<html>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ />
<link href=”css/0703css.css” rel=”stylesheet” type=”text/css”>
<link href=”css/home200807.css” rel=”stylesheet” type=”text/css”>
<link href=”css/other0703css.css” rel=”stylesheet” type=”text/css”>
<title></title>
<STYLE>
#login{
position: relative;
display: none;
top: 20px;
left: 30px;
background-color: #ffffff;
text-align: center;
border: solid 1px;
padding: 10px;
z-index: 1;
}
body {
background-color: #0099CC;
}
.STYLE1 {color: #FFFF00}
</STYLE>
<!–type=”text/javascript”–>
<script language=”javascript”>
var W = screen.width;//取得屏幕分辨率宽度
var H = screen.height;//取得屏幕分辨率高度
function M(id){
return document.getElementById(id);//用M()方法代替document.getElementById(id)
}
function MC(t){
return document.createElement(t);//用MC()方法代替document.createElement(t)
};
//判断浏览器是否为IE
function isIE(){
return (document.all && window.ActiveXObject && !window.opera) ? true : false;
}
//取得页面的高宽
function getBodySize(){
var bodySize = [];
with(document.documentElement) {
bodySize[0] = (scrollWidth>clientWidth)?scrollWidth:clientWidth;//如果滚动条的宽度大于页面的宽度，
//取得滚动条的宽度，否则取页面宽度
bodySize[1] = (scrollHeight>clientHeight)?scrollHeight:clientHeight;//如果滚动条的高度大于页面的高
//度，取得滚动条的高度，否则取高度
}
return bodySize;
}
//创建遮盖层
function popCoverDiv(){
if (M(“cover_div”)) {
//如果存在遮盖层，则让其显示
M(“cover_div”).style.display = ‘block’;
} else {
//否则创建遮盖层
var coverDiv = MC(‘div’);
document.body.appendChild(coverDiv);
coverDiv.id = ‘cover_div’;
with(coverDiv.style) {
position = ‘absolute’;
background = ‘#CCCCCC’;
left = ’0px’;
top = ’0px’;
var bodySize = getBodySize();
width = bodySize[0] + ‘px’
height = bodySize[1] + ‘px’;
zIndex = 0;
if (isIE()) {
filter = “Alpha(Opacity=60)”;//IE逆境
} else {
opacity = 0.6;
}
}
}
}
//让登陆层显示为块
function showLogin()
{
var login=M(“login”);
login.style.display = “block”;
作者：吴旭晓 | 来源：个人博客 | 点击量：3301 | 发布时间：2010-09-13
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