[MX] Dynamic setGroupName

I’m trying to dynamically group FRadioButtonSymbols.

I have the values of the buttons being dynamically generated, but am stuck getting the buttons to group in sets of 2.

my data string is:
This part of the string would be Group1:
&Name0=Team1&DataRow0=MIN&Name1=Team2&DataRow1=GB
This part of the string would be Group2:
&Name2=Team1&DataRow2=TB&Name3=Team2&DataRow3=PHI

If I try to assign a group name in the data string, it defaults to the last group name.

The code I’m trying to use is:
function AddItems() {
numItems = myData.NumItems;

defaultX = 40;
defaultY = 40;

for (i=0; i<numItems; i++) {
		
		RadioID = "Radio"+i;
		attachMovie("FRadioButtonSymbol", RadioID, i);

		RadioID = eval(RadioID);
		
		RadioID.setSize(150); 
		
		RadioID._x = defaultX;			
		RadioID._y = defaultY + (i * 20);
					
		var radioGroup  = eval("myData.Group");
		
		var Name 		= eval("myData.Name"+i);
		var DataRow 	= eval("myData.DataRow"+i);
		
		RadioID.setGroupName(radioGroup);
		RadioID.setData(DataRow); 
		RadioID.setLabel(Name);
		
}
radioGroup.setChangeHandler("SelectItem");

}

function SelectItem(){

_root.Name = radioGroup.getValue();

}