rem: if(this.include_scroll_offsets) Position.prepare(); 
add: Position.prepare(); 
context:   show: function(event, element) {    if(!this.drops) return;    var pX = Event.pointerX(event);    var pY = Event.pointerY(event);    if(this.include_scroll_offsets) Position.prepare();        var i = this.drops.length-1; do {      var drop = this.drops[i];      if(this.is_affected(pX, pY, element, drop)) {        if(drop.droppable.onHover)           drop.droppable.onHover(            element, drop, Position.overlap(drop.droppable.overlap, drop));        if(drop.droppable.greedy) {           this.activate(drop);          return;        }      }    } while (i--);  },
meta: 4973	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4973/e2371ffc5409110da417048e1b81a38ed4e0c32e/dragdrop.js/clean/src/dragdrop.js