在ie6里，带默认下滑条，用div布局效果。
<!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=utf-8" />
<title>sdf</title>
</head>
<script>
function $(uid){return document.getelementbyid(uid);}
function lod(){
var b_w=document.documentelement.clientwidth;
$('left').style.width=parseint(b_w/2)+'px'
$('right').style.width=parseint(b_w/2)+'px'
}
</script>
<body onload="lod();">
<style>
*{margin:0px; padding:0px;}
div{height:300px;}
#left{float:left; background-color:#ff0000;}
#right{float:left; background-color:#0000ff;}
</style>
<div id="left"></div>
<div id="right"></div>
<p>在ie6里 带默认下滑条 用div布局效果</p>
</body>
</html>
去掉下滑条的情况下，使两列各占50%。缺点是，内容不能超长，适合软件布局使用。
<!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=utf-8" />
<title>无标题文档</title>
<style>
*{margin:0px; padding:0px;}
div{height:300px;}
.left{width:50%; float:left; background-color:#ff0000;}
.right{width:50%; float:left; background-color:#0000ff;}
</style>
</head>
<body scroll="no">
<div class="left"></div>
<div class="right"></div>
</body>
</html>
在ie6中有下滑条的情况下布局，毛病在于左右两列的宽度不是绝对相等。
<!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=utf-8" />
<title>无标题文档</title>
<style>
*{margin:0px; padding:0px;}
div{height:300px;}
.left{width:50%; float:left; background-color:#ff0000;}
.right{width:50%; float:left; background-color:#0000ff;margin-right:-20px;}
</style>
</head>
<div class="left"></div>
<div class="right"></div>
</body>
</html>
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