[olexandr]

this.onMouseDown = function() {
	var sub:MovieClip = this.createEmptyMovieClip('sub'+this.getNextHighestDepth(), this.getNextHighestDepth());
	sub._x = this._xmouse;
	sub._y = this._ymouse;
	this.onMouseMove = function() {
		sub.clear();
		sub.lineStyle(2,0,100);
		sub.moveTo(0,0);
		sub.lineTo(0,this._ymouse-sub._y);
		sub.lineTo(this._xmouse-sub._x,this._ymouse-sub._y);
		sub.lineTo(this._xmouse-sub._x,0);
		sub.lineTo(0,0);
	};
};
this.onMouseUp = function() {
	delete this.onMouseMove;
};