anchor.diff:  											this.attr.class = "old";
   										});
   									}
  -									return data.tree;
  +                                    return data.tree;
   								}
   							}
   							//correct_state: true
  
positive.code: 					}
  					return false;
  				};
  
  				/**
  				 * Returns a summary about signup for this group.
  
negative.code: 								},
  								dataType: "json",
  								success: function (data) {
                                      data.tree.sort(treeSort);
  									if ("UPCOMING" == data.range) {
  										data.tree.push({
  											"attr":{"id": data.dept+"-PREVIOUS"},
  