A worker overlays a campaign poster picturing the Czech Social Democratic Party leader Jiri Paroubek in Prague, April 30, 2010. The banner reads: "I will push through the sixty years of maternity leave". The Czech Republic will hold its general election at the end of May and competing parties accuse each other of promising economically harmful policies. REUTERS/Petr Josek(CZECH REPUBLIC - Tags: POLITICS ELECTIONS)