var ua=navigator.userAgent.toLowerCase();
var l='l';
var c='c';
var str;
/*alert(ua);*/
l='<LINK rel="stylesheet" TYPE="text/css" href="./css/';
c='.css">';
if(ua.indexOf("msie")!=-1) {str=l+'common'+c; document.write(str)}
else if(ua.indexOf("opera")!=-1) {str=l+'mz'+c; document.write(str)}
else if(ua.indexOf("Netscape Navigator")!=-1) {str=l+'mz'+c; document.write(str)}
else if(ua.indexOf("mozilla")!=-1) {str=l+'mz'+c; document.write(str)}
else if(ua.indexOf("compatible; msie 6.0;")!=-1) {str=l+'common'+c; document.write(str)}
else {str=l+'common'+c; document.write(str)};