<!-- //hide from crippled browsers

//preload rollover images 
var rover, cached;

cached=0;
rover=0;

if (document.images) {
	rover=1;
	arrow=new Image;
	arrow.src="images/arrow_off.gif";
	arrowOn=new Image;
	arrowOn.src="images/arrow_on.gif";
	cached=1;
}

function rollOver(imgName) {
	if (rover==1 && cached==1) {
		imgOn=eval("arrowOn.src");
		document [imgName].src=imgOn;
	}
}

function rollOff(imgName) {
	if (rover==1 && cached==1) {
		imgOff=eval("arrow.src");
		document [imgName].src=imgOff;
	}
}

//-->