function request(page,isDefault) {
		var url='index.php?sel=../webknecht/internetauftritt/neuigkeiten.php&mode=ajax&rubrik_id='+page;
		if(!isDefault) {
			url=page;
		}
		
		new Ajax.Updater (			
			'content_wl',
			url, 
			{
				onCreate: function() {
					loader();
				},
				
				onComplete: function(transport) {					
					initLightbox();				
					/* var reScripts = new RegExp("<script[^>]*>((.|\n|\r)*)<\/script>", "ig");
            		var Scripts;
            		while (Scripts = reScripts.exec(transport.responseText))
            		{
              			eval(Scripts[1]);
            		}	
					*/
					unloader();
				}	
				
			}
		);
	}

   function loader() {  
       /* Breite und Höhe des Maskierungs-DIV's auslesen */  
       var divH = document.getElementById('content_wl').offsetHeight;  
       var divW = document.getElementById('content_wl').offsetWidth;  
     
       /* Linke und obere Position des Loader GIF berechnen und setzen */  
      var imgTop = (divH / 2) - (document.getElementById('loadergif').height / 2);  
      var imgLeft = (divW / 2) - (document.getElementById('loadergif').width / 2);  
       document.getElementById('loadergif').style.left = imgLeft;  
       document.getElementById('loadergif').style.top = imgTop;  
     
       /* dislay="hidden" vom Bild löschen */  
       document.getElementById('loadergif').style.display = "";  
     
       /* den transparenten DIV einblenden und höhe und breite setzen */  
       document.getElementById('loader').style.width = divW + "px";  
       document.getElementById('loader').style.height = divH + "px";  
       document.getElementById('loader').style.display = "";  
   }  
     
   function unloader() {  
       /* alles zurücksetzen und ausblenden */  
  	     document.getElementById('loader').style.width = "0px";  
  	    document.getElementById('loader').style.height = "0px";  
  	     document.getElementById('loader').style.display = "none";  
	     document.getElementById('loadergif').style.display = "none";  
  		}