 
 		public function clone(usage : uint = 0) : IndexStream
 		{
-			return new IndexStream(usage || _usage, _data, length);
+			return new IndexStream(usage || _usage, _data);
 		}
 
 		public function toString() : String

				if (length % 6 != 0)
					throw new Error();
				
				_data.writeBytes(data, offset, length);
			}
			else
			{

		}

		private function initialize(data	: ByteArray,
									length 	: uint,
									usage	: uint) : void
		{
