THIRD Door weatherstrip or gasket????? HELP!!!!!

I have a 1998 S-10 X-Cab LS 4.6 v-6.
I am trying to find out what I need to order to fix this weatherstrip/window gasket? issue.I posted these photo''''s to see if someone might know if the part the arrows point too are onw piece or two and what it''''s called? I have this site( http://www.lmctruck.com/icatalog/cst/t.aspx ) to reference parts but I have no idea which it is. Please help.
Thanks!!!!!

http://i4.photobucket.com/albums/y115/dmhoo29/truck101.jpg

http://i4.photobucket.com/albums/y115/dmhoo29/truck103.jpg

http://i4.photobucket.com/albums/y115/dmhoo29/truck102.jpg