filterXMLAssocArray

// Filters specified tags from a supplied XML Node resource by tag name.
	// Returns a new associative array with the filtered tags' attributes.
	private function filterXMLAssocArray(filterNodeName:String, xmlNodes:Array):Array{
 
		var tmpArray:Array = new Array();
 
		var indexCounter:Number = 0;
		for (var i:Number = 0; i<xmlNodes.length; i++){			
			if (xmlNodes[i].nodeName == filterNodeName){
				tmpArray[indexCounter] = new Array();
				tmpArray[indexCounter] = xmlNodes[i].attributes;
				indexCounter ++;
			}
		}
		return tmpArray;
	};