var xmlhttp;

function getVote(id)
{
 var i; 
 for (i=0;i<document.form_poll.radio_poll.length;i++){
 
    if (document.form_poll.radio_poll[i].checked) 
    break; 
} 
vote = document.form_poll.radio_poll[i].value;

xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="poll_vote.php";
url=url+"?vote="+vote;
url=url+"&id="+id;
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function showVote(id)
{

xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="poll_vote.php";
url=url+"?vote=0";
url=url+"&id="+id;
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged()
{
  if (xmlhttp.readyState==4)
  {
  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;
}