How change the Main Plesk Skin

[m0rpheu5]

Hello guys, i would like to know how can i change the main Default skin of Plesk, i would to set the Windows XP Reloaded, that is more clean then the vista skin, i can change the users and admin interface, but when i try to access the Plesk Panel, when ask the user and password, the skin is Vista not Windows Xp Reloaded, how change that??

Thanks