<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html><head><title>CSS Test: border collapse dynamic change to table border width</title>
    <link rel="author" title="Bernd Mielke" href="mailto:bmlk@gmx.de">
    <link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#collapsing-borders">
    <link rel="match" href="reference/border-collapse-dynamic-table-002-ref.htm">
    <meta http-equiv="Content-Script-Type" content="text/javascript">
    <meta name="flags" content="dom">
<script type="text/javascript">
function doTest(){
 var t1 =document.getElementById('target');
 t1.style.borderWidth="20px";
}
</script>
<style type="text/css">
td { border: 10px green solid;}
table {margin: 30px; border-collapse:collapse; border:solid green 11px}
</style>
</head>
<body onload="doTest();">

<p>There should be a continuous solid thick border around a grid of 3 rows and 3 columns. The borders inside the grid should be half the thickness of the outside border of the grid.</p>

<table id="target">

<colgroup><col></colgroup>
<colgroup><col></colgroup>
<colgroup><col></colgroup>
<tbody><tr><td>c11</td><td>c12</td><td>c13</td></tr></tbody>
 <tbody>
 <tr><td>c21</td><td>c22</td><td>c23</td></tr>
 </tbody>
 <tbody>

 <tr><td>c31</td><td>c32</td><td>c33</td></tr>
 </tbody>
</table>

</body></html>