focus problem

I am trying a grid which embeds a combo as a template. Sometimes, when I click the combo and show the popup, the focus moves to the first cell of the grid. Is it a bug? If so, how soon can I expected fixed version?

Thanks,

Check if could be the same issue foud here:
http://www.activewidgets.com/javascript.forum.21858.9/dynamic-combo-in-a-grid.html