I am trying to mirror this object however it won't mirror properly. Here is what I want to mirror: Click image for larger version. 

Name:	IMG_20140518_165307.jpg 
Views:	98 
Size:	1.58 MB 
ID:	74211

I selected the border as shown then hit "Symmetry" in the modifier drop down menu. I want to create the other side of the pants by mirroring the side I already have.

The symmetry modifier is not mirroring down the center line it seems to be mirroring diagonally. Here is what I got when I tried to mirror the pants: Click image for larger version. 

Name:	IMG_20140518_165342.jpg 
Views:	92 
Size:	1.51 MB 
ID:	74212
Here is also a picture of the symmetry settings: Click image for larger version. 

Name:	IMG_20140518_165350.jpg 
Views:	110 
Size:	1.85 MB 
ID:	74213

Why is the symmetry modifier not mirroring down the center? Please Help!

Thanks a lot