var base = "../img/";
          	

	img1on = new Image();   img1on.src = base + "nav1_on.gif"; 
	img2on = new Image();   img2on.src = base + "nav2_on.gif";
	img3on = new Image();   img3on.src = base + "nav3_on.gif";
	img4on = new Image();   img4on.src = base + "nav4_on.gif";
	img5on = new Image();   img5on.src = base + "nav5_on.gif"; 
		

	img1off = new Image();  img1off.src = base + "nav1_off.gif";
	img2off = new Image();  img2off.src = base + "nav2_off.gif";
	img3off = new Image();  img3off.src = base + "nav3_off.gif";
	img4off = new Image();  img4off.src = base + "nav4_off.gif";
	img5off = new Image();  img5off.src = base + "nav5_off.gif";
	
	
	function imgOn(imgName)  {
		if (document.images) 
			{document[imgName].src = eval(imgName + "on.src");
		}
	}
	
	function imgOff(imgName) {
		if (document.images) {
			document[imgName].src = eval(imgName + "off.src");
		}
	}



function laden(URL1,URL2) {
			parent.topnav.location.href=URL1;
			parent.main.location.href=URL2;	
			//var z=parseInt(Math.random()*3+1);
			//var URL3="banner" +z+".html";
			//parent.Banner.location.href=URL3;
		}