var XObj=false;
function createObj()
{
	
	if(window.XMLHttpRequest)
	{
	XObj=new XMLHttpRequest();
	}else if(window.ActiveXObject)
	{
		try{
				XObj=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e){
				try{
					XObj=new ActiveXObject("Microsoft.XMLHTTP");
				}catch(e){
				alert("Your Browser Does Not Support Ajax");
				}
		}
	}else{
	alert("Browser Does Not Support Ajax Object");
	}
	if(XObj)
	{
		XObj.onreadystatechange=handleResponse;
	}

}

function handleResponse()
{
	try{
		if(XObj.readyState==4)
		{
			document.getElementById("textBox").innerHTML=XObj.responseText;
			XObj=null;
		}
	}catch(e)
	{
	}

}
function sendRequest()
{   createObj();
	if(XObj)
	{
		url="timezone.php";
		XObj.open("POST",url,true);
		//XObj.setRequestHeader("Content-type", "application/x-www-form-URLencoded");
		//XObj.setRequestHeader("Connection", "close");
		XObj.send(url);
	}
	setTimeout("sendRequest();",1000);
}
sendRequest();