var dis='';
	  function hiLite(imgDocID,imgname)
	  {
	  	var obj = document.getElementById(imgDocID);
		obj.src = 'images/' + imgname + '.png';
      }
	  
	// preload images
	home=new Image;
	home.src="images/home.png";
	homehi=new Image;
	homehi.src="images/homehi.png";
	
	productinfo=new Image;
	productinfo.src="images/productinfo.png";
	productinfohi=new Image;
	productinfohi.src="images/productinfohi.png";
	
	contact=new Image;
	contact.src="images/contact.png";
	contacthi=new Image;
	contacthi.src="images/contacthi.png";

	voorwaarden=new Image;
	voorwaarden.src="images/voorwaarden.png";
	voorwaardenhi=new Image;
	voorwaardenhi.src="images/voorwaardenhi.png";

	disclaimer=new Image;
	disclaimer.src="images/disclaimer.png";
	disclaimerhi=new Image;
	disclaimerhi.src="images/disclaimerhi.png";