var nname=navigator.appName;var nver=parseInt(navigator.appVersion);function fn_css(pitdt){pitdt='';if(nname=='Netscape'&&nver<5){document.writeln('<link rel="stylesheet"'+' href="'+pitdt+'css\/ns4.css" \/>');if(navigator.userAgent.indexOf('inux')!=-1)document.writeln('<link rel="stylesheet" href="'+pitdt+'css\/ns4linux.css" \/>');}else{document.writeln('<link rel="stylesheet"'+' href="'+pitdt+'css\/ns5.css" \/>');}}