Object list selector in se80 not displayed properly

Hi All,

In SE80 Tcode..Under Repository Browser..I am unable to see Object list selector properly..

I am able to see only white blank space instead of Object List Selector

Its a (5.0)ECCUNICODE system

SAPGUI 640

Patch Level 22(gui)..After this pblm arised i hav applied Latest gui patches too(26)..but vain.

Plz help me with this..

Thanks in Advance,

Malti