Superfish fail under google chrome (danland theme)

I'm new using Danland Theme with drupal 7. I've prepared a single page with a simple superfish menu with main elements and dropdown childs.

The menu works well with ie8 and firefox 4, but using Chrome 10, when I move slowly the mouse from main menu to the child, (after the drop down is opened) many times the drop-down menu closes.

Can I modify something for solve this.