how to give postive rep to the users?

[jacksbi]

i have this doubt how to give the positive rep?

[cheatos]

by clicking on the star in the button left Star Icon of the post .

http://www.sb-innovation.de/enlighten/buttons_eng_10/reputation.gif

[jacksbi]

but it is not giving postive rep it is not giving rep in green colour?

[anon]

it is not giving rep in green colour?

If it's giving this: http://www.sb-innovation.de/enlighten/reputation/reputation_grey.gif

Then your rep power isn't high enough. You can increase it by posting or receiving reps.