(Indonesian presidential candidate Joko "Jokowi" Widodo runs on the stage after delivering a speech in front of his supporters at Gelora Bung Karno stadium in Jakarta July 5, 2014. The closest and dirtiest presidential race in Indonesia's young democracy could be decided on Wednesday among the mosques and rice paddies of West Java, the nation's most populous province. Former special forces chief Prabowo Subianto and Jakarta Governor Joko "Jokowi" Widodo are running neck-and-neck in opinion polls, leaving markets in Southeast Asia's largest economy under pressure and on tenterhooks awaiting the outcome. Picture taken July 5, 2014. REUTERS/Darren Whiteside )

(Indonesian presidential candidate Joko “Jokowi” Widodo runs on the stage after delivering a speech in front of his supporters at Gelora Bung Karno stadium in Jakarta July 5, 2014. REUTERS/Darren Whiteside )