Card Rulings talk:Ceasefire

i was wondering if i activate ceasefire while i have 2 facedown flip flop frogs on the field and my opponent has 3 monsters on the field, does a chain start or does ceasefire go first and then flip flop frog activates, and i another question with the same scenario what about if my opponent attacks one of my facedown flip flop frogs and i activate ceasefire will my frog flip up my opponents monster and cancel the attk or does it still flip up one of my opponents monster and then it gets destroyed and it doesn't cancel the attk. Also the effect of flip flop frog is when it is flipped up, which effects activate first