Nickhere, you asked for a link to the Hamas Charter. Here it is.

http://www.palestinecenter.org/cpap/documents/charter.html

[maybe somebody can clicky it for you, or you can paste it into your browsers address bar]

The most cogent sections, perhaps, are Part III, Articles 11-15, and Part IV, Articles 27 & 28. There, I've done your research for you. Go forth, read, and learn