cop.create('ShowClickLayer').refineClass(Morph, {\n    onMouseMove: function(evt) {\n        show(evt.mousePoint)\n        return cop.proceed(evt)\n    },\n    onMouseDown: function(evt) {\n        show(evt.mousePoint)\n        return cop.proceed(evt)\n    }\n})\n// ShowClickLayer.beGlobal();\n// ShowClickLayer.beNotGlobal();\n