He left office after his second term as Czech president ended on 2 February 2003 ; VÃ clav Klaus was elected his successor on 28 February 2003 . Klaus was one of Havel 's greatest political opponents . Havel left office after his second term as Czech president ended on 2 February 2003 ; VÃ clav Klaus , one of his greatest political opponents , was elected his successor on 28 February 2003 .