browserName = navigator.appName;
browserVer = parseFloat(navigator.appVersion);
var browserTest = "good";
if (navigator.appName == "Netscape" && browserVer < 5.0) browserTest = "bad";
if (navigator.appName == "Microsoft Internet Explorer" && browserVer < 4.0) brow
serTest = "bad";
if (browserTest == "bad") {
 document.write("<center><p class=p0black>"); 
 document.write("Please upgrade to Netscape 7+ or IE 5+ to"); 
 document.write(" obtain the full functionality of this site.");
 document.write("</p></center>");
 }