Erko Bridee

private function filterDistinctValue(arr:ArrayCollection, field:String):ArrayCollection {
	if( arr == null || field == null || field.length == 0 ) {
		return null;
	}
 
	var arrOut:ArrayCollection = new ArrayCollection();
	var objAux:Object = {};
 
	for(var i:int = 0; i < arr.length; i++) {
		var key:String = arr[i][field]
		if( objAux[key] == null ) {
			objAux[key] = arr[i];
			arrOut.addItem( arr[i] );
		}
	}
	objAux = null;
 
	return arrOut;
}