var xmlHttp

function getVote()
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
var url="poll_vote.php"
var poll_id=parseInt(document.getElementById("poll_id").value)
var poll_vote=null
url=url+"?poll_id="+poll_id

for (i=49;i<53;i++) 
{
	var elem="poll_vote"+i;
	var chk=document.getElementById(elem).checked;
	if (chk==true) 
	{
		poll_vote=i;
		url=url+"&poll_vote="+poll_vote;
	}
}



xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
} 

function stateChanged() 
{ 
 if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
 document.getElementById("poll").
 innerHTML=xmlHttp.responseText;
 } 
} 

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