I am having view port like layout
west panel having accordion control and center panel having all content pages.
i have set auto width property for tree panel in page.
i have also added Click image for larger version. 

Name:	Menu.JPG 
Views:	48 
Size:	28.5 KB 
ID:	1915 containing some buttons
when i collapse left accordion panel. the top bar will not take 100% size of page.

i am attaching image of that page.

please, help me out for this problem.

Thanks and Regards
Ganesh Shirsath.