http://igor.bintime.com - top menu.
Submenu open after click and pie appear correctly, but second later background dissapear.
It appers after user take mouse over the submenu, but after focus out - pie element is not dissapear (if mouse out fast it dissapear)
Please help me understand, why it work so strange?

Hi alokozam,

I'm just a bit confused at the structure of your menu (click then hover), is it done using jQuery/Javascript for the dropdown?