rem: OnMove : function(old_src,new_src,prop,target) {} 
add: OnMove : function(old_src,new_src,prop,target) { debug ("*** sidebar observer: move"); } 
context:   OnMove : function(old_src,new_src,prop,target) {}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/8bd01326a3d5f218e6b8becb7294cf0e0374f6b9/sidebarOverlay.js/buggy/xpfe/components/sidebar/resources/sidebarOverlay.js