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: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/fd71ff470d3424a16226fdcd4eeb20a60dea20ce/sidebarOverlay.js/clean/xpfe/components/sidebar/resources/sidebarOverlay.js