add: removeEventListener('contextmenu', handleMouseUpDown, true); 
context: function stopScrolling(){  if (gScrollingView) {    gScrollingView = null;    removeEventListener('mousemove', handleMouseMove, true);    removeEventListener('mousedown', handleMouseUpDown, true);    removeEventListener('mouseup', handleMouseUpDown, true);    clearInterval(gAutoScrollTimer);  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/07a06533623373a34b7f4bd6f18d6e6cc30fcc99/utilityOverlay.js/buggy/xpfe/communicator/resources/content/utilityOverlay.js