var moodzt = "0";
var xmlHttp;
var i ;
function getVote(int)
{
			if(moodzt == "1") 
			{
				alert("您已经投过票了!");
				return;
			}
			xmlHttp=GetXmlHttpObject()
			if (xmlHttp==null)
			 {
			 alert ("Browser does not support HTTP Request")
			 return
			 } 
			i = int;
			xmlHttp.onreadystatechange=stateChanged 
			xmlHttp.open("GET","vote.php?id="+int,true)
			xmlHttp.send(null)
			moodzt = "1";
} 

function stateChanged() 
{ 
		 if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
		 { 
				 document.getElementById("votenum"+i).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
}