var timer;
    var sponsors = null;
    var nr = 0;

    window.onload = function(){
        
        sponsors = new Array("vb_ruhrmitte", "sparkasse_gladbeck", "ele", "gelsennet", "rww", "restaurant_vitali", "stauder");
	sls = new Array("vb-ruhrmitte.de", "sparkasse-gladbeck.de", "ele.de", "gelsen-net.de", "rww.de", "vitali-feinkost.com", "stauder.de");
        
	mainLoop();
        timer = window.setInterval("mainLoop()", 5000);
        
    }

    function mainLoop(){
        	
        document.getElementById("spon").src = "./img/content/sponsoren/"+sponsors[nr]+".jpg";
	document.getElementById("sl").href = "http://www."+sls[nr];
        if (++nr >= sponsors.length){
			nr = 0;
	}
        
    }