<!--
if (document.images) {
  totopon = new Image();
  totopon.src = '../menu/totop-on.gif';
  totopoff = new Image();
  totopoff.src = '../menu/totop-off.gif';
}

	function rollon(imgName) {
		if (document.images) {
		document[imgName].src = eval(imgName + "on.src");
		}
	}
	function rolloff(imgName) {
		if (document.images) {
		document[imgName].src = eval(imgName + "off.src");
		}
	}

// -->