if (navigator.platform.indexOf('Mac') > -1)  {
    //mac ie 5
    if ((navigator.appVersion.indexOf('5.0') > -1) && (navigator.appName.indexOf('Explorer') > -1)) {
      document.write('<LINK HREF="http://www.skbcases.com/ssi/css/sports/mac_ie5.css" REL="styleSheet" TYPE="text/css">');
    } else {
    //mac other than ie 5
    document.write('<LINK HREF="http://www.skbcases.com/ssi/css/sports/mac.css" REL="styleSheet" TYPE="text/css">');

  }
}
 else {
    //windows or unix
    if (navigator.appName.indexOf('Microsoft') > -1) {
      //explorer
      document.write('<LINK HREF="http://www.skbcases.com/ssi/css/sports/win_ie.css" REL="styleSheet" TYPE="text/css">');
  
    } else {
      //netscape
      document.write('<LINK HREF="http://www.skbcases.com/ssi/css/sports/win_ns.css" REL="styleSheet" TYPE="text/css">');
  
    }
  }