根据客户机浏览器和分辨率不同，实现页面自适应

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var IE1024="";
var IE800="";
var IE1152="";
var IEother="";

ScreenWidth(IE1024,IE800,IE1152,IEother)
}else{
if (window.navigator.userAgent.indexOf("Firefox")>=1)
{
file://如果浏览器为Firefox
var Firefox1024="";
var Firefox800="";
var Firefox1152="";
var Firefoxother="";

ScreenWidth(Firefox1024,Firefox800,Firefox1152,Firefoxother)
}else{
file://如果浏览器为其他
var Other1024="";
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var Other1152="";
var Otherother="";
ScreenWidth(Other1024,Other800,Other1152,Otherother)
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setActiveStyleSheet(CSS4);
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function setActiveStyleSheet(title){
document.getElementsByTagName("link")[0].href="style/"+title;
}
file://-->
</SCRIPT>

<SCRIPT LANGUAGE="JavaScript">
<!--
if (window.navigator.userAgent.indexOf("MSIE")>=1)
{
file://如果浏览器为IE
setActiveStyleSheet("default.css");
}else{
if (window.navigator.userAgent.indexOf("Firefox")>=1)
{
file://如果浏览器为Firefox
setActiveStyleSheet("default2.css");
}else{
file://如果浏览器为其他
setActiveStyleSheet("newsky.css");
}
}

function setActiveStyleSheet(title){
document.getElementsByTagName("link")[0].href="style/"+title;
}
file://-->
</SCRIPT>