<style ty
PE="text/css">
ht
ML * {m
argin:0; padding:0;}
body {font-f
amily:Geneva, Arial, Helvetica, sans
-serif; font-
Size:12px; color:
#000000; background-color:#FFFFFF;}
/* 让内容垂直居中的控制样式在下面这一行 */
#PageM
ain{width:1002px; h
eight:602px; background-color:#0E4980; mar
gin:0 auto; pos
ITion:absolute; top:50%; left:50%; margin:-301px 0 0 -501px;}
</style>
<!-- PageMain
开始 -->
<div id="PageMain">
</div>
<!-- PageMain结束 -->
$("#按钮的id").attr("disabled","true"); 按钮就不能再点击了!
<li style="background:#ececec" onMouseOver="this.style.background='#ffffff'" onMouseOut="this.style.background='#ececec'">第1行第1列</li>