Rio de Janeiro: Football's mecca Brazil is in a state of frenzy. With just five weeks to go for the World Cup, this soccer crazy nation is minutely monitoring every Ronaldo free kick and Ronaldinho dribble and add to that list Adriano and Kaka. The magic quartet, its legion of fans say, cannot fail."Argentina, Germany, Italy, England, Spain and France will need to battle Brazil for the cup and that's a reality. Brazil today has Ronaldinho, Kaka, Adriano, Ronaldo, Robinho. Do you think that's not enough? It's crazy," said Diego Maradona, Soccer Legend.Brazil faces Croatia on June 13 for its first match in round one of the championship. Australia and Japan are the other two teams drawn against the South American country in Group F. Brisk businessHowever, flag factories in Brazil are doing brisk business, producing millions of flags for soccer fans across the country. "We expect an increase in production of 40 per cent in relation to the same period last year," said Joao Mendes, owner of a flag factory.The green, blue and yellow banners are flying from car windows, on buildings and all along Rio de Janeiro's famous beaches.But even cheering has a price. A big flag can set the fans back by as much as $250, a big amount for many of Brazil's poorer inhabitants.