需要个左150,右自适应宽度DIV，找了个挺好。收了。下面是代码.
_____________________________________________________________
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">
<!--
body{margin:0;padding:0px;text-align:center;}
#wrap{margin:0 auto;text-align:left; width:900px;}
/*左边栏，固定宽度*/
.wrap_l{float:left;background:#FF0000;margin-right:-150px;width:150px;}
/*中间栏，自适应宽度*/
.wrap_m{width:auto;background:#00FF00;margin:0 140px 0 150px;}
/*右边栏，固定宽度*/
.wrap_r{float:right;background:#0000FF;margin-left:-140px;width:140px;}
.wrap_inner_l{float:left;background:#00FFFF;margin-right:-200px;width:200px;}
.wrap_inner_m{width:auto;background:#FFFF00;margin:0 0 0 200px;}
-->
</style>
</head>
<body>
<div id="wrap">
<div class="wrap_l">左边栏</div>
<div class="wrap_r">右边栏</div>
<div class="wrap_m">中间栏</div>
</div>
</body>
</html>