var xmlHttp;

function setCookie(c_name,value,expiredays){
		var exdate=new Date();
		exdate.setDate(exdate.getDate()+expiredays);
		document.cookie=c_name+ "=" +escape(value)+((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name){
  var results = document.cookie.match ( '(^|;) ?' + c_name + '=([^;]*)(;|$)' );

  if(results){
    return ( unescape ( results[2] ) );
  }
  else{
    return null;
  }
}

function checkCookie(){
		voted=getCookie('voted');
		if (voted!=null && voted!=""){
				getVote(0);
		}	
}

function getVote(int)
{
	if(int > 0){
			setCookie('voted',voted,365);
	}
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request");
 return;
 } 
var url="poll_vote.php";
url=url+"?vote="+int;
url=url+"&sid="+Math.random();
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;
}