Bizarre i've got weird problem

programming flash
1

i’ve got weird problem

thisMc is a global of where the sounds are held

i have a load of sounds in a file that are being called up
They have been created with a specific target each and attached to the new sound object which is based in thisMc

If i run this script below everything works fine
But if i then load it into another movie in the trace in the “thisMc[newSndSay]”
it comes out as an object, so it knows it’s a sound object and says that properties are position, duration, etc… but these values come out undefined whereas they run fine when run just within itself

thisMc is a global of where the sounds are held

_global.sayAnimal=function(){
	var newSndSay = thisMc.sound_array[_global.goBackFrm-1][1];
	for(var x in thisMc[newSndSay]){
		trace("in = "+x);
		trace("in2 = "+thisMc[newSndSay][x]);
	}
	thisMc[newSndSay].start(0,1);
	pushSndSayPos = "no";
	_global.sndPlayin = "yes";
	
	var sndSayDur = thisMc[newSndSay].duration;
	thisMc.onEnterFrame = function() {
		if (thisMc[newSndSay].position == sndSayDur && pushSndSayPos == "yes") {
			_global.sndPlayin = "no";
			delete thisMc.onEnterFrame;
		}
		pushSndSayPos = "yes";
	}
}

anybody any clue?!?

Cheers
andy