Animated-menu.js trouble

Animated-menu.js trouble

Hi guys!

I'm using the script animated-menu.js in my website, but i'm having some trouble.

So, my website appears just fine in Google Chrome and Firefox, but not in Internet Explorer.

My menu is positioned on the right side of the page and, as the Internet Explorer assumes that my page as a margin on the right (I have to scroll right to see that margin) my menu, when mouse rolls over, slides to the right instead of sliding to the left, as I wanted!

I think I need a line in the code that tells the browser (IE) that, when mouse rolls over, it as to slide always to the left. Can you tell me what code should it be? 

Thank you so much in advance!