// Rollovers

netscape = navigator.appName == "Netscape";
netscape4 = netscape && parseInt(navigator.appVersion) <= 4;
ie = navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >= 4;
hover = netscape || ie;

function preload(img)
{
	var a = new Image();
	a.src = img;
	return a;
}

function rollover(image, value)
{
	eval('document[\'' + image + '\'].src = ' + value + '.src;');
}