function preloadImages(elem)
{
	var http_request = null;
	if(window.XMLHttpRequest)
		http_request = new XMLHttpRequest();
	else if(window.ActiveXObject)
		http_request = new ActiveXObject("Microsoft.XMLHTTP");
	/*
	var ladeBilderMessage = "Bilder laden<br />.";
	document.getElementById(elem).innerHTML = ladeBilderMessage;

	var loadInterval = null;
	if(http_request.readyState!=4)
		loadInterval = window['set'+'Interval'](function() {ladeBilderMessage=ladeBilderMessage+".";document.getElementById(elem).innerHTML = ladeBilderMessage;}, 500);
	*/
	
	http_request.onreadystatechange = function()
	{
		if(http_request.readyState == 4)
		{
			/*window.clearInterval(loadInterval);*/
			if(http_request.status == 200)
			{
				document.getElementById(elem).innerHTML = http_request.responseText;
			}
			else
			{
				alert("Error code "+http_request.status);
			}
		}
	}
	var url = "de/scripts/preload_images.php";
		
	http_request.open("GET",url,true);
	http_request.setRequestHeader('Connection','close');
	http_request.send(null);
}