function browsercheck() {
	NETSCAPE = navigator.appName == "Netscape";
	MSIE = navigator.appName == "Microsoft Internet Explorer";
	vers = navigator.appVersion.substring(0,3);

	
	// IE returns 4 even if it's 5...
	if (navigator.appVersion.indexOf("MSIE") != -1) {
		IVersStart = navigator.appVersion.indexOf("MSIE") + 5;
		IVersEnd = (IVersStart + 3);
		vers = navigator.appVersion.substring(IVersStart, IVersEnd);
		(UAversion = vers);
		}
	
	if (vers.substring(0,1) >= 5) {
		document.getElementById("formate").href = "formate1.css";
	}
}


function img_on(imgname,filename) {
	where = "grfs";
	document.images[imgname].src = where + "/" + filename + "_1.gif";
}

function img_off(imgname,filename) {
	where = "grfs";
	document.images[imgname].src = where + "/" + filename + ".gif";
}