<!--//// Browser Detection
browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);
if (browser_name =="Netscape" && browser_version >= 3.0) { roll ='true' }
else {
	if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0) { roll = 'true' }
	else { roll = 'false' }
}

function swap(img) { if (roll == 'true') { document.images[img].src=eval(img+"_on.src") } }
function restore(img) { if (roll == 'true') { document.images[img].src=eval(img+"_off.src") } }
//-->