用于table内容排序

      <td align="center">22/05/1995</td>
    </tr>
  </tbody>
</table>
<p><a href="http://www.flaspx.com/weblog" target="_blank">Alpha's blog</a></p>
</body>
</html>

addEvent(window, "load", sortables_init);

var SORT_COLUMN_INDEX;

function sortables_init() {
    // 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);
        }
    }
}

function ts_makeSortable(table) {
    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>';
    }
}

function ts_getInnerText(el) {
 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;
}

function ts_resortTable(lnk,clid) {
    // 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];