Why it works logo in Mozilla but not in IE?

[toplisek]

I placed in tag TD my background image. Why do you think code in IE does not work but in Mozilla without problem?
<td colspan="2" width="350" height="70" background="mylogo.jpg">
<a href="<?=$_PATH1 ?>index.html"><img src=''mytagline.png" width="350" height="70" border="none"></a></td>

[Handlebar]

Does the png have transparency and is it IE6? If so, IE6 will not render png transparency, so it is possible your background image is still there, but covered up by the png.

[swa66]

As handlebar said: IE needs help to do transparency as it should be done. (IE needs loads of help)

You're not using any CSS ... size it seems you're trying to put a tagline over an image: that would be something CSS would excel at due to the far more flexible positioning than tables would allow you.