var page = "include/archief.php?p=ajax";

function ajax(url,target)
 	{

		// native XMLHttpRequest object
	   document.getElementById(target).innerHTML = 'Berichten laden... <br /><img src="http://www.diskbootfailure.nl/images/ajax-loader.gif" alt="">';
	   
	   if (window.XMLHttpRequest)
			{
				req = new XMLHttpRequest();
				req.onreadystatechange = function() {ajaxDone(target);};
				req.open("GET", url, true);
				req.send(null);
				 // IE/Windows ActiveX version
			}
		else if (window.ActiveXObject)
			{
				req = new ActiveXObject("Microsoft.XMLHTTP");
				
				if(req)
					{
						req.onreadystatechange = function() {ajaxDone(target);};
						req.open("GET", url, true);
						req.send();
					}
			 }
			 
		setTimeout("ajax(page,'shout')", 25000);
	}

function ajaxDone(target)
	{
		// only if req is "loaded"
		if (req.readyState == 4)
			{
				// only if "OK"
				if (req.status == 200 || req.status == 304)
					{
						results = req.responseText;
						document.getElementById(target).innerHTML = results;
					}
				else
					{
						document.getElementById(target).innerHTML="ajax error:\n" +
						req.statusText;
					}
		}	
	}