弹出层（Div）屏蔽父窗口并且让父窗口变暗

来源：互联网发布：sql truncate 存储过程编辑：程序博客网时间：2024/06/05 16:07
<html><head><script>     function   locking(){      document.all.ly.style.display="block";      document.all.ly.style.width=document.body.clientWidth;      document.all.ly.style.height=document.body.clientHeight;      document.all.Layer2.style.display='block';     }     function   Lock_CheckForm(theForm){      document.all.ly.style.display='none';   document.all.Layer2.style.display='none';   return   false;     }   </script></head><body>    <img src="http://powereasy.net/skin/since07/images/sf_cms_banner1.jpg">    <p align="center">        <input type="button" value="系统锁定" onclick="locking()">    </p>    <div id="ly" style="position: absolute; top: 0px; filter: alpha(opacity=60); background-color: #777;        z-index: 2; left: 0px; display: none;">    </div>    <!--         浮层框架开始         -->    <div id="Layer2" align="center" style="position: absolute; z-index: 3; left: expression((document.body.offsetWidth-540)/2); top: expression((document.body.offsetHeight-170)/2);        background-color: #fff; display: none;" >        <table width="540" border="0" cellpadding="0" cellspacing="0" style="border: 0   solid   #e7e3e7;            border-collapse: collapse">            <tr>                <td style="background-color: #73A2d6; color: #fff; padding-left: 4px; padding-top: 2px;                    font-weight: bold; font-size: 14px;" height="27" valign="middle">                    [&nbsp;警&nbsp;告&nbsp;]                </td>            </tr>            <tr>                <td height="130" align="center">                    <input type="button" value=" 确定 " onclick="Lock_CheckForm(this);">                </td>            </tr>        </table>    </div>    <!--         浮层框架结束         --></body></html>
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