用js自动判断浏览器分辨率的代码

复制代码 代码如下:

  <SCRIPT LANGUAGE="JavaScript">

  <!--

  if (window.navigator.userAgent.indexOf("MSIE")>=1)

  {

  var IE1024="";

  var IE800="";

  var IE1152="";

  var IEother="";

  ScreenWidth(IE1024,IE800,IE1152,IEother)

  }

  else{

  if (window.navigator.userAgent.indexOf("Firefox")>=1)

  {

  var Firefox1024="";

  var Firefox800="";

  var Firefox1152="";

  var Firefoxother="";

  ScreenWidth(Firefox1024,Firefox800,Firefox1152,Firefoxother)

  }

  else{

  var Other1024="";

  var Other800="";

  var Other1152="";

  var Otherother="";

  ScreenWidth(Other1024,Other800,Other1152,Otherother)

  }

  }

  function ScreenWidth(CSS1,CSS2,CSS3,CSS4){

  if ((screen.width == 1024) && (screen.height == 768)){

  setActiveStyleSheet(CSS1);

  }else{

  if ((screen.width == 800) && (screen.height == 600)){

  setActiveStyleSheet(CSS2);

  }else{

  if ((screen.width == 1152) && (screen.height == 864)){

  setActiveStyleSheet(CSS3);

  }else{

  setActiveStyleSheet(CSS4);

  }}}

  }

  function setActiveStyleSheet(title){

  document.getElementsByTagName("link")[0].href="style/"+title;

  }

  //-->

  </SCRIPT>