big problem in my marriage, help

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Here it goes, I was married in Nov 06. Right now my husband and I are not together, still married though. When we had gotten married it was against parents wishes, to make that part of the story short my family forgave us and everything was ok, for the time being, but soon after our marriage things began to fall apart, see I got pregnant and my husband was not acting like the way a man should with his wife. So I left him when I was about 4 months in my pregnancy, I went home to my parents. Which by the way they live in the us and I was in Egypt at the time, but anyways, I still tired to make my marriage work, but my husband was being selfish. Soon I had a baby boy and my marriage was still not so good. To make this all short. The situation I am in now is that, my husband has disrespected my father a number of times, but my father still for gave my husband. Well now my father has no more remorse for my husband because he did it to him quite a few times. My husband now is in the state that he has sent money for his son, but after one year of not. He also sent a letter that if I were to go back to him that I could travel as needed with taking his son. He wants to work things out but my family (father) has tired with him and my husband every time disrespected him. Well now my father is against working it out so are his parents, I am having a hard time trusting him not to hurt me sense he has before, my son is in the middle of this. I do not know what is wrong from right in this situation. I love my husband and want a family but I love my father, he was there for me when my husband wasn’t. In the Muslim religion, the husband is suppose to treat his wife with kindness and look after her, the wife should listen to her husband, and treat him with the same. I treated him so well, and he was not good to me. Now he says he was wrong that he loves me and he will show me for starters he sent me money for me and his son he sent the paper that states me and him could travel when needed (his son needs permission to travel from the father) this paper gives me the right to travel and take his son as I need. But see my father now says he will have nothing to do with me if I go. Help I don’t know what to do.

hi everyone thanks for the advice in this thread..
Its been about four months now from when i said i wasnt going to my husband. but now he called me and said that he has made bad chioces again. he said he wants to come here to the US where i am. and he wants to see his son and make things better with me. then of course that i had given him my time and trusted his word he now has went back and foruth with his word.. i dont understand i keep pray that Allah has claimbed him down, that maybe he has changed.. Can people change? well anyways when he did this to me after the second time he did it i said thats it. i dont belive him to my self. i begain to treat him so cold, i even sometimes just dont answer his phone calls because im in such a hurt and upset mood, one of the times he had sent me a message saying thank u and i didnt respond so he sent another saying u are cold and this is clear thank u bye i snaped and said ur welcome bye. he then had sent a email telling me that this was the last time he will give me the change to disrespect him ever again, then he blocked me off his messenger list. i deleated the entire messenger because i found out he had done this, i sent him a message saying you palyed with my head, im filing the devorce. i feel disrespected.I went though so much because of him. it hurts me to have to treat him this way, but i do this so i wouldnt get hurt any further, but i think its to late. i am hurt like new again. i try and tell myself that this is been to long, my son and i will be fine inshallah, i cant take this i should be stronger and my father and my family is done trying to make things work. ( read this thread from the beginning if this seems confusing to understand the whole issue) he has hurt me time and time again. i am so confused i mean i think i should end the marraige once and for all, but then i find myself crying over my son who has not seen his daddy and for him who hasnt seen his son,(this kills me inside). Then i remeber everything from the beginning and i get my self so down that i end up sending him messages tell him its his fault that im so hurt.