browser_version= parseInt(navigator.appVersion);
browser_type = navigator.appName;
/*
if (browser_type == "Microsoft Internet Explorer" && (browser_version >= 6)) {
document.write("<link REL='stylesheet' HREF='ie6.css' TYPE='text/css'>");
} 

else if (browser_type == "Netscape" && (browser_version >= 4)) {
document.write("<link REL='stylesheet' HREF='012899-netscape4.css' TYPE='text/css'>");
}
*/