Changing CMS style from left to right ... HELP ! (Picture)

[Steve_nash]

Hello everybody ,
I have a problem at the CMS style
My forum is arabic , so the layout should be from right to left .
The forum style is good but the CMS style got problems .
Can you help me changing the CMS style direction from LTR to RTL .

Picture :

http://up.begainfo.com/download.php?img=212

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Help !!