rem: var aserv=Components.classes["@mozilla.org/atom-service;1"].createInstance(Components.interfaces.nsIAtomService); 
add: var aserv=Components.classes["@mozilla.org/atom-service;1"].getService(Components.interfaces.nsIAtomService); 
context:    getCellProperties : function( row,column, props )   {       calendarToDo = gTaskArray[row];      var aserv=Components.classes["@mozilla.org/atom-service;1"].createInstance(Components.interfaces.nsIAtomService);      // Moz1.8 trees require column.id, moz1.7 and earlier trees use column.      if( (typeof(column)=="object" ? column.id : column) == "unifinder-todo-tree-col-priority" )      {      if(calendarToDo.priority > 0 && calendarToDo.priority < 5)         props.AppendElement(aserv.getAtom("highpriority"));      if(calendarToDo.priority > 5 && calendarToDo.priority < 10)         props.AppendElement(aserv.getAtom("lowpriority"));                                                        }      props.AppendElement(aserv.getAtom(ToDoProgressAtom(calendarToDo)));   },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/14d1dbe1967c42e09abd6e71594e5e31089c15e9/unifinderToDo.js/buggy/calendar/resources/content/unifinderToDo.js