/*
  link-list:
 
    English:
 
      [http://en.wikipedia.org/wiki/Observer_pattern]   - Observer Pattern
      [http://en.wikipedia.org/wiki/Publish/subscribe]  - publish-subscribe
      [http://en.wikipedia.org/wiki/Signals_and_slots]  - Signals and Slots
 
      [http://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113/]
      [http://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113/events.html]
      [http://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113/ecma-script-binding.html]
 
    Deutsch/German:
      [http://de.wikipedia.org/wiki/Observer_(Entwurfsmuster)]  - Observer (Entwurfsmuster) / publish-subscribe
      [http://de.wikipedia.org/wiki/Signal-Slot-Konzept]        - Signal-Slot-Konzept
*/
 
 
(function (ns) {
 
 
  ns = (ns/*[custom_namespace]*/ || this/*[global|scripting_host]*/);
  ns["EventTargetProvider"] = (function () { // [EventTargetProvider] Module/Singleton becomes an implementation either - if provided - of a custom namespace otherwise of the global namespace.
 
 
    var exposeImplementation = Object.prototype.toString,
 
    Detect = { // typedetection
      isString :(function (regXBaseClass, expose) {
        return (function (obj/*:[object|value]*/) { /*:[true|false]*/
 
          return regXBaseClass.test(expose.call(obj));
        });
      })((/^\[object\s+String\]$/), exposeImplementation),
 
      isFunction : (function (obj/*:[object|value]*/) { /*:[true|false]*/ 
        return ((typeof obj == "function") && (typeof obj.call == "function") && (typeof obj.apply == "function")); // x-frame-safe and also filters e.g. mozillas [[RegExp]] implementation.
      })
    },
    Handler = { // specialized [indexOf] helper method.
      indexOf : (function (arr, fct) { /*:[number(>=0|-1)]*/
        var idx = arr.length;
        while (idx--) {
          if (arr[idx] === fct) {
            break;
          }
        }
        return idx;
      })
    },
 
 
    Event = (function (target/*:[EventTarget]*/, type/*:[string|String]*/) { // providing the [[Event]] constructor.
 
      this.constructor = Event; // arguments.callee
 
      this.target = target;
      this.type = type;
      this.timeStamp = new Date();
    }),
    EventListener = (function (target/*:[EventTarget]*/, type/*:[string|String]*/, handler/*:[Function]*/) { // providing the [[EventListener]] constructor.
 
      this.constructor = EventListener; // arguments.callee
 
      var defaultEvent = new Event(target, type); // default [Event] object
      this.handleEvent = (function (evt/*:[string|String|Event-like-Object]*/) { /*:void*/
 
        if (evt && (typeof evt == "object")) {
        //stay strictly typesafe - [dispatchEvent] never will take control of [defaultEvent] e.g trying to delegate another [target] by manipulating its event-object-like argument.
          evt.target = defaultEvent.target;
          evt.type = defaultEvent.type;
          evt.timeStamp = defaultEvent.timeStamp;
        } else {
        //create a [defaultEvent] copy.
          evt = {
            target: defaultEvent.target,
            type: defaultEvent.type,
            timeStamp: defaultEvent.timeStamp
          };
        }
        handler(evt);
      });
 
      this.getType = (function () { /*:[string]*/
        return type;
      });
      this.getHandler = (function () { /*:[Function]*/
        return handler;
      });
    }),/*
 
 
    »The concept of "Mixin"s from the perspective of
     JavaScript adds behavior to objects by delegation
     over implemented interfaces. "Trait"s  might be
     the wording that comes closest to this languages
     design.
     Furthermore, "augment" describes far better the
     mechanism behind this special kind of interface
     inheritance than "mix in" does.«
 
  */
    EventTarget = (function (indexOf, isString, isFunction) {
      return (function () { // [EventTarget] Mixin: providing the [EventTarget] interface.
 
      //this.constructor = EventTarget; // arguments.callee // this is not a constructor .
        var eventMap = { },
        removeEventListener = (function (type/*:[string|String]*/, handler/*:[Function]*/) { /*:[true|false]*/
 
          var event = eventMap[type], successfully = false;
          if (event) {
 
            var handlers = event.handlers,
            listeners = event.listeners,
            idx = indexOf(handlers, handler);
 
            if (idx >= 0) {
              handlers.splice(idx, 1);
              listeners.splice(idx, 1);
              successfully = true;
            }
          }
          return successfully;
        }),
        hasEventListener = (function (type/*:[string|String]*/, handler/*:[Function]*/) { /*:[true|false]*/
          return ((eventMap[type] || false) && (indexOf(eventMap[type].handlers, handler) >= 0));
        });
 
        this.addEventListener = this.on = (function (type/*:[string|String]*/, handler/*:[Function]*/) { /*:[EventListener|undefined]*/
 
          var reference;
          if (type && isString(type) && isFunction(handler)) {
 
            var event = eventMap[type], listener = new EventListener(this, type, handler);
            if (event) {
 
              var handlers = event.handlers,
              listeners = event.listeners,
              idx = indexOf(handlers, handler);
 
              if (idx == -1) {
                handlers.push(listener.getHandler()); // in order to store a proper handler reference that later on could be compared to.
                listeners.push(listener);
 
                reference = listener;
              } else {
                reference = listeners[idx];
              }
            } else {
              event = eventMap[type] = {};
              event.handlers = [listener.getHandler()]; // in order to store a proper handler reference that later on could be compared to.
              event.listeners = [listener];
 
              reference = listener;
            }
          }
          return reference;
        });
        this.removeEventListener = (function (typeOrListener/*:[string|String|EventListener]*/, handler/*:[Function]*/) { /*:[true|false]*/
          return ((isString(typeOrListener) && isFunction(handler) && removeEventListener(typeOrListener, handler)) || ((typeOrListener instanceof EventListener) && removeEventListener(typeOrListener.getType(), typeOrListener.getHandler())) || false);
        });
        this.hasEventListener = (function (typeOrListener/*:[string|String|EventListener]*/, handler/*:[Function]*/) { /*:[true|false]*/
          return ((isString(typeOrListener) && isFunction(handler) && hasEventListener(typeOrListener, handler)) || ((typeOrListener instanceof EventListener) && hasEventListener(typeOrListener.getType(), typeOrListener.getHandler())) || false/* or might >>return undefined<< be even better? */);
        });
        this.dispatchEvent = (function (evt/*:[string|String|Event-like-Object]*/) { /*:[true|false]*/
 
          var successfully = false,
          type = (((typeof evt == "object") && (typeof evt.type == "string") && evt.type) || ((typeof evt == "string") && evt)),
          event = (type && eventMap[type]);
 
          if (event) {
            var listeners = (event && event.listeners), len = ((listeners && listeners.length) || 0), idx = 0;
 
            if (len >= 1) {
              while (idx < len) {
 
                listeners[idx++].handleEvent(evt); // handle event dispatching serially - recommended if handler-processing is not that time consuming.
 
              //handling event dispatching kind of *green threaded* prevents freezing the user interface if dispatch cycle starts.
              //setTimeout((function () {listeners[idx++].handleEvent(evt);}), 0);        // play around adjusting timeout values.
              //setTimeout((function () {listeners[idx++].handleEvent(evt);}), 1);        // ... "" ...
              //setTimeout((function () {listeners[idx++].handleEvent(evt);}), idx);      // ... "" ...
              //setTimeout((function () {listeners[idx++].handleEvent(evt);}), (idx * 5));// ... "" ...
 
              //alternatively each object that implements the [EventTarget] interface might enclose calling its own [dispatchEvent] method into a timeout if necessary:
              // obj = {};
              // EventTargetProvider.register(obj);
              // var customEventListener = obj.addEventListener("customEvent", (function (evt) {print("onCustomEvent :\nevt : " + ((evt && ((evt.toSource && evt.toSource()) || evt.toString())) || evt) + "\n");}));
              // setTimeout((function () {obj.dispatchEvent("customEvent");}), 1);
              // obj.dispatchEvent("someOtherEvent");
              }
              successfully = true;
            }
          }
          return successfully;
        });
      });
    })(Handler.indexOf, Detect.isString, Detect.isFunction),
 
    target = (function () {var obj = {}; EventTarget.call(obj); return obj;})(), // there will be never ever any [EventTarget] instances.
 
    TARGET = {
      addListenerString : ("" + target.addEventListener),
      removeListenerString : ("" + target.removeEventListener),
      hasListenerString : ("" + target.hasEventListener),
      dispatchEventString : ("" + target.dispatchEvent)
    };
    target = Handler = Detect = exposeImplementation = null;
    delete target; delete Handler; delete Detect; delete exposeImplementation;
 
 
  /*
    objects need to be registered and/or unsubscribed explicitly in order to
    apply/augment and/or withdraw/remove [EventTarget]-properties to/from them.
  */
    return {
      register: (function (obj/*:[Object]*/) { /*:void*/ // register | sign on
 
      //do not apply this customized [EventTarget] interface to DOM-[Node] or DOM-[Element] objects or to objects that already got augmented by this customized [EventTarget] features.
        if ((typeof obj.addEventListener != "function") && !obj.attachEvent && (typeof obj.removeEventListener != "function") && !obj.detachEvent && (typeof obj.dispatchEvent != "function") && !obj.fireEvent) {
 
          EventTarget.call(obj); // applying the [EventTarget] Mixin - [obj] implements the [EventTarget] interface.
        }
        return obj;
      }),
      unsubscribe: (function (obj/*:[Object]*/) { /*:void*/ // unsubscribe | sign off
 
        if (("" + obj.addEventListener) == TARGET.addListenerString)  {
          delete obj.addEventListener;
        }
        if (("" + obj.removeEventListener) == TARGET.removeListenerString) {
          delete obj.removeEventListener;
        }
        if (("" + obj.hasEventListener) == TARGET.hasListenerString) {
          delete obj.hasEventListener;
        }
        if (("" + obj.dispatchEvent) == TARGET.dispatchEventString) {
          delete obj.dispatchEvent;
        }
      })
    };
  })(); // [EventTargetProvider] Module/Singleton becomes an implementation either - if provided - of a custom namespace otherwise of the global namespace.
 
 
  ns = null; delete ns;
  delete arguments.callee;
}).call(null/*does force the internal [this] context pointing to the [global] object*/ /*[, optional_namespace_EventTargetProvider_is_supposed_to_be_bound_to]*/);
 
 
/*
 
 
  [http://closure-compiler.appspot.com/home]
 
 
- Whitespace only   - 4.071 byte : (additionally featuring [hasEventListener])
(function(ns){(ns||this)["EventTargetProvider"]=function(){var exposeImplementation=Object.prototype.toString,Detect={isString:function(regXBaseClass,expose){return function(obj){return regXBaseClass.test(expose.call(obj))}}(/^\[object\s+String\]$/,exposeImplementation),isFunction:function(obj){return typeof obj=="function"&&typeof obj.call=="function"&&typeof obj.apply=="function"}},Handler={indexOf:function(arr,fct){var idx=arr.length;while(idx--)if(arr[idx]===fct)break;return idx}},Event=function(target,type){this.constructor=Event;this.target=target;this.type=type;this.timeStamp=new Date},EventListener=function(target,type,handler){this.constructor=EventListener;var defaultEvent=new Event(target,type);this.handleEvent=function(evt){if(evt&&typeof evt=="object"){evt.target=defaultEvent.target;evt.type=defaultEvent.type;evt.timeStamp=defaultEvent.timeStamp}else evt={target:defaultEvent.target,type:defaultEvent.type,timeStamp:defaultEvent.timeStamp};handler(evt)};this.getType=function(){return type};this.getHandler=function(){return handler}},EventTarget=function(indexOf,isString,isFunction){return function(){var eventMap={},removeEventListener=function(type,handler){var event=eventMap[type],successfully=false;if(event){var handlers=event.handlers,listeners=event.listeners,idx=indexOf(handlers,handler);if(idx>=0){handlers.splice(idx,1);listeners.splice(idx,1);successfully=true}}return successfully},hasEventListener=function(type,handler){return(eventMap[type]||false)&&indexOf(eventMap[type].handlers,handler)>=0};this.addEventListener=this.on=function(type,handler){var reference;if(type&&isString(type)&&isFunction(handler)){var event=eventMap[type],listener=new EventListener(this,type,handler);if(event){var handlers=event.handlers,listeners=event.listeners,idx=indexOf(handlers,handler);if(idx==-1){handlers.push(listener.getHandler());listeners.push(listener);reference=listener}else reference=listeners[idx]}else{event=eventMap[type]={};event.handlers=[listener.getHandler()];event.listeners=[listener];reference=listener}}return reference};this.removeEventListener=function(typeOrListener,handler){return isString(typeOrListener)&&isFunction(handler)&&removeEventListener(typeOrListener,handler)||typeOrListener instanceof EventListener&&removeEventListener(typeOrListener.getType(),typeOrListener.getHandler())||false};this.hasEventListener=function(typeOrListener,handler){return isString(typeOrListener)&&isFunction(handler)&&hasEventListener(typeOrListener,handler)||typeOrListener instanceof EventListener&&hasEventListener(typeOrListener.getType(),typeOrListener.getHandler())||false};this.dispatchEvent=function(evt){var successfully=false,type=typeof evt=="object"&&typeof evt.type=="string"&&evt.type||typeof evt=="string"&&evt,event=type&&eventMap[type];if(event){var listeners=event&&event.listeners,len=listeners&&listeners.length||0,idx=0;if(len>=1){while(idx<len)listeners[idx++].handleEvent(evt);successfully=true}}return successfully}}}(Handler.indexOf,Detect.isString,Detect.isFunction),target=function(){var obj={};EventTarget.call(obj);return obj}(),TARGET={addListenerString:""+target.addEventListener,removeListenerString:""+target.removeEventListener,hasListenerString:""+target.hasEventListener,dispatchEventString:""+target.dispatchEvent};target=Handler=Detect=exposeImplementation=null;delete target;delete Handler;delete Detect;delete exposeImplementation;return{register:function(obj){if(typeof obj.addEventListener!="function"&&!obj.attachEvent&&typeof obj.removeEventListener!="function"&&!obj.detachEvent&&typeof obj.dispatchEvent!="function"&&!obj.fireEvent)EventTarget.call(obj);return obj},unsubscribe:function(obj){if(""+obj.addEventListener==TARGET.addListenerString)delete obj.addEventListener;if(""+obj.removeEventListener==TARGET.removeListenerString)delete obj.removeEventListener;if(""+obj.hasEventListener==TARGET.hasListenerString)delete obj.hasEventListener;if(""+obj.dispatchEvent==TARGET.dispatchEventString)delete obj.dispatchEvent}}}();ns=null;delete ns;delete arguments.callee}).call(null);
 
- Whitespace only   - 3.558 byte : (does not include [hasEventListener] functionality)
(function(ns){(ns||this)["EventTargetProvider"]=function(){var exposeImplementation=Object.prototype.toString,Detect={isString:function(regXBaseClass,expose){return function(obj){return regXBaseClass.test(expose.call(obj))}}(/^\[object\s+String\]$/,exposeImplementation),isFunction:function(obj){return typeof obj=="function"&&typeof obj.call=="function"&&typeof obj.apply=="function"}},Handler={indexOf:function(arr,fct){var idx=arr.length;while(idx--)if(arr[idx]===fct)break;return idx}},Event=function(target,type){this.constructor=Event;this.target=target;this.type=type;this.timeStamp=new Date},EventListener=function(target,type,handler){this.constructor=EventListener;var defaultEvent=new Event(target,type);this.handleEvent=function(evt){if(evt&&typeof evt=="object"){evt.target=defaultEvent.target;evt.type=defaultEvent.type;evt.timeStamp=defaultEvent.timeStamp}else evt={target:defaultEvent.target,type:defaultEvent.type,timeStamp:defaultEvent.timeStamp};handler(evt)};this.getType=function(){return type};this.getHandler=function(){return handler}},EventTarget=function(indexOf,isString,isFunction){return function(){var eventMap={},removeEventListener=function(type,handler){var event=eventMap[type],successfully=false;if(event){var handlers=event.handlers,listeners=event.listeners,idx=indexOf(handlers,handler);if(idx>=0){handlers.splice(idx,1);listeners.splice(idx,1);successfully=true}}return successfully};this.addEventListener=this.on=function(type,handler){var reference;if(type&&isString(type)&&isFunction(handler)){var event=eventMap[type],listener=new EventListener(this,type,handler);if(event){var handlers=event.handlers,listeners=event.listeners,idx=indexOf(handlers,handler);if(idx==-1){handlers.push(listener.getHandler());listeners.push(listener);reference=listener}else reference=listeners[idx]}else{event=eventMap[type]={};event.handlers=[listener.getHandler()];event.listeners=[listener];reference=listener}}return reference};this.removeEventListener=function(typeOrListener,handler){return isString(typeOrListener)&&isFunction(handler)&&removeEventListener(typeOrListener,handler)||typeOrListener instanceof EventListener&&removeEventListener(typeOrListener.getType(),typeOrListener.getHandler())||false};this.dispatchEvent=function(evt){var successfully=false,type=typeof evt=="object"&&typeof evt.type=="string"&&evt.type||typeof evt=="string"&&evt,event=type&&eventMap[type];if(event){var listeners=event&&event.listeners,len=listeners&&listeners.length||0,idx=0;if(len>=1){while(idx<len)listeners[idx++].handleEvent(evt);successfully=true}}return successfully}}}(Handler.indexOf,Detect.isString,Detect.isFunction),target=function(){var obj={};EventTarget.call(obj);return obj}(),TARGET={addListenerString:""+target.addEventListener,removeListenerString:""+target.removeEventListener,dispatchEventString:""+target.dispatchEvent};target=Handler=Detect=exposeImplementation=null;delete target;delete Handler;delete Detect;delete exposeImplementation;return{register:function(obj){if(typeof obj.addEventListener!="function"&&!obj.attachEvent&&typeof obj.removeEventListener!="function"&&!obj.detachEvent&&typeof obj.dispatchEvent!="function"&&!obj.fireEvent)EventTarget.call(obj);return obj},unsubscribe:function(obj){if(""+obj.addEventListener==TARGET.addListenerString)delete obj.addEventListener;if(""+obj.removeEventListener==TARGET.removeListenerString)delete obj.removeEventListener;if(""+obj.dispatchEvent==TARGET.dispatchEventString)delete obj.dispatchEvent}}}();ns=null;delete ns;delete arguments.callee}).call(null);
 
 
 
- Simple            - 2.633 byte : (additionally featuring [hasEventListener])
(function(m){(m||this).EventTargetProvider=function(){var q=Object.prototype.toString,n={isString:function(a,g){return function(h){return a.test(g.call(h))}}(/^\[object\s+String\]$/,q),isFunction:function(a){return typeof a=="function"&&typeof a.call=="function"&&typeof a.apply=="function"}},r={indexOf:function(a,g){for(var h=a.length;h--;)if(a[h]===g)break;return h}},s=function(a,g){this.constructor=s;this.target=a;this.type=g;this.timeStamp=new Date},o=function(a,g,h){this.constructor=o;var f=new s(a,g);this.handleEvent=function(i){if(i&&typeof i=="object"){i.target=f.target;i.type=f.type;i.timeStamp=f.timeStamp}else i={target:f.target,type:f.type,timeStamp:f.timeStamp};h(i)};this.getType=function(){return g};this.getHandler=function(){return h}},u=function(a,g,h){return function(){var f={},i=function(b,d){var c=f[b],e=false;if(c){var j=c.handlers;c=c.listeners;var k=a(j,d);if(k>=0){j.splice(k,1);c.splice(k,1);e=true}}return e},t=function(b,d){return(f[b]||false)&&a(f[b].handlers,d)>=0};this.addEventListener=this.on=function(b,d){var c;if(b&&g(b)&&h(d)){var e=f[b];c=new o(this,b,d);if(e){var j=e.handlers;e=e.listeners;var k=a(j,d);if(k==-1){j.push(c.getHandler());e.push(c);c=c}else c=e[k]}else{e=f[b]={};e.handlers=[c.getHandler()];e.listeners=[c];c=c}}return c};this.removeEventListener=function(b,d){return g(b)&&h(d)&&i(b,d)||b instanceof o&&i(b.getType(),b.getHandler())||false};this.hasEventListener=function(b,d){return g(b)&&h(d)&&t(b,d)||b instanceof o&&t(b.getType(),b.getHandler())||false};this.dispatchEvent=function(b){var d=false,c=typeof b=="object"&&typeof b.type=="string"&&b.type||typeof b=="string"&&b;if(c=c&&f[c]){var e=(c=c&&c.listeners)&&c.length||0,j=0;if(e>=1){for(;j<e;)c[j++].handleEvent(b);d=true}}return d}}}(r.indexOf,n.isString,n.isFunction),l=function(){var a={};u.call(a);return a}(),p={addListenerString:""+l.addEventListener,removeListenerString:""+l.removeEventListener,hasListenerString:""+l.hasEventListener,dispatchEventString:""+l.dispatchEvent};l=r=n=q=null;delete l;delete r;delete n;delete q;return{register:function(a){typeof a.addEventListener!="function"&&!a.attachEvent&&typeof a.removeEventListener!="function"&&!a.detachEvent&&typeof a.dispatchEvent!="function"&&!a.fireEvent&&u.call(a);return a},unsubscribe:function(a){""+a.addEventListener==p.addListenerString&&delete a.addEventListener;""+a.removeEventListener==p.removeListenerString&&delete a.removeEventListener;""+a.hasEventListener==p.hasListenerString&&delete a.hasEventListener;""+a.dispatchEvent==p.dispatchEventString&&delete a.dispatchEvent}}}();m=null;delete m;delete arguments.callee}).call(null);
 
- Simple            - 2.346 byte : (does not include [hasEventListener] functionality)
(function(l){(l||this).EventTargetProvider=function(){var o=Object.prototype.toString,n={isString:function(a,e){return function(f){return a.test(e.call(f))}}(/^\[object\s+String\]$/,o),isFunction:function(a){return typeof a=="function"&&typeof a.call=="function"&&typeof a.apply=="function"}},p={indexOf:function(a,e){for(var f=a.length;f--;)if(a[f]===e)break;return f}},s=function(a,e){this.constructor=s;this.target=a;this.type=e;this.timeStamp=new Date},q=function(a,e,f){this.constructor=q;var g=new s(a,e);this.handleEvent=function(i){if(i&&typeof i=="object"){i.target=g.target;i.type=g.type;i.timeStamp=g.timeStamp}else i={target:g.target,type:g.type,timeStamp:g.timeStamp};f(i)};this.getType=function(){return e};this.getHandler=function(){return f}},t=function(a,e,f){return function(){var g={},i=function(c,h){var b=g[c],d=false;if(b){var j=b.handlers;b=b.listeners;var k=a(j,h);if(k>=0){j.splice(k,1);b.splice(k,1);d=true}}return d};this.addEventListener=this.on=function(c,h){var b;if(c&&e(c)&&f(h)){var d=g[c];b=new q(this,c,h);if(d){var j=d.handlers;d=d.listeners;var k=a(j,h);if(k==-1){j.push(b.getHandler());d.push(b);b=b}else b=d[k]}else{d=g[c]={};d.handlers=[b.getHandler()];d.listeners=[b];b=b}}return b};this.removeEventListener=function(c,h){return e(c)&&f(h)&&i(c,h)||c instanceof q&&i(c.getType(),c.getHandler())||false};this.dispatchEvent=function(c){var h=false,b=typeof c=="object"&&typeof c.type=="string"&&c.type||typeof c=="string"&&c;if(b=b&&g[b]){var d=(b=b&&b.listeners)&&b.length||0,j=0;if(d>=1){for(;j<d;)b[j++].handleEvent(c);h=true}}return h}}}(p.indexOf,n.isString,n.isFunction),m=function(){var a={};t.call(a);return a}(),r={addListenerString:""+m.addEventListener,removeListenerString:""+m.removeEventListener,dispatchEventString:""+m.dispatchEvent};m=p=n=o=null;delete m;delete p;delete n;delete o;return{register:function(a){typeof a.addEventListener!="function"&&!a.attachEvent&&typeof a.removeEventListener!="function"&&!a.detachEvent&&typeof a.dispatchEvent!="function"&&!a.fireEvent&&t.call(a);return a},unsubscribe:function(a){""+a.addEventListener==r.addListenerString&&delete a.addEventListener;""+a.removeEventListener==r.removeListenerString&&delete a.removeEventListener;""+a.dispatchEvent==r.dispatchEventString&&delete a.dispatchEvent}}}();l=null;delete l;delete arguments.callee}).call(null);
 
 
*/ /*
 
 
  [closure-compiler(Simple) + edwards-packer(encoded)]
 
 
- combined                    - 2.131 byte : (additionally featuring [hasEventListener]);
eval(function(p,a,c,k,e,r){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('(2(m){(m||4).11=2(){5 q=19.18.14,n={Z:2(a,g){3 2(h){3 a.1e(g.z(h))}}(/^\\[H\\s+13\\]$/,q),U:2(a){3 6 a=="2"&&6 a.z=="2"&&6 a.1f=="2"}},r={10:2(a,g){L(5 h=a.N;h--;)8(a[h]===g)12;3 h}},s=2(a,g){4.R=s;4.y=a;4.9=g;4.A=J 1g},o=2(a,g,h){4.R=o;5 f=J s(a,g);4.M=2(i){8(i&&6 i=="H"){i.y=f.y;i.9=f.9;i.A=f.A}G i={y:f.y,9:f.9,A:f.A};h(i)};4.K=2(){3 g};4.x=2(){3 h}},u=2(a,g,h){3 2(){5 f={},i=2(b,d){5 c=f[b],e=C;8(c){5 j=c.E;c=c.F;5 k=a(j,d);8(k>=0){j.Q(k,1);c.Q(k,1);e=S}}3 e},t=2(b,d){3(f[b]||C)&&a(f[b].E,d)>=0};4.w=4.1h=2(b,d){5 c;8(b&&g(b)&&h(d)){5 e=f[b];c=J o(4,b,d);8(e){5 j=e.E;e=e.F;5 k=a(j,d);8(k==-1){j.W(c.x());e.W(c);c=c}G c=e[k]}G{e=f[b]={};e.E=[c.x()];e.F=[c];c=c}}3 c};4.B=2(b,d){3 g(b)&&h(d)&&i(b,d)||b Y o&&i(b.K(),b.x())||C};4.D=2(b,d){3 g(b)&&h(d)&&t(b,d)||b Y o&&t(b.K(),b.x())||C};4.v=2(b){5 d=C,c=6 b=="H"&&6 b.9=="V"&&b.9||6 b=="V"&&b;8(c=c&&f[c]){5 e=(c=c&&c.F)&&c.N||0,j=0;8(e>=1){L(;j<e;)c[j++].M(b);d=S}}3 d}}}(r.10,n.Z,n.U),l=2(){5 a={};u.z(a);3 a}(),p={P:""+l.w,X:""+l.B,T:""+l.D,O:""+l.v};l=r=n=q=I;7 l;7 r;7 n;7 q;3{1d:2(a){6 a.w!="2"&&!a.15&&6 a.B!="2"&&!a.1c&&6 a.v!="2"&&!a.16&&u.z(a);3 a},1b:2(a){""+a.w==p.P&&7 a.w;""+a.B==p.X&&7 a.B;""+a.D==p.T&&7 a.D;""+a.v==p.O&&7 a.v}}}();m=I;7 m;7 17.1a}).z(I);',62,80,'||function|return|this|var|typeof|delete|if|type||||||||||||||||||||||dispatchEvent|addEventListener|getHandler|target|call|timeStamp|removeEventListener|false|hasEventListener|handlers|listeners|else|object|null|new|getType|for|handleEvent|length|dispatchEventString|addListenerString|splice|constructor|true|hasListenerString|isFunction|string|push|removeListenerString|instanceof|isString|indexOf|EventTargetProvider|break|String|toString|attachEvent|fireEvent|arguments|prototype|Object|callee|unsubscribe|detachEvent|register|test|apply|Date|on'.split('|'),0,{}));
 
- combined                    - 1.967 byte : (does not include [hasEventListener] functionality)
eval(function(p,a,c,k,e,r){e=function(c){return(c<a?'':e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):c.toString(36))};if(!''.replace(/^/,String)){while(c--)r[e(c)]=k[c]||e(c);k=[function(e){return r[e]}];e=function(){return'\\w+'};c=1};while(c--)if(k[c])p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c]);return p}('(2(l){(l||5).16=2(){3 o=1d.13.12,n={P:2(a,e){4 2(f){4 a.11(e.x(f))}}(/^\\[H\\s+Z\\]$/,o),U:2(a){4 6 a=="2"&&6 a.x=="2"&&6 a.14=="2"}},p={W:2(a,e){O(3 f=a.M;f--;)7(a[f]===e)10;4 f}},s=2(a,e){5.J=s;5.y=a;5.9=e;5.z=F 1e},q=2(a,e,f){5.J=q;3 g=F s(a,e);5.L=2(i){7(i&&6 i=="H"){i.y=g.y;i.9=g.9;i.z=g.z}G i={y:g.y,9:g.9,z:g.z};f(i)};5.V=2(){4 e};5.A=2(){4 f}},t=2(a,e,f){4 2(){3 g={},i=2(c,h){3 b=g[c],d=C;7(b){3 j=b.D;b=b.B;3 k=a(j,h);7(k>=0){j.T(k,1);b.T(k,1);d=I}}4 d};5.w=5.15=2(c,h){3 b;7(c&&e(c)&&f(h)){3 d=g[c];b=F q(5,c,h);7(d){3 j=d.D;d=d.B;3 k=a(j,h);7(k==-1){j.K(b.A());d.K(b);b=b}G b=d[k]}G{d=g[c]={};d.D=[b.A()];d.B=[b];b=b}}4 b};5.v=2(c,h){4 e(c)&&f(h)&&i(c,h)||c X q&&i(c.V(),c.A())||C};5.u=2(c){3 h=C,b=6 c=="H"&&6 c.9=="N"&&c.9||6 c=="N"&&c;7(b=b&&g[b]){3 d=(b=b&&b.B)&&b.M||0,j=0;7(d>=1){O(;j<d;)b[j++].L(c);h=I}}4 h}}}(p.W,n.P,n.U),m=2(){3 a={};t.x(a);4 a}(),r={Q:""+m.w,R:""+m.v,S:""+m.u};m=p=n=o=E;8 m;8 p;8 n;8 o;4{17:2(a){6 a.w!="2"&&!a.18&&6 a.v!="2"&&!a.19&&6 a.u!="2"&&!a.1a&&t.x(a);4 a},1b:2(a){""+a.w==r.Q&&8 a.w;""+a.v==r.R&&8 a.v;""+a.u==r.S&&8 a.u}}}();l=E;8 l;8 1c.Y}).x(E);',62,77,'||function|var|return|this|typeof|if|delete|type|||||||||||||||||||||dispatchEvent|removeEventListener|addEventListener|call|target|timeStamp|getHandler|listeners|false|handlers|null|new|else|object|true|constructor|push|handleEvent|length|string|for|isString|addListenerString|removeListenerString|dispatchEventString|splice|isFunction|getType|indexOf|instanceof|callee|String|break|test|toString|prototype|apply|on|EventTargetProvider|register|attachEvent|detachEvent|fireEvent|unsubscribe|arguments|Object|Date'.split('|'),0,{}));
 
 
*/