replacing glass please help!

Have seen few ppl ask this but haven't seen answer..  Can glass just be replaced on Tmobile galaxy sII? How is best way to remove broken glass? Once you buy glass do you have to by the ashesive too? Seen adh for all galaxt sii except Tmobile.  Found glass cheap.  Started picking glass out of mine seems like you could get it all out clean just wanting some info on replacing the glass and adhesive..  Found one place to do it but want $120 glass only.$10 & adhes is only $3 think could do myself save money any info greatly appreciated

The glass is glued with the digitizer touch screen, which makes it hard to seperate them. So it needs some technique skills to replace it.