help removing window

ok i have a 1999 cavalier and i need to know how to remove the small window from the back door (the one that looks like a triangle)
it got broken into and i done want to have to pay 250 to get it replaced by glass company
thanks

ummm same problem here. I wen to scrapyard, they pulled a window out of a cavalier for me, cost me $25, took it to auto glass place and gave them the window and they charged 40 to put it in, 65 in total. Easiest route.