var xmlHttp

 
function do_download(dlds,id)
{
//    alert (dlds+" "+id)
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request")
return
} 
var url="/do_download.php"

url=url+"?dlds="+dlds+"&id="+id+"&sid="+Math.random()
//alert (url)
xmlHttp.open("GET",url,true)
xmlHttp.send(null);
}
function stateChanged() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
document.getElementById("rating_text").innerHTML=xmlHttp.responseText 
//alert('hgfhgf');
} 
} 

function GetXmlHttpObject()
{ 
var objXMLHttp=null
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest()
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
}
return objXMLHttp
}