var c = new Component();
            c.left = -200;
            c.width = 200;
            c.height = 200;
            c.backgroundColor = 0xFF0000;
            c.id = "panel";
            Screen.instance.addComponent(c);

            var b = main.findComponent("out", Button);
            b.onClick = function(e) {
                c.addClass(":show");
                c.removeClass(":hide");
            }

            var b = main.findComponent("in", Button);
            b.onClick = function(e) {
                c.addClass(":hide");
                c.removeClass(":show");
            }