if (document.images) {

	  var IHCLogoOff = new Image();
	  IHCLogoOff.src = "image/IHCShocksShadow.jpg";
	  var IHCLogoOn = new Image();
	  IHCLogoOn.src = "image/IHCGlobeLogo.jpg";

   }

   function off(linkID) {
      document[linkID].src = eval(linkID+"Off.src");
   }

   function on(linkID) {
      document[linkID].src = eval(linkID+"On.src");
   }