ImageEditor.Adjust = { initialize: function() { this.perform = ImageEditor.Adjust.perform.bind(this); this.setListener = ImageEditor.Adjust.setListener.bind(this); this.setListener(); }, setListener: function() { Element.toggle($('AdjustMenu')); Event.observe('AdjustButton','click',this.perform); }, perform: function() { Element.toggle($('AdjustMenu')); } }