// detect browser variable
var ns = navigator.appName == 'Netscape';
var n4 = (document.layers) ? 1 : 0;
var ie = (document.all) ? 1 : 0;
var n5 = (ns && !n4) ? 1 : 0;
if(n4){var browser = "n4"} else if (ie) {var browser = "ie"} else if (n5) {var browser = "n5"}
// load scripts based on browser variable
document.write('<link rel="stylesheet" type="text/css" href="styles/'+browser+'.css">');