Create View" action
+     */
+    $(document).on('click', 'a.create_view.ajax', function (e) {
+        e.preventDefault();
+        Functions.createViewDialog($(this));
+    });
+    /**
+     * Attach Ajax event handlers for input fields in the editor
+     * and used to submit the Ajax request when the ENTER key is pressed.
+     */
+    if ($('#createViewDialog').length !== 0) {
+        $(document).on('keydown', '#createViewDialog input, #createViewDialog select', function (e) {
+            if (e.which === 13) { // 13 is the ENTER key
+                e.preventDefault();
+
+                // with preventing default, selection by <select> tag
+                // was also prevented in IE
+                $(this).trigger('blur');
+
+                $(this).closest('.ui-dialog').find('.ui-button:first').trigger('click');
+            }
+        }); // end $(document).on()
+    }
+
+    if ($('textarea[name="view[as]"]').length !== 0) {
+        codeMirrorEditor = Functions.getSqlEditor($('textarea[name="view[as]"]'));
+    }
+});
+
+Functions.createViewDialog = function ($this) {
+    var $msg = Functions.ajaxShowMessage();
+    var sep = CommonParams.get('arg_separator');
+    var params = Functions.getJsConfirmCommonParam(this, $this.getPostData());
+    params += sep + 'ajax_dialog=1';
+    $.post($this.attr('href'), params, function (data) {
+        if (typeof data !== 'undefined' && data.success === true) {
+            Functions.ajaxRemoveMessage($msg);
+            var buttonOptions = {};
+            buttonOptions[Messages.strGo] = function () {
+                if (typeof CodeMirror !== 'undefined') {
+                    codeMirrorEditor.save();
+                }
+                $msg = Functions.ajaxShowMessage();
+                $.post('view_create.php', $('#createViewDialog').find('form').serialize(), function (data) {
+                    Functions.ajaxRemoveMessage($msg);
+                    if (typeof data !== 'undefined' && data.success === true) {
+                        $('#createViewDialog').dialog('close');
+                        $('.result_query').html(data.message);
+                        Navigation.reload();
+                    } else {
+                        Functions.ajaxShowMessage(data.error);
+                    }
+                });
+            };
+            buttonOptions[Messages.strClose] = function () {
+                $(this).dialog('close');
+            };
+            var $dialog = $('<div></div>').attr('id', 'createViewDialog').append(data.message).dialog({
+                width: 600,
+                minWidth: 400,
+                modal: true,
+                buttons: buttonOptions,
+                title: Messages.strCreateView,
+                close: function () {
+                    $(this).remove();
+                }
+            });
+            // Attach syntax highlighted editor
+            codeMirrorEditor = Functions.getSqlEditor($dialog.find('textarea'));
+            $('input:visible[type=text]', $dialog).first().trigger('focus');
+        } else {
+            Functions.ajaxShowMessage(data.error);
+        }
+    });
+};
+
+/**
+ * Makes the breadcrumbs and the menu bar float at the top of the viewport
+ */
+$(function () {
+    if ($('#floating_menubar').length && $('#PMA_disable_floating_menubar').length === 0) {
+        var left = $('html').attr('dir') === 'ltr' ? 'left' : 'right';
+        $('#floating_menubar')
+            .css('margin-' + left, $('#pma_navigation').width() + $('#pma_navigation_resizer').width())
+            .css(left, 0)
+            .css({
+                'position': 'fixed',
+                'top': 0,
+                'width': '100%',
+                'z-index': 99
+            })
+            .append($('#serverinfo'))
+            .append($('#topmenucontainer'));
+        // Allow the DOM to render, then adjust the padding on the body
+        setTimeout(function () {
+            $('body').css(
+                'padding-top',
+                $('#floating_menubar').outerHeight(true)
+            );
+            $('#topmenu').menuResizer('resize');
+        }, 4);
+    }
+});
+
+/**
+ * Scrolls the page to the top if clicking the serverinfo bar
+ */
+$(function () {
+    $(document).on('click', '#serverinfo, #goto_pagetop', function (event) {
+        event.preventDefault();
+        $('html, body').animate({ scrollTop: 0 }, 'fast');
+    });
+});
+
+var checkboxesSel = 'input.checkall:checkbox:enabled';
+
+/**
+ * Watches checkboxes in a form to set the checkall box accordingly
+ */
+Functions.checkboxesChanged = function () {
+    var $form = $(this.form);
+    // total number of checkboxes in current form
+    var totalBoxes = $form.find(checkboxesSel).length;
+    // number of checkboxes checked in current form
+    var checkedBoxes = $form.find(checkboxesSel + ':checked').length;
+    var $checkall = $form.find('input.checkall_box');
+    if (totalBoxes === checkedBoxes) {
+        $checkall.prop({ checked: true, indeterminate: false });
+    } else if (checkedBoxes > 0) {
+        $checkall.prop({ checked: true, indeterminate: true });
+    } else {
+        $checkall.prop({ checked: false, indeterminate: false });
+    }
+};
+
+$(document).on('change', checkboxesSel, Functions.checkboxesChanged);
+
+$(document).on('change', 'input.checkall_box', function () {
+    var isChecked = $(this).is(':checked');
+    $(this.form).find(checkboxesSel).not('.row-hidden').prop('checked', isChecked)
+        .parents('tr').toggleClass('marked', isChecked);
+});
+
+$(document).on('click', '.checkall-filter', function () {
+    var $this = $(this);
+    var selector = $this.data('checkall-selector');
+    $('input.checkall_box').prop('checked', false);
+    $this.parents('form').find(checkboxesSel).filter(selector).prop('checked', true).trigger('change')
+        .parents('tr').toggleClass('marked', true);
+    return false;
+});
+
+/**
+ * Watches checkboxes in a sub form to set the sub checkall box accordingly
+ */
+Functions.subCheckboxesChanged = function () {
+    var $form = $(this).parent().parent();
+    // total number of checkboxes in current sub form
+    var totalBoxes = $form.find(checkboxesSel).length;
+    // number of checkboxes checked in current sub form
+    var checkedBoxes = $form.find(checkboxesSel + ':checked').length;
+    var $checkall = $form.find('input.sub_checkall_box');
+    if (totalBoxes === checkedBoxes) {
+        $checkall.prop({ checked: true, indeterminate: false });
+    } else if (checkedBoxes > 0) {
+        $checkall.prop({ checked: true, indeterminate: true });
+    } else {
+        $checkall.prop({ checked: false, indeterminate: false });
+    }
+};
+
+$(document).on('change', checkboxesSel + ', input.checkall_box:checkbox:enabled', Functions.subCheckboxesChanged);
+
+$(document).on('change', 'input.sub_checkall_box', function () {
+    var isChecked = $(this).is(':checked');
+    var $form = $(this).parent().parent();
+    $form.find(checkboxesSel).prop('checked', isChecked)
+        .parents('tr').toggleClass('marked', isChecked);
+});
+
+/**
+ * Rows filtering
+ *
+ * - rows to filter are identified by data-filter-row attribute
+ *   which contains uppercase string to filter
+ * - it is simple substring case insensitive search
+ * - optionally number of matching rows is written to element with
+ *   id filter-rows-count
+ */
+$(document).on('keyup', '#filterText', function () {
+    var filterInput = $(this).val().toUpperCase().replace(/ /g, '_');
+    var count = 0;
+    $('[data-filter-row]').each(function () {
+        var $row = $(this);
+        /* Can not use data() here as it does magic conversion to int for numeric values */
+        if ($row.attr('data-filter-row').indexOf(filterInput) > -1) {
+            count += 1;
+            $row.show();
+            $row.find('input.checkall').removeClass('row-hidden');
+        } else {
+            $row.hide();
+            $row.find('input.checkall').addClass('row-hidden').prop('checked', false);
+            $row.removeClass('marked');
+        }
+    });
+    setTimeout(function () {
+        $(checkboxesSel).trigger('change');
+    }, 300);
+    $('#filter-rows-count').html(count);
+});
+AJAX.registerOnload('functions.js', function () {
+    /* Trigger filtering of the list based on incoming database name */
+    var $filter = $('#filterText');
+    if ($filter.val()) {
+        $filter.trigger('keyup').select();
+    }
+});
+
+/**
+ * Formats a byte number to human-readable form
+ *
+ * @param bytes the bytes to format
+ * @param optional subdecimals the number of digits after the point
+ * @param optional pointchar the char to use as decimal point
+ */
+Functions.formatBytes = function (bytesToFormat, subDecimals, pointChar) {
+    var bytes = bytesToFormat;
+    var decimals = subDecimals;
+    var point = pointChar;
+    if (!decimals) {
+        decimals = 0;
+    }
+    if (!point) {
+        point = '.';
+    }
+    var units = ['B', 'KiB', 'MiB', 'GiB'];
+    for (var i = 0; bytes > 1024 && i < units.length; i++) {
+        bytes /= 1024;
+    }
+    var factor = Math.pow(10, decimals);
+    bytes = Math.round(bytes * factor) / factor;
+    bytes = bytes.toString().split('.').join(point);
+    return bytes + ' ' + units[i];
+};
+
+AJAX.registerOnload('functions.js', function () {
+    /**
+     * Reveal the login form to users with JS enabled
+     * and focus the appropriate input field
+     */
+    var $loginform = $('#loginform');
+    if ($loginform.length) {
+        $loginform.find('.js-show').show();
+        if ($('#input_username').val()) {
+            $('#input_password').trigger('focus');
+        } else {
+            $('#input_username').trigger('focus');
+        }
+    }
+    var $httpsWarning = $('#js-https-mismatch');
+    if ($httpsWarning.length) {
+        if ((window.location.protocol === 'https:') !== CommonParams.get('is_https')) {
+            $httpsWarning.show();
+        }
+    }
+});
+
+/**
+ * Formats timestamp for display
+ */
+Functions.formatDateTime = function (date, seconds) {
+    var result = $.datepicker.formatDate('yy-mm-dd', date);
+    var timefmt = 'HH:mm';
+    if (seconds) {
+        timefmt = 'HH:mm:ss';
+    }
+    return result + ' ' + $.datepicker.formatTime(
+        timefmt, {
+            hour: date.getHours(),
+            minute: date.getMinutes(),
+            second: date.getSeconds()
+        }
+    );
+};
+
+/**
+ * Check than forms have less fields than max allowed by PHP.
+ */
+Functions.checkNumberOfFields = function () {
+    if (typeof maxInputVars === 'undefined') {
+        return false;
+    }
+    if (false === maxInputVars) {
+        return false;
+    }
+    $('form').each(function () {
+        var nbInputs = $(this).find(':input').length;
+        if (nbInputs > maxInputVars) {
+            var warning = Functions.sprintf(Messages.strTooManyInputs, maxInputVars);
+            Functions.ajaxShowMessage(warning);
+            return false;
+        }
+        return true;
+    });
+
+    return true;
+};
+
+/**
+ * Ignore the displayed php errors.
+ * Simply removes the displayed errors.
+ *
+ * @param  clearPrevErrors whether to clear errors stored
+ *             in $_SESSION['prev_errors'] at server
+ *
+ */
+Functions.ignorePhpErrors = function (clearPrevErrors) {
+    var clearPrevious = clearPrevErrors;
+    if (typeof(clearPrevious) === 'undefined' ||
+        clearPrevious === null
+    ) {
+        clearPrevious = false;
+    }
+    // send AJAX request to error_report.php with send_error_report=0, exception_type=php & token.
+    // It clears the prev_errors stored in session.
+    if (clearPrevious) {
+        var $pmaReportErrorsForm = $('#pma_report_errors_form');
+        $pmaReportErrorsForm.find('input[name="send_error_report"]').val(0); // change send_error_report to '0'
+        $pmaReportErrorsForm.submit();
+    }
+
+    // remove displayed errors
+    var $pmaErrors = $('#pma_errors');
+    $pmaErrors.fadeOut('slow');
+    $pmaErrors.remove();
+};
+
+/**
+ * Toggle the Datetimepicker UI if the date value entered
+ * by the user in the 'text box' is not going to be accepted
+ * by the Datetimepicker plugin (but is accepted by MySQL)
+ */
+Functions.toggleDatepickerIfInvalid = function ($td, $inputField) {
+    // Regex allowed by the Datetimepicker UI
+    var dtexpDate = new RegExp(['^([0-9]{4})',
+        '-(((01|03|05|07|08|10|12)-((0[1-9])|([1-2][0-9])|(3[0-1])))|((02|04|06|09|11)',
+        '-((0[1-9])|([1-2][0-9])|30)))$'].join(''));
+    var dtexpTime = new RegExp(['^(([0-1][0-9])|(2[0-3]))',
+        ':((0[0-9])|([1-5][0-9]))',
+        ':((0[0-9])|([1-5][0-9]))(.[0-9]{1,6}){0,1}$'].join(''));
+
+    // If key-ed in Time or Date values are unsupported by the UI, close it
+    if ($td.attr('data-type') === 'date' && ! dtexpDate.test($inputField.val())) {
+        $inputField.datepicker('hide');
+    } else if ($td.attr('data-type') === 'time' && ! dtexpTime.test($inputField.val())) {
+        $inputField.datepicker('hide');
+    } else {
+        $inputField.datepicker('show');
+    }
+};
+
+/**
+ * Function to submit the login form after validation is done.
+ * NOTE: do NOT use a module or it will break the callback, issue #15435
+ */
+// eslint-disable-next-line no-unused-vars, camelcase
+var Functions_recaptchaCallback = function () {
+    $('#login_form').trigger('submit');
+};
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('keydown', 'form input, form textarea, form select');
+});
+
+AJAX.registerOnload('functions.js', function () {
+    /**
+     * Handle 'Ctrl/Alt + Enter' form submits
+     */
+    $('form input, form textarea, form select').on('keydown', function (e) {
+        if ((e.ctrlKey && e.which === 13) || (e.altKey && e.which === 13)) {
+            var $form = $(this).closest('form');
+
+            // There could be multiple submit buttons on the same form,
+            // we assume all of them behave identical and just click one.
+            if (! $form.find('input[type="submit"]:first') ||
+                ! $form.find('input[type="submit"]:first').trigger('click')
+            ) {
+                $form.trigger('submit');
+            }
+        }
+    });
+});
+
+/**
+ * Unbind all event handlers before tearing down a page
+ */
+AJAX.registerTeardown('functions.js', function () {
+    $(document).off('change', 'input[type=radio][name="pw_hash"]');
+    $(document).off('mouseover', '.sortlink');
+    $(document).off('mouseout', '.sortlink');
+});
+
+AJAX.registerOnload('functions.js', function () {
+    /*
+     * Display warning regarding SSL when sha256_password
+     * method is selected
+     * Used in user_password.php (Change Password link on index.php)
+     */
+    $(document).on('change', 'select#select_authentication_plugin_cp', function () {
+        if (this.value === 'sha256_password') {
+            $('#ssl_reqd_warning_cp').show();
+        } else {
+            $('#ssl_reqd_warning_cp').hide();
+        }
+    });
+
+    Cookies.defaults.path = CommonParams.get('rootPath');
+
+    // Bind event handlers for toggling sort icons
+    $(document).on('mouseover', '.sortlink', function () {
+        $(this).find('.soimg').toggle();
+    });
+    $(document).on('mouseout', '.sortlink', function () {
+        $(this).find('.soimg').toggle();
+    });
+});
+
+/**
+ * Returns an HTML IMG tag for a particular image from a theme,
+ * which may be an actual file or an icon from a sprite
+ *
+ * @param string image      The name of the file to get
+ * @param string alternate  Used to set 'alt' and 'title' attributes of the image
+ * @param object attributes An associative array of other attributes
+ *
+ * @return Object The requested image, this object has two methods:
+ *                  .toString()        - Returns the IMG tag for the requested image
+ *                  .attr(name)        - Returns a particular attribute of the IMG
+ *                                       tag given it's name
+ *                  .attr(name, value) - Sets a particular attribute of the IMG
+ *                                       tag to the given value
+ */
+Functions.getImage = function (image, alternate, attributes) {
+    var alt = alternate;
+    var attr = attributes;
+    // custom image object, it will eventually be returned by this functions
+    var retval = {
+        data: {
+            // this is private
+            alt: '',
+            title: '',
+            src: 'themes/dot.gif',
+        },
+        attr: function (name, value) {
+            if (value === undefined) {
+                if (this.data[name] === undefined) {
+                    return '';
+                } else {
+                    return this.data[name];
+                }
+            } else {
+                this.data[name] = value;
+            }
+        },
+        toString: function () {
+            var retval = '<' + 'img';
+            for (var i in this.data) {
+                retval += ' ' + i + '="' + this.data[i] + '"';
+            }
+            retval += ' /' + '>';
+            return retval;
+        }
+    };
+    // initialise missing parameters
+    if (attr === undefined) {
+        attr = {};
+    }
+    if (alt === undefined) {
+        alt = '';
+    }
+    // set alt
+    if (attr.alt !== undefined) {
+        retval.attr('alt', Functions.escapeHtml(attr.alt));
+    } else {
+        retval.attr('alt', Functions.escapeHtml(alt));
+    }
+    // set title
+    if (attr.title !== undefined) {
+        retval.attr('title', Functions.escapeHtml(attr.title));
+    } else {
+        retval.attr('title', Functions.escapeHtml(alt));
+    }
+    // set css classes
+    retval.attr('class', 'icon ic_' + image);
+    // set all other attrubutes
+    for (var i in attr) {
+        if (i === 'src') {
+            // do not allow to override the 'src' attribute
+            continue;
+        }
+
+        retval.attr(i, attr[i]);
+    }
+
+    return retval;
+};
+
+/**
+ * Sets a configuration value.
+ *
+ * A configuration value may be set in both browser's local storage and
+ * remotely in server's configuration table.
+ *
+ * NOTE: Depending on server's configuration, the configuration table may be or
+ * not persistent.
+ *
+ * @param  {string}     key         Configuration key.
+ * @param  {object}     value       Configuration value.
+ */
+Functions.configSet = function (key, value) {
+    var serialized = JSON.stringify(value);
+    localStorage.setItem(key, serialized);
+    $.ajax({
+        url: 'ajax.php',
+        type: 'POST',
+        dataType: 'json',
+        data: {
+            key: key,
+            type: 'config-set',
+            server: CommonParams.get('server'),
+            value: serialized,
+        },
+        success: function (data) {
+            // Updating value in local storage.
+            if (! data.success) {
+                if (data.error) {
+                    Functions.ajaxShowMessage(data.error);
+                } else {
+                    Functions.ajaxShowMessage(data.message);
+                }
+            }
+            // Eventually, call callback.
+        }
+    });
+};
+
+/**
+ * Gets a configuration value. A configuration value will be searched in
+ * browser's local storage first and if not found, a call to the server will be
+ * made.
+ *
+ * If value should not be cached and the up-to-date configuration value from
+ * right from the server is required, the third parameter should be `false`.
+ *
+ * @param  {string}     key         Configuration key.
+ * @param  {boolean}    cached      Configuration type.
+ *
+ * @return {object}                 Configuration value.
+ */
+Functions.configGet = function (key, cached) {
+    var isCached = (typeof cached !== 'undefined') ? cached : true;
+    var value = localStorage.getItem(key);
+    if (isCached && value !== undefined && value !== null) {
+        return JSON.parse(value);
+    }
+
+    // Result not found in local storage or ignored.
+    // Hitting the server.
+    $.ajax({
+        // TODO: This is ugly, but usually when a configuration is needed,
+        // processing cannot continue until that value is found.
+        // Another solution is to provide a callback as a parameter.
+        async: false,
+        url: 'ajax.php',
+        type: 'POST',
+        dataType: 'json',
+        data: {
+            type: 'config-get',
+            server: CommonParams.get('server'),
+            key: key
+        },
+        success: function (data) {
+            // Updating value in local storage.
+            if (data.success) {
+                localStorage.setItem(key, JSON.stringify(data.value));
+            } else {
+                Functions.ajaxShowMessage(data.message);
+            }
+            // Eventually, call callback.
+        }
+    });
+    return JSON.parse(localStorage.getItem(key));
+};
+
+/**
+ * Return POST data as stored by Util::linkOrButton
+ */
+Functions.getPostData = function () {
+    var dataPost = this.attr('data-post');
+    // Strip possible leading ?
+    if (dataPost !== undefined && dataPost.substring(0,1) === '?') {
+        dataPost = dataPost.substr(1);
+    }
+    return dataPost;
+};
+jQuery.fn.getPostData = Functions.getPostData;