js.自动判断浏览器分辨率

<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>