//Alternate CSS files based on platform and browser//Macintoshif (navigator.platform && (navigator.platform.indexOf('Mac')) > -1)  {  // Mac and Browser Ž 5.0 = little.css    if (navigator.appVersion >= "5.0" || navigator.appVersion.indexOf("5.") > -1)       { document.write('<link rel="stylesheet" href="CSS/little.css" type="text/css">'); }    // Mac and old browser < 5.0 = big.css	else       { document.write('<link rel="stylesheet" href="CSS/big.css" type="text/css">'); }  }  else  //Windows and other non-Mac OS = litte.css  { document.write('<link rel="stylesheet" href="CSS/little.css" type="text/css">'); }