auto extend tr for example 100px

i have:

<table border="2">
     <tr>
       <td>1</td>
       <td>1</td>
       <td>1</td>
       <td>1</td>
     </tr开发者_高级运维>
     <tr>                
         <td> 2 </td> 
         <td> 2 </td>
         <td> 2 </td>
         <td> 2 </td> 
         <td> 2 </td> 
         <td> 2 </td>
     </tr>
</table>

this generate:

|1|1|1|1|
|2|2|2|2|2|2|

how can i make something:

| 1 | 1| 1|1|
|2|2|2|2|2|2|

i dont will merge td with 1. I would like set constant width for example 100px; and < tr> same was extended.

I would simply use a colspan. Its easy to maintain, and you don't need any JS or CSS workaround.

http://www.w3.org/TR/html4/struct/tables.html

or as tutorial:

http://www.htmlcodetutorial.com/tables/index_famsupp_30.html

if you want custom width, you gonna need classes if you care about old browsers, or targeting them with CSS3