var offimg = new Array();
		      offimg["home"] = new Image;
			  offimg["home"].src = "img/home1.gif";
			  offimg["about"] = new Image;
			  offimg["about"].src = "img/about1.gif";
			  offimg["works"] = new Image;
			  offimg["works"].src = "img/works1.gif";
			  offimg["beispiele"] = new Image;
			  offimg["beispiele"].src = "img/beispiele1.gif";
			  offimg["preise"] = new Image;
			  offimg["preise"].src = "img/preise1.gif";
			  offimg["specials"] = new Image;
			  offimg["specials"].src = "img/specials1.gif";
			  offimg["events"] = new Image;
			  offimg["events"].src = "img/events1.gif";
			  offimg["links"] = new Image;
			  offimg["links"].src = "img/links1.gif";
			  offimg["kontakt"] = new Image;
			  offimg["kontakt"].src = "img/kontakt1.gif";
			  offimg["impressum"] = new Image;
			  offimg["impressum"].src = "img/impressum1.gif";
			  
	      var onimg = new Array();
		      onimg["home"] = new Image;
			  onimg["home"].src = "img/home2.gif";
			  onimg["about"] = new Image;
			  onimg["about"].src = "img/about2.gif";
			  onimg["works"] = new Image;
			  onimg["works"].src = "img/works2.gif";
			  onimg["beispiele"] = new Image;
			  onimg["beispiele"].src = "img/beispiele2.gif";
			  onimg["preise"] = new Image;
			  onimg["preise"].src = "img/preise2.gif";
			  onimg["specials"] = new Image;
			  onimg["specials"].src = "img/specials2.gif";
			  onimg["events"] = new Image;
			  onimg["events"].src = "img/events2.gif";
			  onimg["links"] = new Image;
			  onimg["links"].src = "img/links2.gif";
			  onimg["kontakt"] = new Image;
			  onimg["kontakt"].src = "img/kontakt2.gif";
			  onimg["impressum"] = new Image;
			  onimg["impressum"].src = "img/impressum2.gif";
         
			  
     function rollon(img, act) {
	                
					 if (act == 0) {
					  document.images[img].src = onimg[img].src;
					 }
					}
					
	 function rolloff(img, act) {
	                if (act == 0) {
	                  document.images[img].src = offimg[img].src;
					  }
					}