function loadurl() { 
	
	var request;

	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
		request = new XMLHttpRequest();
		if (request.overrideMimeType) {
			request.overrideMimeType('text/xml');
		}
	} 
	else if (window.ActiveXObject) { // IE
		try {
			request = new ActiveXObject("Msxml2.XMLHTTP");
		} 
		catch (e) {
			try {
				request = new ActiveXObject("Microsoft.XMLHTTP");
			} 
			catch (e) {}
		}
	}

	if (!request) {
		alert('Giving up :( Cannot create an XMLHTTP instance');
		return false;
	}

	request.onreadystatechange = function() { triggered(); };
	request.open("GET", "status.php",true);
	request.setRequestHeader( "If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT" ); 
	request.send(null);

	function triggered() {
				
		if (request.readyState == 4) {
			if (request.status == 200) {
				document.getElementById("status").innerHTML = request.responseText;
				setTimeout('loadurl()',30000);
			}
		}
		else {
			document.getElementById("status").innerHTML = "<div align=\"center\"><b>Refreshing</b><br /><img src=\"images/loader.gif\" alt=\"loading\"";
		}
	}
}
window.onload(setTimeout( "loadurl()", 30000 ));