rem: element._opacity = Element.getOpacity(element); Draggable._dragging[element] = true; new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); }, 
add: element._opacity = Element.getOpacity(element); Draggable._dragging[element] = true; new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); } 
context:       starteffect: function(element) {        element._opacity = Element.getOpacity(element);        Draggable._dragging[element] = true;        new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});       },
meta: 4973	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4973/b49b7d11801b2beff43cde091e9810cb9fe928d8/dragdrop.js/buggy/src/dragdrop.js