html表头固定并且适用百分比布局
<!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>
</head>
<body>
<table cellspacing="0" cellpadding="0" border="0" width="100%">
<tr>
<td>
<table cellspacing="0" cellpadding="1" border="1" width="100%" >
<tr>
<th>col 1 heading</th>
<th>col 2 heading</th>
<th>col 3 heading</th>
<th>col 4 heading</th>
<th style="width:13px"> </th>
</tr>
</table>
</td>
</tr>
<tr>
<td>
<div style="width:100%px; height:200px; overflow:auto;">
<table cellspacing="0" cellpadding="1" border="1" width="100%" >
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
<tr>
<td>col 1 data 1</td>
<td>col 2 data 1</td>
<td>col 3 data 1</td>
<td>col 4 data 1</td>
</tr>
</table>
</div>
</td>
</tr>
</table>
</body>
</html>
