Help Meeeee

I have a piece of actionscript code which sends a chat messege using Smart Fox Server but some of the code is not working.

			if(_global.myName != "Skybucks100")
                {
					mc.bubble.gotoAndStop(2)
					mc.bubble._visible = true
					mc.bubble.message.text = msg
					mc.deactivate()
				}
    			 else 
				{
	 					if(_global.myName != "Prang123")
					{
						mc.bubble.gotoAndStop(2)
						mc.bubble._visible = true
						mc.bubble.message.text = msg
						mc.deactivate()
					}
      			 		else
						{		
							mc.bubble.gotoAndStop(1)	
							mc.bubble._visible = true
							mc.bubble.message.text = msg
							mc.deactivate()
                 		}
			}
}

I know this code is working:
mc.bubble._visible = true
mc.bubble.message.text = msg
mc.deactivate()

So the code I want you to look at the other code mainly.
I define the MC with var mc:MovieClip = avatarMC[“avatar_” + user.getId()]

And i know everything exists.

~Prang123~