codice:
	...
	this.vely = this.vely * bouncefactor + (this.desty - this.posy) / speedfactor;
	id._y += Math.round(this.vely);
	// shadow properties
	shadow._width = (colorSquare._width + 20);
	shadow._x = (colorSquare._x - 10);
	shadow._height = (colorSquare._height + 20);
	shadow._y = (colorSquare._y - 10);
	id._x = 275 + (id._width / 2)
	id._y = 28 + (id._height / 2)
};
colorSquare.onEnterFrame = function()
{
	expand(this);
};