S主义

if (window.navigator.userAgent.indexOf("MSIE")>=1)
{
var IE1024="css/css01.css";
var IE800="css/css02.css";
var IE1152="css/css03.css";
var IEother="css/css04.css";
 
ScreenWidth(IE1024,IE800,IE1152,IEother)
}else{
if (window.navigator.userAgent.indexOf("Firefox")>=1)
{
file://如果浏览器为Firefox
var Firefox1024="css/css01.css";
var Firefox800="css/css02.css";
var Firefox1152="css/css03.css";
var Firefoxother="css/css04.css";
 
ScreenWidth(Firefox1024,Firefox800,Firefox1152,Firefoxother)
}else{
file://如果浏览器为其他
var Other1024="css/css01.css";
var Other800="css/css02.css";
var Other1152="css/css03.css";
var Otherother="css/css04.css";
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")[1].href=title; 
}