I agree. I had to write my own code do do stuff like you describe.
Event.__observe = Event.observe;
Event.observe = function(element, name, observer, useCapture, observe)
{
observe = (typeof(observe) == 'undefined' ? true : observe);
return new Event.Observer(element, name, observer, useCapture,
observe);
};
Event.Observer = function (element, name, observer, useCapture,
observe){
this.element = element;
this.name = name;
this.observer = observer;
this.useCapture = useCapture;
observe ? this.start() : this.stop();
/* prevent memory leaks in IE */
if (Prototype.Browser.IE){
Event.__observe(window, 'unload',
Event.unloadObserver.bindAsEventListener(Event, this));
}
};
Event.unloadObserver = function(observer){
observer.element = null;
observer.observer = null;
};
Event.Observer.prototype = new function(){
this.stop = function(){
if (!this.observe){
return;
}
Event.stopObserving(this.element, this.name, this.observer,
this.useCapture);
this.observe = false;
};
this.start = function(){
if (this.observe){
return;
}
Event.__observe(this.element, this.name, this.observer,
this.useCapture);
this.observe = true;
};
};
So now I can do this
var observer = Event.observe( ... );
observer.stop();
observer.start();
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