DHTML Drop Down Menu Help

Hi, I Need someone who has good knowledge with DHTML to help me with a DHTML Opencube script i have and i need help ASAP.. ## Deliverables All i need the person to do is look at.. [login to view URL] and you'll notice an error pops up.. when you highlight your mouse over the navigation under the header you'll notice the error pops up once again.. I need someone to have a look at the script and fix this problem for me.. Ive attached a zip with the details.. This shouldn't be much of a big problem, thanks for your interest. ## Platform DHTML