[Gosha_master]

Все сравнительно проще:

r_circle.selected = r_square.selected = r_rectangle.selected = false;

var checkboxListener:Object = new Object();

checkboxListener.click = function(box) {
	var frame_go:Number;
	var type:String = box.target._name;
	
	switch (type) {
		case 'r_circle': frame_go = 1; break;
		case 'r_square': frame_go = 2; break;
		case 'r_rectangle': frame_go = 3; break;
	}
	if (box.target.selected) {	
		_root.myFigure.gotoAndStop(frame_go);
		_root.combo_var.gotoAndStop(frame_go);
	}
};

r_circle.addEventListener("click", checkboxListener);
r_square.addEventListener("click", checkboxListener);
r_rectangle.addEventListener("click", checkboxListener);

if (r_circle.selected, r_square.selected, r_rectangle.selected == false) {
	_root.myFigure.gotoAndStop(5);
	_root.combo_var.gotoAndStop(5);
}

Это вместо всего твоего кода....