// JavaScript Document

var xmlHttp
function valButton(btn) {
    var cnt = -1;
    for (var i=btn.length-1; i > -1; i--) {
        if (btn[i].checked) {cnt = i; i = -1;}
    }
    if (cnt > -1) return btn[cnt].value;
    else return null;
}

function poll()
{
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
 var btn = valButton(document.myform.rdpoll);
	if (btn == null) 
	{
	alert('No radio button selected');
	return false;
	
	}
for (var i=0; i < document.myform.rdpoll.length; i++)
   {
   if (document.myform.rdpoll[i].checked)
      {
      var vote = document.myform.rdpoll[i].value;
      }
   }
pollid=document.myform.pollid.value;
var url="includes/poll_vote.php"
url=url+"?vote="+vote
url=url+"&pollid="+pollid
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
}