Please describe the problem:
Some javascript opened windows do not resize to the correct size when opened. 
It difficult to explain.  I can attach screenshots if required.  Resizing the
window manually fixes this properly.

Steps to reproduce:
1. Go to itv-f1.com
2. Click on one of the links on the left that will bring up pictures (at the
moment: "McLaren's dazzler")
3. The new window will have a section on the right that isn't drawn


Actual results:
There is a large region on the right of the window that is unexposed

Expected results:


Does this happen every time?
Yup

Other information:
This might be related to bug #324190 (in yelp) - its the same symptom.  The
solution in that case was to specifically set the focus to the html widget.