agent = navigator.userAgent;
ns4 = (navigator.appName == 'Netscape')? true:false;
op = (agent.indexOf("Opera") > -1)? true:false;
ie4 = ((navigator.appName == 'Microsoft Internet Explorer') && (!(op)))? true:false;
load = false;
	
if (ie4) document.writeln("<link rel=\"StyleSheet\" href=\"css/ie.css\" type=\"text/css\">");
if (op) document.writeln("<link rel=\"StyleSheet\" href=\"css/op.css\" type=\"text/css\">");
if (ns4) document.writeln("<link rel=\"StyleSheet\" href=\"css/nn.css\" type=\"text/css\">");
if (!ns4 && !ie4 && !op) document.writeln("<link rel=\"StyleSheet\" href=\"css/ie.css\" type=\"text/css\">");