// <![CDATA[
   var str = navigator.userAgent;

   if (str.search(/Safari/) > 0)
   {
      version = str.substring(str.indexOf("Safari") + 7, str.length);
      if (version < 500) {
         document.write('<link href="styles/safarifix.css" rel="stylesheet" type="text/css" />');
      };
   }
// ]]>