javascript表格导出Excel

var idTmr = "";
function Cleanup() {
window.clearInterval(idTmr);
CollectGarbage();
}
function AutomateExcel()
{
var oXL = new ActiveXObject("Excel.Application");
oXL.DisplayAlerts = false
var oWB = oXL.Workbooks.Add();
var oSheet = oWB.ActiveSheet;
var htmlTable = document.all.outtable;
var hang = htmlTable.rows.length;

var lie = htmlTable.rows(0).cells.length-1;

for (i=0;i<hang;i++)
{
for (j=0;j<lie;j++)
{
oSheet.Cells(i+1,j+1).value = htmlTable.rows(i).cells(j+1).innerText;
}

}
oXL.Visible = true;
oXL.UserControl = false;
oXL = null;
idTmr = window.setInterval("Cleanup();",1);
}