ie浏览器模式判断语句

<!--[if IE 6]>
<link href="/lcarmen16/templates/l-carmentheme/css/ie6.css" rel="stylesheet" type="text/css" media="screen" />
<![endif]-->
<!--[if IE 7]>
<link href="/lcarmen16/templates/l-carmentheme/css/ie.css" rel="stylesheet" type="text/css" media="screen" />
<![endif]-->
<!--[if IE 8]>
<link href="/lcarmen16/templates/l-carmentheme/css/ie8.css" rel="stylesheet" type="text/css" media="screen" />
<![endif]-->
<!--[if IE 9]>
<link href="/lcarmen16/templates/l-carmentheme/css/ie9.css" rel="stylesheet" type="text/css" media="screen" />
<![endif]-->