Need help to continue onenterframe

programming flash
1

The following code breaks itself. How can I fix it?

arrNumber = 0;
this.holder_mc.onEnterFrame = function() {
	_root.holder_mc[edges[_root.arrNumber]]._width = 44-_root.holder_mc._x;
	if (_root.arrNumber < _root.edges.length) {
		_root.arrNumber = _root.arrNumber+1;
	}
};