Image looks unclear on my website (but when viewed in local files, perfectly clear!)

[suavedesign]

Hi,
The url to my site is www.totalrecallsolutions.com/corporate.
If you look at the homepage, you can see that the first image on the main menu tabs is very unclear. (you have to roll over the bar to view the image)
I can't seem to figure out why, since when I view the website on my computer, which has the same exact image, it looks perfectly clear! It's only online that it looks this way! (And any other image that I put it that spot is also clear)

Any suggestions??
Thanks a lot!!