Planning for a warship and a supply vessel to go through long distances is not a 5 day afair. This trip would have been planned (in conjunction with the Syrians) months ago. It has nothing to do with Mubarak's downfall. Iranians mullahs are not as stupid as the Israeli media would like to believe. They know very well their battleship (their best as it might be) is absolutely no match against the might of Israel. Israel is blowing this out of proportion so the US law makers would be more willing to give bigger military grants to Israel.
Bomb in Lebanon targets bus heading to Syria, no casualties (Reuters)
from the article: Iran is celebrating Mubarak downfall with Suez crossing