Yes, it is, you will find it at the bottom of the material properties:
(you have to deselect the check box if you don't want writing the Z buffer)
But in this case, the best solution would be a "hard alpha transparency", I think:
But in this case, the best solution would be a "hard alpha transparency", I think:
Thank you very much, worked like a charm! 
Newly created posts will remain inaccessible for others until approved by a moderator.
The last reply was more than 60 days ago, this thread is most likely obsolete. It is recommended to create a new thread instead.
