CSS弹出背景半透明窗口_html/css_WEB-ITnose

3. $(function(){
4. var query = location.search;
5. var equal_index = query.lastIndexOf("=");
6. var result_index = query.indexOf("result");
7. var submit_index = query.indexOf("submit");
8. if(result_index != -1){
9. if(query.substring(equal_index + 1) == 'success') {
10. $("#msg").text('保存成功');
11. pupopen();
12. }
13. }
14. if(submit_index != -1){
15. if(query.substring(equal_index + 1) == 'success') {
16. $("#msg").text('上报成功');
17. pupopen();
18. }
19. }
20. });
21. function pupopen(){
22. $("#bg").css("display", "block");
23. $("#popbox").css("display", "block");
24. $(window).scroll(function(){ $(window).scrollTop(0); });// 禁止浏览器滚屏
25. }
27. function pupclose(){
28. $("#bg").css("display", "none");
29. $("#popbox").css("display", "none");
30. $(window).unbind("scroll");// 恢复浏览器滚屏
31. }
35. body{margin:0px;}
36. #bg{width:100%;height:100%;top:0px;left:0px;position:absolute;filter: Alpha(opacity=50);opacity:0.5; background:#000000; display:none;}
37. #popbox{position:absolute;width:300px; height:200px; left:50%; top:50%; margin:-200px 0 0 -200px; display:none; background:#FFFFFF;}
42. 终于搞定这个效果了，IE和FF,OP均可以~
43. 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;
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