ActionScript 3.0 :: Incrementing Through Instances Of Movieclips To Get Them Into An Array?

the user needs to select an answer from a dropdown list.� I am then creating� an array that will store the answer to each question when the user clicks the submit button.� Each of the drop down menus is named sequentially.� So what I am trying to do is write� a while loop that will increment through and read each of the values into the array so I can process the responses later.� The issue that I am having is writing the syntax to recognize the Instance name of the specific drop down I am trying to reference.
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Here is the basic code I am using:
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var Store:Array = new Array(2);
public var Increment:Number;
Increment = 1;

[code]....

So the DropDowns instance names are DropDown1, DropDown2 etc...� It works fine if I manually enter in each instance name (but there are 43 total and I don't want to do each one individually).��
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I am assuming that I need to setup some sort of variable to temporarily add the increment number to the "DropDown" and then use that as the reference:
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Increment = 1;
while (Increment <=2){
ItemNumber = "DropDown" + Increment;
Store[Increment] = MovieClip(Scroller2.Form_Scroller.content).ItemNumber.value;
trace(Store);
Increment++;
}
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But when I do that, I get the following error message:
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TypeError: Error #1010: A term is undefined and has no properties.
at combotest/submitted()
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I assume this is because it is looking for an instance of ItemNumber instead of the instance of the value of ItemNumber.�