remove background

i'm trying to build a web site and the logo i want to use has a white background. I want to place it on my menu, but can't align the graphic from the menu prorperly... :(

I was wondering it there was anyway i would be able to remove the background? :confused:

I made the picture into a circle, this is what makes it really difficult for me? I know photohsop makes transparent background, but would it do the same on a icture that already exist? And is there a way of cropping into circles??

Thanks to anyone that can help...

why dont you think about ......

1) look at where you want to place the logo on the menu....

2) think about what the white that you dont want on the logo is covering...

3) take the logo back into photoshop or whatever you used...

4) Put what is covered by the white onto the logo itself

That is what most people do rather than use Transparent GIF's/ PNG's

Finally..... Unfortunately there is no way of saving a file as a circular file :(