I do know quite alot about Christianity. After all, I have been a Christian for 17 years and went to Church EVERY week (obviously by name only, but now I have withdrawn form Christianity). In Catholicism the Ten commandments are very relevant. I was brought up with it. I heard them in Church, I was taught them in a Catholic school. They are extremely relevant, I don't know what you are talking about. Even though they were taught in the Old Testament, Christianity still does recognise it. Jesus was recognised as the new covenant that overwrote the Jewish dietry\circumcision laws. The old laws of Moses ie. 10 commandments, were still kept and are still alive today, and that's why I, and everybody else was taught them under Christian power. (This may only be in my country, I could be wrong, please correct me if I am).
Please read my posts before commenting people, not just the first one! I can't be bothered explaining things I have already explained, for instance, this guy said I have no interest in Christianity. I made it quite clear that I was very interested in all religions, especially Christianity! Just because I don't believe what they teach, it doesn't mean I don't admire their orginality and creativity.