Off-Side Rule cancel Vela Gol

The controversy occurred when Mexico goalkeeper thrilling success of South African host, at the World Cup inaugural match in 2010. Carlos Vela scored in the 37th minute the referee disallowed, because it is considered in the off-side position.
 Ravshan Irmatov Ubzekistan referee, decided to cancel the goal line after a judge raised the flag belongs to Arsenal striker signs are already in the off-side position.
 Mexican players controversy and protests ensued. Because, they see in front of the Vela South African midfielder Steven Pienaar there. This is where the off-side rules are a bit confusing it is run by the referee.
 Pienaar himself was not a goalkeeper. But the off-side rules do not differentiate or not the goalkeeper goalkeeper. Off-side occur if the attacker receives the ball and just deal with only one opposing players in front of him, although it was not the goalkeeper, (in this case that position is occupied Pienaar).
 Public may be familiar with the football off-side rules, if an attacker receives the ball and stay confronted with the goalie. In the case of Vela scored, Piennar who served as the last man (goalkeeper), after goalkeeper Itumeleng Khune, was developed to cut the corner.
 If referring to the off-side rule, figure line judge who was the assistant referee must be very familiar with these rules. And his decision raised the flag is right.