		<!--to hide script contents from old browsers
		/*CacheImage*/
		if(document.images) {
			
			btn01off = new Image();
			btn01off.src="imgs/btn01.jpg";
			btn01on = new Image();
			btn01on.src="imgs/btn01_over.jpg";
			
			btn02off = new Image();
			btn02off.src="imgs/btn02.jpg";
			btn02on = new Image();
			btn02on.src="imgs/btn02_over.jpg";

			btn03off = new Image();
			btn03off.src="imgs/back.gif";
			btn03on = new Image();
			btn03on.src="imgs/back_over.gif";
			
		}
		// end hiding contents from old browsers  -->