function cimg(name,ov){
			if (document.images[name]){
				document.images[name].src = "images/" + name + ((ov == 0)?"over":"") + ".gif";
			}
			
		}

	function cimg2(name,ov){
			if (document.images[name]){
				document.images[name].src = "images/" + name + ((ov == 0)?"over":"") + ".jpg";
			}
			
		}