gistfile1.js

        Overlay = {
            init: function(elementToOverlay, content, options) {
                this.options = $.extend({
                    element: 'div',
                    attributes: {}
                }, options);

                this.overlay = $(html[this.options.element](this.options.attributes, content))
                    .click(this.hideOverlay)
                    .addClass('overlay-hint')
                    .show();

                this.under = elementToOverlay.hide().after(this.overlay);
                this.overlay.show();
            },

            hideOverlay: function() {
                this.under.show();
                this.overlay.hide();
            }
        }
    };
    Overlay.init.prototype = Overlay