<html><head><title>简单的Div+ CSS弹出层效果</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><script language="javascript">function ShowDiv(s) { if(s>0) { document.getElementById('ceng').style.display='block'; document.getElementById('close').style.display='block'; }else{ document.getElementById('ceng').style.display='none'; document.getElementById('close').style.display='none'; } }</script></head><body><a href="#" onclick="ShowDiv(1)">点击弹出</a><div id="ceng" style="position:absolute;z-index:2;left:0;top:0;right:0;background-color:#000;filter:alpha(opacity=50);margin:1px 1px;display:none;width:100%;height:100%;text-align:center;"> </div><div id="close" style="position:absolute !important;left:30%;top:0px;z-index:3;border:1px solid #ff6600;background-color:#fff;margin:100px auto;padding:0px;display:none;width:400px;height:300px;text-align:right"><a href="#" onclick="ShowDiv(0)">关闭</a><div style="text-align:center;"><br>内容<br> 哇哈哈哈</div></div></body></html>效果如下:
