How to Delete and reset button Events

Question

according to the idea . i am working on ...at one point i
will need to delete an event ... but further down in the script i
am going to need this event once more how can .i get back an event
after deleting it please look at my eg.

Answer 1

//
//kingston buttons
mcKing.onRollOver = function():Void {
this.gotoAndPlay(2);
mcKing.onRollOut = function():Void {
mcKing.onRelease = function():Void {
delete this.onRollOut;
this.onRollOut;
loadMovieNum("kings_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
//mcKing.gotoAndStop(1);
mcKing.onRollOut;
mcCath.gotoAndStop(1);
mcCath.onRollOut;
mcClaren.gotoAndStop(1);
mcClaren.onRollOut;
mcManc.gotoAndStop(1);
mcManc.onRollOut;
mcEliz.gotoAndStop(1);
mcEliz.onRollOut;
mcWest.gotoAndStop(1);
mcWest.onRollOut;
mcHano.gotoAndStop(1);
mcHano.onRollOut;
mcJames.gotoAndStop(1);
mcJames.onRollOut;
mcTrel.gotoAndStop(1);
mcTrel.onRollOut;
mcAnn.gotoAndStop(1);
mcAnn.onRollOut;
mcMary.gotoAndStop(1);
mcMary.onRollOut;
mcThom.gotoAndStop(1);
mcThom.onRollOut;
mcPort.gotoAndStop(1);
mcPort.onRollOut;
//st. catherine button
mcCath.onRollOver = function():Void {
this.gotoAndPlay(2);
mcCath.onRollOut = function():Void {
this.gotoAndPlay(1);
mcCath.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("stcath_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
//Clarendon buttons
mcClaren.onRollOver = function():Void {
this.gotoAndPlay(2);
mcClaren.onRollOut = function():Void {
this.gotoAndPlay(1);
mcClaren.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("clarendon_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
// manchester button
mcManc.onRollOver = function():Void {
this.gotoAndPlay(2);
mcManc.onRollOut = function():Void {
this.gotoAndPlay(1);
mcManc.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("manc_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
// st.Elizibeth buttons
mcEliz.onRollOver = function():Void {
this.gotoAndPlay(2);
mcEliz.onRollOut = function():Void {
this.gotoAndPlay(1);
mcEliz.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("steliz_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
// westmoreland button
mcWest.onRollOver = function():Void {
this.gotoAndPlay(2);
mcWest.onRollOut = function():Void {
this.gotoAndPlay(1);
mcWest.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("west_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
// hanova buttons
mcHano.onRollOver = function():Void {
this.gotoAndPlay(2);
mcHano.onRollOut = function():Void {
this.gotoAndPlay(1);
mcHano.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("hano_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
//st. James buttons
mcJames.onRollOver = function():Void {
this.gotoAndPlay(2);
mcJames.onRollOut = function():Void {
this.gotoAndPlay(1);
mcJames.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("stjames_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
// Trelawny buttons
mcTrel.onRollOver = function():Void {
this.gotoAndPlay(2);
mcTrel.onRollOut = function():Void {
this.gotoAndPlay(1);
mcTrel.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("trelaw_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
// st. Anns button
mcAnn.onRollOver = function():Void {
this.gotoAndPlay(2);
mcAnn.onRollOut = function():Void {
this.gotoAndPlay(1);
mcAnn.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("stann_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
//st mary button
mcMary.onRollOver = function():Void {
this.gotoAndPlay(2);
mcMary.onRollOut = function():Void {
this.gotoAndPlay(1);
mcMary.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("stmary_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
// st. thomas button
mcThom.onRollOver = function():Void {
this.gotoAndPlay(2);
mcThom.onRollOut = function():Void {
this.gotoAndPlay(1);
mcThom.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("stthom_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);
// portland buttons
mcPort.onRollOver = function():Void {
this.gotoAndPlay(2);
mcPort.onRollOut = function():Void {
this.gotoAndPlay(1);
mcPort.onRelease = function():Void {
delete this.onRollOut;
loadMovieNum("portland_shell.swf", 2);
clearInterval(_level2.mcYellowLoader.nInterval);