检测屏幕分辨率

<！-- +++++++++++++++++检测屏幕分辨率++++++++++++++++++++++++++ -->
<script language="JavaScript"></script><input type=button value="检测屏幕分辨率！" onClick="redirectPage（）" name="button">
[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]