width:expression cause IE 6.0 browser frozen. The solution is:
<!–[if IE 5]><style type=”text/css” media=”screen”>
.outer{width:expression(document.body.clientWidth < 1000? “1000px”: “auto” );}
</style><![endif]–>
<!–[if IE 6]><style type=”text/css” media=”screen”>
.outer{width:expression(document.documentElement.clientWidth < 1000? “1000px”: “auto” );}
</style><![endif]–>
