CSS弹出背景半透明窗口_html/css_WEB-ITnose

" language="javascript">
$(function(){
var query = location.search;
var equal_index = query.lastIndexOf("=");
var result_index = query.indexOf("result");
var submit_index = query.indexOf("submit");
if(result_index != -1){
if(query.substring(equal_index + 1) == 'success') {
$("#msg").text('保存成功');
pupopen();
}
}
if(submit_index != -1){
if(query.substring(equal_index + 1) == 'success') {
$("#msg").text('上报成功');
pupopen();
}
}
});
function pupopen(){
$("#bg").css("display", "block");
$("#popbox").css("display", "block");
$(window).scroll(function(){ $(window).scrollTop(0); });// 禁止浏览器滚屏
}
function pupclose(){
$("#bg").css("display", "none");
$("#popbox").css("display", "none");
$(window).unbind("scroll");// 恢复浏览器滚屏
}
body{margin:0px;}
#bg{width:100%;height:100%;top:0px;left:0px;position:absolute;filter: Alpha(opacity=50);opacity:0.5; background:#000000; display:none;}
#popbox{position:absolute;width:300px; height:200px; left:50%; top:50%; margin:-200px 0 0 -200px; display:none; background:#FFFFFF;}
终于搞定这个效果了，IE和FF,OP均可以~
先说原理:两个层,一个高度和宽度都是100%,另一个就是你要弹出的窗口的具体内容,半透明在IE中是用filter: Alpha(opacity=60);在非IE中用opacity:0.60;
" />
" width="70" style="max-width:90%" onclick="pupclose()" style="cursor:pointer"/>

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