theme select

[!RFAN]

hey i made a mistake while selecting a theme in my admin panel...
i selected a theme which has incomplete files in the folder..actually there were two themes with same name.. i selected the wrong one... now t was not able to open my site with my user name... everything is fine for other users coz default theme is a stable one... what can i do now.. is there any manual settings for theme..

help me 

i am receiving this error

Unable to load the 'main_above

[!RFAN]

i just foud the solution

go to http://www.yourwebsite.com/index.php?theme=1

this will take you to the default theme..now change the theme

thanks