Issues targeting Movie clip names through an array

programming flash
1

HELP! this is driving me crazy… I’m simply trying to target an array of movie clip instances, but cannot seem to get it right. The names placed directly on the root work, but not the ones that are placed inside a separate clip imported via loadMovie & named “additionalRow”?!

here is the code:

var instanceArray:Array = [additionalRow.FalconsMC, additionalRow.SeahawksMC, VikingsMC, additionalRow.PanthersMC];
var arrayLength:Number = instanceArray.length;
for (var i:Number = 0; i<arrayLength; i++) {
//this.additionalRow.instanceArray*.tween("_alpha", 50, 1, 0);
this.instanceArray*.tween("_alpha", 50, 1, 0);
}

any help would be greatly appreciated.