// JavaScript Document
function downloadExcel()
{
// calling api if successfully got results
if(window.XMLHttpRequest)
{
xmlhttp=new XMLHttpRequest();
}
else
{
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if(this.readyState==4 && this.status==200)
{
alert("File Downloaded");
}
};
xmlhttp.open("GET","excel.php",true);
xmlhttp.send();
}