/*
 * 
 * TableSorter 2.0 - Client-side table sorting with ease!
 * Version 2.0.3
 * @requires jQuery v1.2.3
 * 
 * Copyright (c) 2007 Christian Bach
 * Examples and docs at: http://tablesorter.com
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * 
 */
/**
 *
 * @description Create a sortable table with multi-column sorting capabilitys
 * 
 * @example $('table').tablesorter();
 * @desc Create a simple tablesorter interface.
 *
 * @example $('table').tablesorter({ sortList:[[0,0],[1,0]] });
 * @desc Create a tablesorter interface and sort on the first and secound column in ascending order.
 * 
 * @example $('table').tablesorter({ headers: { 0: { sorter: false}, 1: {sorter: false} } });
 * @desc Create a tablesorter interface and disableing the first and secound column headers.
 * 
 * @example $('table').tablesorter({ 0: {sorter:"integer"}, 1: {sorter:"currency"} });
 * @desc Create a tablesorter interface and set a column parser for the first and secound column.
 * 
 * 
 * @param Object settings An object literal containing key/value pairs to provide optional settings.
 * 
 * @option String cssHeader (optional) 			A string of the class name to be appended to sortable tr elements in the thead of the table. 
 * 												Default value: "header"
 * 
 * @option String cssAsc (optional) 			A string of the class name to be appended to sortable tr elements in the thead on a ascending sort. 
 * 												Default value: "headerSortUp"
 * 
 * @option String cssDesc (optional) 			A string of the class name to be appended to sortable tr elements in the thead on a descending sort. 
 * 												Default value: "headerSortDown"
 * 
 * @option String sortInitialOrder (optional) 	A string of the inital sorting order can be asc or desc. 
 * 												Default value: "asc"
 * 
 * @option String sortMultisortKey (optional) 	A string of the multi-column sort key. 
 * 												Default value: "shiftKey"
 * 
 * @option String textExtraction (optional) 	A string of the text-extraction method to use. 
 * 												For complex html structures inside td cell set this option to "complex", 
 * 												on large tables the complex option can be slow. 
 * 												Default value: "simple"
 * 
 * @option Object headers (optional) 			An array containing the forces sorting rules. 
 * 												This option let's you specify a default sorting rule. 
 * 												Default value: null
 * 
 * @option Array sortList (optional) 			An array containing the forces sorting rules. 
 * 												This option let's you specify a default sorting rule. 
 * 												Default value: null
 * 
 * @option Array sortForce (optional) 			An array containing forced sorting rules. 
 * 												This option let's you specify a default sorting rule, which is prepended to user-selected rules.
 * 												Default value: null
 *  
 * @option Array sortAppend (optional) 			An array containing forced sorting rules. 
 * 												This option let's you specify a default sorting rule, which is appended to user-selected rules.
 * 												Default value: null
 * 
 * @option Boolean widthFixed (optional) 		Boolean flag indicating if tablesorter should apply fixed widths to the table columns.
 * 												This is usefull when using the pager companion plugin.
 * 												This options requires the dimension jquery plugin.
 * 												Default value: false
 *
 * @option Boolean cancelSelection (optional) 	Boolean flag indicating if tablesorter should cancel selection of the table headers text.
 * 												Default value: true
 *
 * @option Boolean debug (optional) 			Boolean flag indicating if tablesorter should display debuging information usefull for development.
 *
 * @type jQuery
 *
 * @name tablesorter
 * 
 * @cat Plugins/Tablesorter
 * 
 * @author Christian Bach/christian.bach@polyester.se
 */

(function($) {
    $.extend({
        tablesorter: new function() {

            var parsers = [], widgets = [];

            this.defaults = {
                cssHeader: "header",
                cssAsc: "headerSortUp",
                cssDesc: "headerSortDown",
                cssChildRow: "child-row",
                sortInitialOrder: "asc",
                sortMultiSortKey: "shiftKey",
                sortForce: null,
                sortAppend: null,
                textExtraction: "simple",
                parsers: {},
                widgets: [],
                widgetZebra: {css: ["even", "odd"]},
                headers: {},
                widthFixed: false,
                cancelSelection: true,
                sortList: [],
                headerList: [],
                dateFormat: "us",
                decimal: '.',
                onRenderHeader: null,
                debug: false
            };

            /* debuging utils */
            function benchmark(s, d) {
                log(s + "," + (new Date().getTime() - d.getTime()) + "ms");
            }

            this.benchmark = benchmark;

            function log(s) {
                if (typeof console != "undefined" && typeof console.debug != "undefined") {
                    console.log(s);
                } else {
                    alert(s);
                }
            }

            /* parsers utils */
            function buildParserCache(table, $headers) {

                if (table.config.debug) {
                    var parsersDebug = "";
                }

                var rows = table.tBodies[0].rows;

                if (table.tBodies[0].rows[0]) {

                    var list = [], cells = rows[0].cells, l = cells.length;

                    for (var i = 0; i < l; i++) {
                        var p = false;

                        if ($.metadata && ($($headers[i]).metadata() && $($headers[i]).metadata().sorter)) {

                            p = getParserById($($headers[i]).metadata().sorter);

                        } else if ((table.config.headers[i] && table.config.headers[i].sorter)) {

                            p = getParserById(table.config.headers[i].sorter);
                        }
                        if (!p) {
                            p = detectParserForColumn(table, cells[i]);
                        }

                        if (table.config.debug) {
                            parsersDebug += "column:" + i + " parser:" + p.id + "\n";
                        }

                        list.push(p);
                    }
                }

                if (table.config.debug) {
                    log(parsersDebug);
                }

                return list;
            }
            ;

            function detectParserForColumn(table, node) {
                var l = parsers.length;
                for (var i = 1; i < l; i++) {
                    if (parsers[i].is($.trim(getElementText(table.config, node)), table, node)) {
                        return parsers[i];
                    }
                }
                // 0 is always the generic parser (text)
                return parsers[0];
            }

            function getParserById(name) {
                var l = parsers.length;
                for (var i = 0; i < l; i++) {
                    if (parsers[i].id.toLowerCase() == name.toLowerCase()) {
                        return parsers[i];
                    }
                }
                return false;
            }

            /* utils */
            function buildCache(table) {

                if (table.config.debug) {
                    var cacheTime = new Date();
                }

                var totalRows = (table.tBodies[0] && table.tBodies[0].rows.length) || 0,
                        totalCells = (table.tBodies[0].rows[0] && table.tBodies[0].rows[0].cells.length) || 0,
                        parsers = table.config.parsers,
                        cache = {row: [], normalized: []};
                
                //alert(("build-to"));	

                for (var i = 0; i < totalRows; ++i) {

                    /** Add the table data to main data array */
                    var c = $(table.tBodies[0].rows[i]), cols = [];

                    // if this is a child row, add it to the last row's children and continue to the next row
                    if (c.hasClass(table.config.cssChildRow) ) {
                        cache.row[cache.row.length - 1] = cache.row[cache.row.length - 1].add(c);
                        // go to the next for loop
                        continue;
                    }

                    cache.row.push(c);

                    for (var j = 0; j < totalCells; ++j) {
                        cols.push(parsers[j].format(getElementText(table.config, c[0].cells[j]), table, c[0].cells[j]));
                    }

                    cols.push(cache.normalized.length); // add position for rowCache
                    cache.normalized.push(cols);
                    cols = null;
                }
                ;

                if (table.config.debug) {
                    benchmark("Building cache for " + totalRows + " rows:", cacheTime);
                }

                return cache;
            }
            ;

            function getElementText(config, node) {

                if (!node)
                    return "";

                var t = "";

                if (config.textExtraction == "simple") {
                    if (node.childNodes[0] && node.childNodes[0].hasChildNodes()) {
                        t = node.childNodes[0].innerHTML;
                    } else {
                        t = node.innerHTML;
                    }
                } else {
                    if (typeof(config.textExtraction) == "function") {
                        t = config.textExtraction(node);
                    } else {
                        t = $(node).text();
                    }
                }
                return t;
            }

            function appendToTable(table, cache) {

                if (table.config.debug) {
                    var appendTime = new Date()
                }

                var c = cache,
                        r = c.row,
                        n = c.normalized,
                        totalRows = n.length,
                        checkCell = (n[0].length - 1),
                        tableBody = $(table.tBodies[0]),
                        rows = [];

                for (var i = 0; i < totalRows; i++) {
                    var pos = n[i][checkCell];
                    rows.push(r[pos]);
                    if (!table.config.appender) {

                        var o = r[pos];
                        var l = o.length;
                        for (var j = 0; j < l; j++) {
                            tableBody[0].appendChild(o[j]);
                        }

                        //tableBody.append(r[n[i][checkCell]]);
                    }
                }

                if (table.config.appender) {

                    table.config.appender(table, rows);
                }

                rows = null;

                if (table.config.debug) {
                    benchmark("Rebuilt table:", appendTime);
                }

                //apply table widgets
                applyWidget(table);

                // trigger sortend
                setTimeout(function() {
                    $(table).trigger("sortEnd");
                }, 0);

            }
            ;

            function buildHeaders(table) {

                if (table.config.debug) {
                    var time = new Date();
                }

                var meta = ($.metadata) ? true : false, tableHeadersRows = [];

                for (var i = 0; i < table.tHead.rows.length; i++) {
                    tableHeadersRows[i] = 0;
                }
                ;

                $tableHeaders = $("thead th", table);

                $tableHeaders.each(function(index) {

                    this.count = 0;
                    this.column = index;
                    this.order = formatSortingOrder(table.config.sortInitialOrder);

                    if (checkHeaderMetadata(this) || checkHeaderOptions(table, index))
                        this.sortDisabled = true;

                    if (!this.sortDisabled) {
                        var $th = $(this).addClass(table.config.cssHeader);
                        if (table.config.onRenderHeader)
                            table.config.onRenderHeader.apply($th);
                    }

                    // add cell to headerList
                    table.config.headerList[index] = this;
                });

                if (table.config.debug) {
                    benchmark("Built headers:", time);
                    log($tableHeaders);
                }

                return $tableHeaders;

            }
            ;

            function checkCellColSpan(table, rows, row) {
                var arr = [], r = table.tHead.rows, c = r[row].cells;

                for (var i = 0; i < c.length; i++) {
                    var cell = c[i];

                    if (cell.colSpan > 1) {
                        arr = arr.concat(checkCellColSpan(table, headerArr, row++));
                    } else {
                        if (table.tHead.length == 1 || (cell.rowSpan > 1 || !r[row + 1])) {
                            arr.push(cell);
                        }
                        //headerArr[row] = (i+row);
                    }
                }
                return arr;
            }
            ;

            function checkHeaderMetadata(cell) {
                if (($.metadata) && ($(cell).metadata().sorter === false)) {
                    return true;
                }
                ;
                return false;
            }

            function checkHeaderOptions(table, i) {
                if ((table.config.headers[i]) && (table.config.headers[i].sorter === false)) {
                    return true;
                }
                ;
                return false;
            }

            function applyWidget(table) {
                var c = table.config.widgets;
                var l = c.length;
                for (var i = 0; i < l; i++) {

                    getWidgetById(c[i]).format(table);
                }

            }

            function getWidgetById(name) {
                var l = widgets.length;
                for (var i = 0; i < l; i++) {
                    if (widgets[i].id.toLowerCase() == name.toLowerCase()) {
                        return widgets[i];
                    }
                }
            }
            ;

            function formatSortingOrder(v) {

                if (typeof(v) != "Number") {
                    i = (v.toLowerCase() == "desc") ? 1 : 0;
                } else {
                    i = (v == (0 || 1)) ? v : 0;
                }
                return i;
            }

            function isValueInArray(v, a) {
                var l = a.length;
                for (var i = 0; i < l; i++) {
                    if (a[i][0] == v) {
                        return true;
                    }
                }
                return false;
            }

            function setHeadersCss(table, $headers, list, css) {
                // remove all header information
                $headers.removeClass(css[0]).removeClass(css[1]);

                var h = [];
                $headers.each(function(offset) {
                    if (!this.sortDisabled) {
                        h[this.column] = $(this);
                    }
                });

                var l = list.length;
                for (var i = 0; i < l; i++) {
                    h[list[i][0]].addClass(css[list[i][1]]);
                }
            }

            function fixColumnWidth(table, $headers) {
                var c = table.config;
                if (c.widthFixed) {
                    var colgroup = $('<colgroup>');
                    $("tr:first td", table.tBodies[0]).each(function() {
                        colgroup.append($('<col>').css('width', $(this).width()));
                    });
                    $(table).prepend(colgroup);
                }
                ;
            }

            function updateHeaderSortCount(table, sortList) {
                var c = table.config, l = sortList.length;
                for (var i = 0; i < l; i++) {
                    var s = sortList[i], o = c.headerList[s[0]];
                    o.count = s[1];
                    o.count++;
                }
            }

            /* sorting methods */
            function multisort(table, sortList, cache) {

                if (table.config.debug) {
                    var sortTime = new Date();
                }

                var dynamicExp = "var sortWrapper = function(a,b) {", l = sortList.length;

                for (var i = 0; i < l; i++) {

                    var c = sortList[i][0];
                    var order = sortList[i][1];
                    var s = (getCachedSortType(table.config.parsers, c) == "text") ? ((order == 0) ? "sortText" : "sortTextDesc") : ((order == 0) ? "sortNumeric" : "sortNumericDesc");

                    var e = "e" + i;

                    dynamicExp += "var " + e + " = " + s + "(a[" + c + "],b[" + c + "]); ";
                    dynamicExp += "if(" + e + ") { return " + e + "; } ";
                    dynamicExp += "else { ";
                }

                // if value is the same keep orignal order	
                var orgOrderCol = cache.normalized[0].length - 1;
                dynamicExp += "return a[" + orgOrderCol + "]-b[" + orgOrderCol + "];";

                for (var i = 0; i < l; i++) {
                    dynamicExp += "}; ";
                }

                dynamicExp += "return 0; ";
                dynamicExp += "}; ";

                eval(dynamicExp);

                cache.normalized.sort(sortWrapper);

                if (table.config.debug) {
                    benchmark("Sorting on " + sortList.toString() + " and dir " + order + " time:", sortTime);
                }

                return cache;
            }
            ;

            function sortText(a, b) {
                return ((a < b) ? -1 : ((a > b) ? 1 : 0));
            }
            ;

            function sortTextDesc(a, b) {
                return ((b < a) ? -1 : ((b > a) ? 1 : 0));
            }
            ;

            function sortNumeric(a, b) {
                return a - b;
            }
            ;

            function sortNumericDesc(a, b) {
                return b - a;
            }
            ;

            function getCachedSortType(parsers, i) {
                return parsers[i].type;
            }
            ;

            /* public methods */
            this.construct = function(settings) {

                return this.each(function() {

                    if (!this.tHead || !this.tBodies)
                        return;

                    var $this, $document, $headers, cache, config, shiftDown = 0, sortOrder;

                    this.config = {};

                    config = $.extend(this.config, $.tablesorter.defaults, settings);

                    // store common expression for speed					
                    $this = $(this);

                    // save the settings where they read
                    $.data(this, "tablesorter", config);

                    // build headers
                    $headers = buildHeaders(this);

                    // try to auto detect column type, and store in tables config
                    this.config.parsers = buildParserCache(this, $headers);


                    // build the cache for the tbody cells
                    cache = buildCache(this);

                    // get the css class names, could be done else where.
                    var sortCSS = [config.cssDesc, config.cssAsc];

                    // fixate columns if the users supplies the fixedWidth option
                    fixColumnWidth(this);

                    // apply event handling to headers
                    // this is to big, perhaps break it out?
                    $headers.click(function(e) {

                        $this.trigger("sortStart");

                        var totalRows = ($this[0].tBodies[0] && $this[0].tBodies[0].rows.length) || 0;

                        if (!this.sortDisabled && totalRows > 0) {


                            // store exp, for speed
                            var $cell = $(this);

                            // get current column index
                            var i = this.column;

                            // get current column sort order
                            this.order = this.count++ % 2;

                            // user only whants to sort on one column
                            if (!e[config.sortMultiSortKey]) {

                                // flush the sort list
                                config.sortList = [];

                                if (config.sortForce != null) {
                                    var a = config.sortForce;
                                    for (var j = 0; j < a.length; j++) {
                                        if (a[j][0] != i) {
                                            config.sortList.push(a[j]);
                                        }
                                    }
                                }

                                // add column to sort list
                                config.sortList.push([i, this.order]);

                                // multi column sorting
                            } else {
                                // the user has clicked on an all ready sortet column.
                                if (isValueInArray(i, config.sortList)) {

                                    // revers the sorting direction for all tables.
                                    for (var j = 0; j < config.sortList.length; j++) {
                                        var s = config.sortList[j], o = config.headerList[s[0]];
                                        if (s[0] == i) {
                                            o.count = s[1];
                                            o.count++;
                                            s[1] = o.count % 2;
                                        }
                                    }
                                } else {
                                    // add column to sort list array
                                    config.sortList.push([i, this.order]);
                                }
                            }
                            ;
                            setTimeout(function() {
                                //set css for headers
                                setHeadersCss($this[0], $headers, config.sortList, sortCSS);
                                appendToTable($this[0], multisort($this[0], config.sortList, cache));
                            }, 1);
                            // stop normal event by returning false
                            return false;
                        }
                        // cancel selection	
                    }).mousedown(function() {
                        if (config.cancelSelection) {
                            this.onselectstart = function() {
                                return false
                            };
                            return false;
                        }
                    });

                    // apply easy methods that trigger binded events
                    $this.bind("update", function() {

                        // rebuild parsers.
                        this.config.parsers = buildParserCache(this, $headers);

                        // rebuild the cache map
                        cache = buildCache(this);

                    }).bind("sorton", function(e, list) {

                        $(this).trigger("sortStart");

                        config.sortList = list;

                        // update and store the sortlist
                        var sortList = config.sortList;

                        // update header count index
                        updateHeaderSortCount(this, sortList);

                        //set css for headers
                        setHeadersCss(this, $headers, sortList, sortCSS);


                        // sort the table and append it to the dom
                        appendToTable(this, multisort(this, sortList, cache));

                    }).bind("appendCache", function() {

                        appendToTable(this, cache);

                    }).bind("applyWidgetId", function(e, id) {

                        getWidgetById(id).format(this);

                    }).bind("applyWidgets", function() {
                        // apply widgets
                        applyWidget(this);
                    });

                    if ($.metadata && ($(this).metadata() && $(this).metadata().sortlist)) {
                        config.sortList = $(this).metadata().sortlist;
                    }
                    // if user has supplied a sort list to constructor.
                    if (config.sortList.length > 0) {
                        $this.trigger("sorton", [config.sortList]);
                    }

                    // apply widgets
                    applyWidget(this);
                });
            };

            this.addParser = function(parser) {
                var l = parsers.length, a = true;
                for (var i = 0; i < l; i++) {
                    if (parsers[i].id.toLowerCase() == parser.id.toLowerCase()) {
                        a = false;
                    }
                }
                if (a) {
                    parsers.push(parser);
                }
                ;
            };

            this.addWidget = function(widget) {
                widgets.push(widget);
            };

            this.formatFloat = function(s) {
                var i = parseFloat(s);
                return (isNaN(i)) ? 0 : i;
            };
            this.formatInt = function(s) {
                var i = parseInt(s);
                return (isNaN(i)) ? 0 : i;
            };

            this.isDigit = function(s, config) {
                var DECIMAL = '\\' + config.decimal;
                var exp = '/(^[+]?0(' + DECIMAL + '0+)?$)|(^([-+]?[1-9][0-9]*)$)|(^([-+]?((0?|[1-9][0-9]*)' + DECIMAL + '(0*[1-9][0-9]*)))$)|(^[-+]?[1-9]+[0-9]*' + DECIMAL + '0+$)/';
                return RegExp(exp).test($.trim(s));
            };

            this.clearTableBody = function(table) {
                if ($.browser.msie) {
                    function empty() {
                        while (this.firstChild)
                            this.removeChild(this.firstChild);
                    }
                    empty.apply(table.tBodies[0]);
                } else {
                    table.tBodies[0].innerHTML = "";
                }
            };
        }
    });

    // extend plugin scope
    $.fn.extend({
        tablesorter: $.tablesorter.construct
    });

    var ts = $.tablesorter;


    /* 1iT Custom sorting */
    ts.addParser ({
        id: 'offbyone',
        is: function (text,table,node) { return false; },
        format: function (text,table,node) { return 1; },
        type: 'numeric'
    });

    ts.addParser ({
        id: 'sortkey',

        is: function (text,table,node) {
            return (node.getAttribute ("sortkey") ? true : false);
        },

        format: function (text,table,node) {
            return parseFloat(node.getAttribute("sortkey"));
        },

        type: 'numeric'
    });

    ts.addParser ({
        id: 'sortcontent',

        is: function (text,table,node) {
            return ($(node).find('.sortcontent').length > 0);
        },

        format: function (text,table,node) {
            return $(node).find('.sortcontent').text();
        },

        type: 'text'
    });

    ts.addParser ({
        id: 'input_text',

        is: function (text,table,node) {
            return ($(node).find('input').length > 0);
        },

        format: function (text,table,node) {
            return $.trim($(node).find('input').val());
        },
        type: 'text'
    });

    ts.addParser ({
        id: 'input_digit',

        is: function (text,table,node) {
            return ($(node).find('input').length > 0);
        },

        format: function (text,table,node) {
            return $.tablesorter.formatFloat($(node).find('input').val());
        },

        type: 'numeric'
    });
    /* END 1iT Custom sorting */


    // add default parsers
    ts.addParser({
        id: "text",
        is: function(s) {
            return true;
        },
        format: function(s) {
            return $.trim(s.toLowerCase());
        },
        type: "text"
    });

    ts.addParser({
        id: "digit",
        is: function(s, table) {
            var c = table.config;
            return $.tablesorter.isDigit(s, c);
        },
        format: function(s) {
            return $.tablesorter.formatFloat(s);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "currency",
        is: function(s) {
            return /^[Â£$â‚¬?.]/.test(s);
        },
        format: function(s) {
            return $.tablesorter.formatFloat(s.replace(new RegExp(/[^0-9.]/g), ""));
        },
        type: "numeric"
    });

    ts.addParser({
        id: "ipAddress",
        is: function(s) {
            return /^\d{2,3}[\.]\d{2,3}[\.]\d{2,3}[\.]\d{2,3}$/.test(s);
        },
        format: function(s) {
            var a = s.split("."), r = "", l = a.length;
            for (var i = 0; i < l; i++) {
                var item = a[i];
                if (item.length == 2) {
                    r += "0" + item;
                } else {
                    r += item;
                }
            }
            return $.tablesorter.formatFloat(r);
        },
        type: "numeric"
    });

    ts.addParser({
        id: "url",
        is: function(s) {
            return /^(https?|ftp|file):\/\/$/.test(s);
        },
        format: function(s) {
            return jQuery.trim(s.replace(new RegExp(/(https?|ftp|file):\/\//), ''));
        },
        type: "text"
    });

    ts.addParser({
        id: "isoDate",
        is: function(s) {
            return /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(s);
        },
        format: function(s) {
            return $.tablesorter.formatFloat((s != "") ? new Date(s.replace(new RegExp(/-/g), "/")).getTime() : "0");
        },
        type: "numeric"
    });

    ts.addParser({
        id: "percent",
        is: function(s) {
            return /\%$/.test($.trim(s));
        },
        format: function(s) {
            return $.tablesorter.formatFloat(s.replace(new RegExp(/%/g), ""));
        },
        type: "numeric"
    });

    ts.addParser({
        id: "usLongDate",
        is: function(s) {
            return s.match(new RegExp(/^[A-Za-z]{3,10}\.? [0-9]{1,2}, ([0-9]{4}|'?[0-9]{2}) (([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(AM|PM)))$/));
        },
        format: function(s) {
            return $.tablesorter.formatFloat(new Date(s).getTime());
        },
        type: "numeric"
    });

    ts.addParser({
        id: "shortDate",
        is: function(s) {
            return /\d{1,2}[\/\-]\d{1,2}[\/\-]\d{2,4}/.test(s);
        },
        format: function(s, table) {
            var c = table.config;
            s = s.replace(/\-/g, "/");
            if (c.dateFormat == "us") {
                // reformat the string in ISO format
                s = s.replace(/(\d{1,2})[\/\-](\d{1,2})[\/\-](\d{4})/, "$3/$1/$2");
            } else if (c.dateFormat == "uk") {
                //reformat the string in ISO format
                s = s.replace(/(\d{1,2})[\/\-](\d{1,2})[\/\-](\d{4})/, "$3/$2/$1");
            } else if (c.dateFormat == "dd/mm/yy" || c.dateFormat == "dd-mm-yy") {
                s = s.replace(/(\d{1,2})[\/\-](\d{1,2})[\/\-](\d{2})/, "$1/$2/$3");
            }
            return $.tablesorter.formatFloat(new Date(s).getTime());
        },
        type: "numeric"
    });

    ts.addParser({
        id: "time",
        is: function(s) {
            return /^(([0-2]?[0-9]:[0-5][0-9])|([0-1]?[0-9]:[0-5][0-9]\s(am|pm)))$/.test(s);
        },
        format: function(s) {
            return $.tablesorter.formatFloat(new Date("2000/01/01 " + s).getTime());
        },
        type: "numeric"
    });


    ts.addParser({
        id: "metadata",
        is: function(s) {
            return false;
        },
        format: function(s, table, cell) {
            var c = table.config, p = (!c.parserMetadataName) ? 'sortValue' : c.parserMetadataName;
            return $(cell).metadata()[p];
        },
        type: "numeric"
    });

    // add default widgets
    ts.addWidget({
        id: "zebra",
        format: function(table) {
            if($(table).hasClass('noZebra'))
            {
                return;
            }
            if (table.config.debug) {
                var time = new Date();
            }
            var $tr, row = -1, odd;
            // loop through the visible rows
            $("tr:visible", table.tBodies[0]).each(function(i) {
                $tr = $(this);
                // style children rows the same way the parent row was styled
                if (!$tr.hasClass(table.config.cssChildRow))
                    row++;
                odd = (row % 2 == 0);
                $tr.removeClass(table.config.widgetZebra.css[odd ? 0 : 1]).addClass(table.config.widgetZebra.css[odd ? 1 : 0])
            });
            if (table.config.debug) {
                $.tablesorter.benchmark("Applying Zebra widget", time);
            }
        }
    });
    
    /* 1iT Custom widget */
    ts.addWidget({
        id: 'filterWidget',
        format: function(table)
        {
            if ($(table).hasClass('noFilter'))
            {
                return;
            }

            var theTHead = $(table).children("thead");
            var theFilterRow = "";
            var filterConfig = table.config.filterWidget ? table.config.filterWidget : {};
            var filterColumns = filterConfig.columns ? filterConfig.columns : {};
            var anyFilters = false;

            if (theTHead.find(".filterWidget").size() > 0)
            {
                return;
            }

            theTHead.find("th").each(function(index, domElement) {
                if (!$(domElement).is(":visible"))
                {
                    return;
                }

                theFilterRow += "<th>";

                if (filterColumns[index] && filterColumns[index].noFilter)
                {
                    theFilterRow += "&nbsp;"
                }
                else if (filterColumns[index] && filterColumns[index].options)
                {
                    var options = filterColumns[index].options;

                    theFilterRow += "<select position='" + index + "'><option></option>";
                    for (var option in options)
                    {
                        theFilterRow += "<option value='" + option + "'>" + options[option] + "</option>";
                    }

                    theFilterRow += "</select>";
                    anyFilters = true;
                }
                else
                {
                    theFilterRow += "<input position='" + index + "' type='text'>";
                    anyFilters = true;
                }

                theFilterRow += "</th>";
            });

            if (!anyFilters)
            {
                return;
            }

            theTHead.append("<tr class='filterWidget'>" + theFilterRow + "</tr>");

            var theInputs = theTHead.find(".filterWidget input, .filterWidget select");
            var filterRows = function(event) {
                var filter = {};

                theInputs.each(function(index, domElement) {
                    if ($(domElement).val())
                    {
                        $(domElement).parent("th").addClass("filtering");
                        filter[domElement.getAttribute("position")] = $(domElement).val().toUpperCase();
                    }
                    else
                    {
                        $(domElement).parent("th").removeClass("filtering");
                    }
                });

                $(table).children("tbody").children("tr").each(function(index, domElement) {
                    var showRow = true;

                    if (!$(domElement).hasClass('noFilter'))
                    {
                        for (var position in filter)
                        {
                            // this filters on the html, so will show things inside links, id's etc
                            // would be better to filter on just the text version
                            var cellText = domElement.cells[position].innerHTML.toUpperCase();

                            if (cellText.indexOf(filter[position]) < 0)
                            {
                                showRow = false;
                                break;
                            }
                        }
                    }

                    domElement.style.display = (showRow ? '' : 'none');
                });
            };

            theInputs.keyup(filterRows);
            theInputs.change(filterRows);
            
            // no form submission on return
            // escape clears the filter
            theInputs.keydown(function(e)
                {
                    if(e.which == '13' || e.keyCode == '13') 
                    { 
                        e.preventDefault();
                    }
                    else if(e.which == '27' || e.keyCode == '27')
                    {
                        // clear on escape
                        $(e.target).val('');
                        e.preventDefault();
                    }
                });
        }
    });

    /* END 1iT Custom widget */

    
    // Widget: Static Rows
    
    ts.addWidget({
        // Give the new Widget an ID to be used in the tablesorter() call, as follows:
        // $('#myElement').tablesorter({ widgets: ['zebra','staticRow'] });
        id: 'staticRow',
        // "Format" is run on all widgets once when the tablesorter has finished initialising,
        // and then again every time a sort has finished.
        format: function(table) {

            // Use a property of the function to determine
            // whether this is the first run of "Format"
            // (i.e. is this the table's default starting position,
            //  or has it been sorted?)
            if (typeof $(table).data('hasSorted') == 'undefined')
            {
                $(table).data('hasSorted', true); // This will force us into the "else" block the next time "Format" is run

                // "Index" the static rows, saving their current (starting)
                // position in the table inside a data() param on the
                // <tr> element itself for later use.
                $('tbody .static', table).each(function() {
                    $(this).data('tableindex', $(this).index());
                });
            }
            else
            {
                // Loop the static rows, moving them to their
                // original "indexed" position, and keep doing
                // this until no more re-shuffling needs doing
                var hasShuffled = true;

                while (hasShuffled)
                {
                    hasShuffled = false;
                    $('tbody .static', table).each(function() {
                        var targetIndex = $(this).data('tableindex');
                        if (targetIndex != $(this).index())
                        {
                            hasShuffled = true;
                            var thisRow = $(this).detach();
                            var numRows = $('tbody tr', table).length;

                            // Are we trying to be the last row?
                            if (targetIndex >= numRows)
                            {
                                thisRow.appendTo($('tbody', table));
                            }
                            // Are we trying to be the first row?
                            else if (targetIndex == 0)
                            {
                                thisRow.prependTo($('tbody', table));
                            }
                            // No, we want to be somewhere in the middle!
                            else
                            {
                                thisRow.insertBefore($('tbody tr:eq(' + targetIndex + ')', table));
                            }
                        }
                    });
                }
            }

        }
    });

// **************************  
    
    
 

})(jQuery);
