用于table内容排序

　　// Find all tables with class sortable and make them sortable

　　if (!document.getElementsByTagName) return;

　　tbls = document.getElementsByTagName("table");

　　for (ti=0;ti<tbls.length;ti++) {

　　thisTbl = tbls[ti];

　　if (((' '+thisTbl.className+' ').indexOf("sortable") != -1) && (thisTbl.id)) {

　　//initTable(thisTbl.id);

　　ts_makeSortable(thisTbl);

　　}

　　}

　　if (table.rows && table.rows.length > 0) {

　　var firstRow = table.rows[0];

　　}

　　if (!firstRow) return;

　　// We have a first row: assume it's the header, and make its contents clickable links

　　for (var i=0;i<firstRow.cells.length;i++) {

　　var cell = firstRow.cells[i];

　　var txt = ts_getInnerText(cell);

　　cell.innerHTML = '<a href="#" class="sortheader" '+

　　'onclick="ts_resortTable(this, '+i+');return false;">' +

　　txt+'<span class="sortarrow"></span></a>';

　　}

　　if (typeof el == "string") return el;

　　if (typeof el == "undefined") { return el };

　　if (el.innerText) return el.innerText; //Not needed but it is faster

　　var str = "";

　　var cs = el.childNodes;

　　var l = cs.length;

　　for (var i = 0; i < l; i++) {

　　switch (cs[i].nodeType) {

　　case 1: //ELEMENT_NODE

　　str += ts_getInnerText(cs[i]);

　　break;

　　case 3: //TEXT_NODE

　　str += cs[i].nodeValue;

　　break;

　　}

　　}

　　return str;

　　// get the span

　　var span;

　　for (var ci=0;ci<lnk.childNodes.length;ci++) {

　　if (lnk.childNodes[ci].tagName && lnk.childNodes[ci].tagName.toLowerCase() == 'span') span = lnk.childNodes[ci];

　　}

　　var spantext = ts_getInnerText(span);

　　var td = lnk.parentNode;

　　var column = clid || td.cellIndex;

　　var table = getParent(td,'TABLE');

　　// Work out a type for the column

　　if (table.rows.length <= 1) return;

　　var itm = ts_getInnerText(table.rows[1].cells[column]);

　　sortfn = ts_sort_caseinsensitive;

　　if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d\d\d$/)) sortfn = ts_sort_date;

　　if (itm.match(/^\d\d[\/-]\d\d[\/-]\d\d$/)) sortfn = ts_sort_date;

　　if (itm.match(/^[$]/)) sortfn = ts_sort_currency;

　　if (itm.match(/^[\d\.]+$/)) sortfn = ts_sort_numeric;

　　SORT_COLUMN_INDEX = column;

　　var firstRow = new Array();

　　var newRows = new Array();

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

　　ARROW = '↑';

　　newRows.reverse();

　　span.setAttribute('sortdir','up');

　　} else {

　　ARROW = '↓';

　　span.setAttribute('sortdir','down');

　　}

　　// We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones

　　// don't do sortbottom rows

　　for (i=0;i<newRows.length;i++) { if (!newRows[i].className || (newRows[i].className && (newRows[i].className.indexOf('sortbottom') == -1))) table.tBodies[0].appendChild(newRows[i]);}

　　// do sortbottom rows only

　　for (i=0;i<newRows.length;i++) { if (newRows[i].className && (newRows[i].className.indexOf('sortbottom') != -1)) table.tBodies[0].appendChild(newRows[i]);}

　　// Delete any other arrows there may be showing

　　var allspans = document.getElementsByTagName("span");

　　for (var ci=0;ci<allspans.length;ci++) {

　　if (allspans[ci].className == 'sortarrow') {

　　if (getParent(allspans[ci],"table") == getParent(lnk,"table")) { // in the same table as us?

　　allspans[ci].innerHTML = '';

　　}

　　}

　　}

　　span.innerHTML = ARROW;

　　if (el == null) return null;

　　else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase()) // Gecko bug, supposed to be uppercase

　　return el;

　　else

　　return getParent(el.parentNode, pTagName);

　　}

　　function ts_sort_date(a,b) {

　　// y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX

　　aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);

　　bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);

　　if (aa.length == 10) {

　　dt1 = aa.substr(6,4)+aa.substr(3,2)+aa.substr(0,2);

　　} else {

　　yr = aa.substr(6,2);

　　if (parseInt(yr) < 50) { yr = '20'+yr; } else { yr = '19'+yr; }

　　dt1 = yr+aa.substr(3,2)+aa.substr(0,2);

　　}

　　if (bb.length == 10) {

　　dt2 = bb.substr(6,4)+bb.substr(3,2)+bb.substr(0,2);

　　} else {

　　yr = bb.substr(6,2);

　　if (parseInt(yr) < 50) { yr = '20'+yr; } else { yr = '19'+yr; }

　　dt2 = yr+bb.substr(3,2)+bb.substr(0,2);

　　}

　　if (dt1==dt2) return 0;

　　if (dt1<dt2) return -1;

　　return 1;

　　aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');

　　bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).replace(/[^0-9.]/g,'');

　　return parseFloat(aa) - parseFloat(bb);

　　aa = parseFloat(ts_getInnerText(a.cells[SORT_COLUMN_INDEX]));

　　if (isNaN(aa)) aa = 0;

　　bb = parseFloat(ts_getInnerText(b.cells[SORT_COLUMN_INDEX]));

　　if (isNaN(bb)) bb = 0;

　　return aa-bb;

　　aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).toLowerCase();

　　bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).toLowerCase();

　　if (aa==bb) return 0;

　　if (aa<bb) return -1;

　　return 1;

　　aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);

　　bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);

　　if (aa==bb) return 0;

　　if (aa<bb) return -1;

　　return 1;

　　function addEvent(elm, evType, fn, useCapture)

　　// addEvent and removeEvent

　　// cross-browser event handling for IE5+,  NS6 and Mozilla

　　// By Scott Andrew

　　{

　　if (elm.addEventListener){

　　elm.addEventListener(evType, fn, useCapture);

　　return true;

　　} else if (elm.attachEvent){

　　var r = elm.attachEvent("on"+evType, fn);

　　return r;

　　} else {

　　alert("Handler could not be removed");

　　}

　　}