Something

  Drupal.annotate.getParentPath= function( node){
  var path = '';
  var list = new Array();
	  
  $(node).parents().each( 
    function(){ 
      list.push( Drupal.annotate.getPathPart( this));
    }
  );

  list.reverse();
  path+= list.join('');
    
  return path;    
}