Ok I am going to assume you mean cells that have something like a picture or wording with no spaces that under normal conditions would stretch the cell of a table or under the "fixed" layout would overflow the cell onto other cells etc.
Firefox is following standards with this and IE is the one that is not. IE clips the content automatically while FireFox lets it overflow. So to correct that on the table cell that is overflowing, you can specify a style of "overflow: hidden" which will clip the context of the cell so that it won't stretch, but will clip anything that overflows the cell boundaries.
Below is a simple example....
CODE
<table border="1" cellpadding="0" cellspacing="0" width="500" style="table-layout: fixed;">
<tr>
<td width="200" style="overflow: hidden;"& #62;Nowhereisatablecellthathasnospacesandshouldstretchunderflexibleconditionsand
clipunderfixed.</td>
<td width="300">Here is some content that should wrap around in the individual cell.</td>
</tr>
</table>
With this sample if the table was not "fixed" the first cell would expand to the length of the sentence without spaces. But since it is declared as "fixed" we can use the overflow "hidden" to clip the sentence so that it will not overflow the cell of 200 pixels in width.
Hopefully that is what you are asking about and that this solves your problem.
Edit: Oh and just to make sure you know, this works the same in both IE and FF. Overflow is a standard CSS both browser support.
"At DIC we be cell clipping code ninjas... we also clip people at the knees so that we leave them begging for mercy"
This post has been edited by Martyr2: 12 Jul, 2008 - 02:35 PM