<!-- hide script from old browsers
//detect browser:
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) browserVer = "1";
else if (browserName == "Microsoft Internet Explorer" && browserVer == 4) browserVer = "1";
else browserVer = "2";

//preload images:
if (browserVer == 1) {
	sign1 = new Image(110, 33);
	sign1.src = "pics/signup.gif";
	sign2 = new Image(110, 33);
	sign2.src = "pics/signup_over.gif";

	newSign1 = new Image(113, 20);
	newSign1.src = "pics/newSign1.gif";
	newSign2 = new Image(113, 20);
	newSign2.src = "pics/newSign2.gif";

	sub1 = new Image(54, 54);
	sub1.src = "pics/submit1.gif";
	sub2 = new Image(54, 54);
	sub2.src = "pics/submit2.gif";
	
	back1 = new Image(226, 24);
	back1.src = "pics/back1.gif";
	back2 = new Image(226, 24);
	back2.src = "pics/back2.gif";
}

//image swapping function:
function hiLite(imgDocID, imgObjName) {
if (browserVer == 1) {
	document.images[imgDocID].src = eval(imgObjName + ".src");
	return true;
}}
//end hiding -->