<style>
html{filter:gray;}
html{filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);}
</style>
<!--[if IE 8]> <link rel="stylesheet" type="text/css" href="ie8.css"> <![endif]--> <!--[if IE 7]> <link rel="stylesheet" type="text/css" href="ie7.css"> <![endif]--> <!--[if IE 6]> <link rel="stylesheet" type="text/css" href="ie6.css"> <![endif]-->
<!--[if lt IE 7 ]><html class="ie6" lang="zh-cn"><![endif]--> <!--[if IE 7 ]><html class="ie7" lang="zh-cn"><![endif]--> <!--[if IE 8 ]><html class="ie8" lang="zh-cn"><![endif]--> <!--[if IE 9 ]><html class="ie9" lang="zh-cn"><![endif]-->