Major Issue with Blackberry SDK - UI Trips out

I have the following problem.

I have a browser field embedded in a manager. Sometimes upon selecting items in a drop down list the following happens.

Step : 1 - Original Page

Step : 2 Choosing from a drop down开发者_Go百科.

Step : 3 Selecting the item!- Interface trips out. with a write patch after you make a selection. It moves down a bit.

Also the pointer extents beyond the manage that it is contained it. Causing custom buttons no to work. As shown below:

Any one had same issue? Please help...