if (document.images)

			imgon = new Image();
			imgon.src ="image/bg.gif";

			imgoff = new Image();
			imgoff.src ="image/bg.gif";
  

			imgon = new Image();
			imgon.src ="image/button_bg.gif";

			imgoff = new Image();
			imgoff.src ="image/button_bg.gif";

            imgnew = new Image();
			imgnew.src ="image/buttond_bg.gif";
 
			imgon = new Image();
			imgon.src ="image/button_on.gif";

			imgoff = new Image();
			imgoff.src ="image/spacer1.gif";

			function imgOn(imgName) {
			if (document.images) {document[imgName].src = imgon.src;
            											        }
						}
			function imgOff(imgName) {
			if (document.images) {document[imgName].src = imgoff.src;
                                                	           }
                       }