var xmlHttp
var numIteration=0;

function funload()
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
 	{
		alert ("Browser does not support HTTP Request")
	return
	}	
	var randnum = new Date().getTime();
	var url="ajax.php?ite=" + numIteration;
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null);
	numIteration = numIteration + 1;
	setTimeout("funload()",3000);
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
		document.getElementById("divcounter").innerHTML=xmlHttp.responseText
		xmlHttp=null; 
	} 
}

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
 	//Internet Explorer
 	
	try
  	{
  	xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  	}
 	catch (e)
  	{
  	xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  	}
 	}
	return xmlHttp;
}