| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>CSS Test: border collapse dynamic change to col 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="border-collapse-dynamic-colgroup-002-ref.xht"/> | 
 |     <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"><![CDATA[ | 
 | td { border: 10px green solid;} | 
 | table {margin: 30px; border-collapse:collapse} | 
 | col#target {border:solid green 11px} | 
 | ]]></style> | 
 | </head> | 
 | <body onload="doTest();"> | 
 |  | 
 | <p>There should be continuous solid thicker border around the center column. The text inside the cells should not overlap any of the borders.</p> | 
 |  | 
 | <table> | 
 |  | 
 | <colgroup><col /></colgroup> | 
 | <colgroup><col id="target" /></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> |