Vent window glass

I had some one break into my Jeep the other day and now I need to replace this window. I was hoping to replace it with plex glass so it isnt as easy to get through. Does someone tell me how to get the factory glass out and what thickness I should use for the new glass?

http://www.naxja.org/forum/showthread.php?t=990514&highlight=vent+window

look at the link i posted in that thread too-^

Thanks! For some reason my search wasnt comeing up with that. Thanks for finding it for me.