But i know something. Like i want like a double door, that opens and one part goes to the right, and the other part will go the the left. like this:
Click image for larger version.  Name: door1.PNG  Views: 62  Size: 238.1 KB  ID: 662Click image for larger version.  Name: door2.PNG  Views: 63  Size: 202.4 KB  ID: 663