A300
Flight Crew Air Transport Pilot (ATP)
Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Air Traffic Control Provided Assistance; Flight Crew Diverted; Flight Crew Landed As Precaution; General Declared Emergency
Aircraft
In cruise flight at FL360 noticed smoke in cockpit. Requested a divert to [nearby suitable airport]. ATC gave us priority handling. Once established direct; First Officer flying; and a descent initiated an emergency was declared. ATC was helpful. No ECAM indications of smoke. Flew an ILS with radar vectors with Captain taking over control of airplane at approximately 13;000 FT. On rollout ECAM warning: Avionics Smoke appeared; then extinguished.  Cleared the runway; stopped aircraft; and fire trucks quickly surrounded aircraft. Smoke dissipated. Did not egress aircraft. After inspection inside and out by Fire Department we completely depowered airplane.
[Report narrative contained no additional information].
A300 flight crew reported noticing smoke in the cockpit; prompting a divert to a nearby airport.