Input elements within a contextmenu

Hi !

I created a contextMenu with menuPopUp and menuPopUpItem children nodes. Within a menuPopUpItem is a form (div element) with input elements (xhtml input fields) and a backbase button (b:button). The button is clickable, but the input fields aren't focusable through the mouse click (Firefox, Safari). They can be reached by the TAB key only.

There is an incompatibility: in IE7 the input fields are focusable.

I already tried to change the z-index property of btl-menuPopUp (original value is z-index: 999;) but it didn't help.

Any idea how to make them focusable ?

thx
kati