var browName = navigator.appName;
var browDateTime = (new Date()).getTime();
var browVersion = parseInt(navigator.appVersion);
var ua=navigator.userAgent.toLowerCase();
var adcode='';
if (browName=='Netscape'){
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          { document.write('<LINK href="http://www.x-life.it/css/style-box-net.css" rel="stylesheet" type="text/css">');
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     else if (browVersion>=3) 
          { document.write('<LINK href="http://www.x-life.it/css/style-box-net.css" rel="stylesheet" type="text/css">'); } }
if (browName=='Microsoft Internet Explorer')
     { document.write('<LINK href="http://www.x-life.it/css/style-box-win.css" rel="stylesheet" type="text/css">'); }