Don't worry rtwng, the Jews wouldn't gain control of the oil. Syria and Lebanon don't have any substancial amount of oil, and they won't get ground troops into Iran to secure the oil wells. The Gulf States such as Saudi Arabia, Kuwait, Qatar, Bahrain, Yemen, and Oman aren't going to get involved. The Saudis have condemn Hizbollah and the other states don't have any substancial armies and wouldn't want to jeopardize their relations with the US.
Their military is out, but they still hold significant influence both directly and through the proxy organizations. The Israelis might be able to purge it.
As for Syria and Iran, Syria and Iran are allies, but Syria isn't Iran's dog. Syria's leader, President Assad, the son of the former President, position is too tenuous. Many in Syria, including an uncomfortable number of people at the top of the military, think Assad is weak. Assad is in a very dangerous position. So far he has managed to hold his position, but a disasterous war with Israel (the only type of war Syria has ever had with Israel) could be the tipping point that sparks a coup or revolt. Assad realizes this fact, and he isn't going to jeopardize his own position just because Ahmadinijad wants another Holocaust. I don't expect to see any direct, aggressive military action from the Syrians. President Assad knows that in the end the only person it will hurt is him, so don't worry about the Syrians.