JavaScript對Table進行排序（jQuery）

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>StripingTable</title>
<script src="jquery-1.2.1.js" type="text/javascript"></script>
<script src="jquery.tablesorter.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
  formatTable("tb");
});

//var sortCol;
var storeTable = {
  sortCol:null,
  storeTableByColIndex:function(sTableId,colIndex,sType){
   var oTable = $("#" + sTableId);
   var trList = oTable.find("tbody>tr");
   var arrTr = trList.get();

   if(storeTable.sortCol==colIndex){
    arrTr.reverse();
   }
   else {
    arrTr.sort(storeTable.generateCompareTrs(colIndex,sType));
   }
   oTable.find("tbody").html($(arrTr));

   storeTable.sortCol = colIndex;
   formatTable(sTableId);//格式化Table
  },
  convert:function(sValue,sDataType){
   switch(sDataType)
   {
    case "int":
     return parseInt(sValue,10);
     break;
    case "float":
     return parseFloat(sValue);
     break;
    case "date":
     return new Date(Date.parse(sValue));
     break;
    default:
     return sValue.toString();
   }
  },
  generateCompareTrs:function(iCol,sDataType){
   return function compareTrs(oTr1,oTr2)
   {
    var vValue1 = storeTable.convert(oTr1.children[iCol].innerText,sDataType);
    var vValue2 = storeTable.convert(oTr2.children[iCol].innerText,sDataType);
    if(vValue1 < vValue2)
    {
     return -1;
    }
    else if(vValue1> vValue2)
    {
     return 1;
    }
    else
    {
     return 0;
    }
   }
  }
}