//Javascript Document
var xmlHttp;
var date;
function UpdateHttpRequest(handler){
	var httpRequest=null;
	if(window.XMLHttpRequest) httpRequest=new XMLHttpRequest();
	else if(window.ActiveXObject){
		var msxmls=["Microsoft.XMLHttp",
		    "MSXML2.XMLHttp.6.0",
		    "MSXML2.XMLHttp.5.0",
		    "MSXML2.XMLHttp.4.0",
		    "MSXML2.XMLHttp.3.0",
		    "MSXML2.XMLHttp"];
		for(var i=0;i<msxmls.length;i++){
			try{
				httpRequest=new ActiveXObject(msxmls[i]);
				break;
			}catch(e){
				return null;
			}
		}
	}
	httpRequest.onreadystatechange=handler;
	return httpRequest;
}

function makeRequest(httpRequest,url){
	httpRequest.open("POST",url,true);
	httpRequest.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	var postData="date="+date;
	//alert(postData);
	httpRequest.send(postData);
}

function setdate(){
	if(xmlHttp.readyState==4) return;
}

function ajaxUpdate(obj){
	date=obj;
	xmlHttp=UpdateHttpRequest(setdate);
	if(xmlHttp!=null){
		//alert(xmlHttp);
		var url="advhit.php";
		var rand=parseInt(Math.random()*999999999);
		url+="?rand="+rand;
		makeRequest(xmlHttp,url);
	}
}