又是JS问题,帮帮忙

现在想用JS来导出输入到Excel里面,但是老是创建实例的时候就出错了,大家帮忙看看啊(我装的OFFICE是2003的)
function LoadToExcel()
    {
      try
         {
            var ExcleObject =new ActiveXObject("Excel.Application");
         }
       catch(e)
         {
            alert("Error");
            return;
         }
         ExcleObject.visible=true;
         var ExcleBook =ExcleObject.Workbooks.Add;
         var ExcleSheet =ExcleBook.Worksheets(1);
         ExcleSheet.Range(ExcleSheet.Cells(1,1),ExcleSheet.Cells(1,2)).mergecells =true;
         ExcleSheet.Range(ExcleSheet.Cells(1,1),ExcleSheet.Cells(1,2)).Value="The Numbers of Created Lots";
         ExcleSheet.Cells(2,1).Value="LotID";
         ExcleSheet.Cells(2,2).Value="Wafer Numers";
         ExcleObject.UserControl =true;
         ExcleObject=null;
         ExcleBook=null;
         ExcleSheet=null;在线等啊!!!