Relatively Positioning drop down menu

[jeweneipt]

I'm building a website for a company and having a hard time with positioning. I want the drop-down menus to position either left or right based on where they are on the screen. Here's a screenshot of what happens currently: linkAlso, If you want to take a look at the live site, here's a link to the demo.Any help would be appreciated.Thanks!Edit: Not to throw another confusing element in, but this particular site is responsive. When I go down to an Ipad size screen the problem get's worse.