var n = (navigator.appName == "Netscape")
var n4 = (document.layers) ? 1:0
var ie = (navigator.appName == "Microsoft Internet Explorer")
var ie4 = (document.all) ? 1:0
var browserName = navigator.appName;
var rolloversOK = 0;
browserVer = parseInt(navigator.appVersion);
if (n && browserVer >= 3) rolloversOK = 1;
else if (ie && browserVer >= 4) rolloversOK = 1;

if (rolloversOK==0)  {
	btn1=btn2=btn3=btn4=btn5=btn6="Hi There";
	btn1off=btn2off=btn3off=btn4off=btn5off=btn6off="Hi There";
	btn1on=btn2on=btn3on=btn4on=btn5on=btn6on="Hi There";
}

function setImage(ff, gg) {
	if (rolloversOK==1)
		if (document.images ) {
			document.images[ff].src = gg.src;
		}
}

if(ie) {
	Element.observe(document, "dom:loaded", function() { $$('body')[0].addClassName("is_ie"); });
}