Iran's presidential candidates cast their votes on Friday, promising their full support to the eventual victor.<br/> <br />In Tehran, President Mahmoud Ahmadinejad wished his successor the best as he cast HIS vote.<br/> <br />(SOUNDBITE) (English) IRANINA INCUMBENT PRESIDENT, MAHMOUD AHMADINEJAD, SAYING:<br/> <br />"I pray to God that he may give all his blessings to the nation of Iran, for him to give the unified society justice and help them achieve the best future."<br/> <br />Turnout was said to be high among Iran's 50 million eligible voters, and polling stations were ordered to remain open late to accommodate the lines.<br/> <br />Voters had a choice of six candidates, although none is expected to challenge the Islamic Republic's clerical rule.<br/> <br />Analysts here say a big turnout could benefit the sole moderate conservative candidate, Hassan Rohani, seen here casting his ballot.<br/> <br />(SOUNDBITE) (Farsi) FORMER CHIEF NUCLEAR NEGOTIATOR, HASSAN ROHANI, SAYING:<br/> <br />"The rest is in the hands of the peop
