br_name = navigator.appName;
br_version = parseFloat(navigator.appVersion);
mb = '/im/_btncrcl.gif';
mba = '/im/_btncrcla.gif';
ok = (br_name == "Netscape" && br_version >= 3.0) || (br_name == "Microsoft Internet Explorer" && br_version >= 3.0);
function show(name,src) {
	if (ok) document.images[name].src = src;
}
function ShowPopup(url, name, x, y) {
	var vars='toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,width='+x+',height='+y;
	var popup = window.open(url,name,vars);
	if( navigator.appName.substring(0,8) == "Netscape" ) {popup.location = url;}
}
function ChgTx2(name) {
document.images["tx-2"].src = '/im/'+name;
}