var imgOld;
	function rollon (imgName) {
		if (document.images && parent.Preloaded && (imgName != parent.Triggered)) {
			document.images[imgName].src = parent.btn[imgName] + "_o.png";
		}
	}
	
	function rolloff (imgName) {
		if (document.images && (imgName != parent.Triggered)) {
			document.images[imgName].src = parent.btn[imgName] + ".png";
		}
	}
	
		function trigger (imgName) {
				if (document.images && parent.Preloaded) {
					imgOld = parent.Triggered;
					if (imgOld.indexOf('1') != -1) {
							document.images[imgOld].src = parent.btn[imgOld] + ".png";
						} else {
								parent.footer.document.images[imgOld].src = parent.btn[imgOld] + ".png";
					}
					document.images[imgName].src = parent.btn[imgName] + "_d.png";
					parent.Triggered = imgName;
				}
			}