function SetCSS(NS_CSS,IE_CSS)
{
document.writeln("\n");
// Check Browser Vendor and Version
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (navigator.userAgent.indexOf("Mozilla/3.0") != -1) version = "ns3";
else if (browserName == "Netscape" && browserVer >= 4) version = "ns4";
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 3) version = "ie4";
else version = "ns2";
// Assign a style sheet based on Browser
if(version=="ie4")
document.writeln("\n");
if(version=="ns4")
document.writeln("\n");
}