Mr Natdanai Thaochai <br>
<table border="1">
 <caption> Spanning columns using the colspan attribute </caption>
 <tr>
 <td bgcolor="#efefef" width="100" height="100" > &nbsp; </td>
 <td bgcolor="#999999" width="100" height="100" > &nbsp; </td>
 <td bgcolor="#000000" width="100" height="100" > &nbsp; </td>
 </tr>
 <tr>
 <td bgcolor="#efefef" width="100" height="100" > &nbsp; </td>
 <td colspan="2" bgcolor="#999999"	> &nbsp; </td>
 </tr>
 <tr>
 <td colspan="3" bgcolor="#efefef" height="100" > &nbsp; </td>
 </tr>
 </table>