;(function(window){

  var
    // Is Modernizr defined on the global scope
    Modernizr = typeof Modernizr !== "undefined" ? Modernizr : false,

    // Always expect both kinds of event
    buttonPressedEvent = 'touchstart click',

    // List of all animation/transition properties
    // with its animationEnd/transitionEnd event
    animationEndEventNames = {
      'WebkitAnimation' : 'webkitAnimationEnd',
      'OAnimation' : 'oAnimationEnd',
      'msAnimation' : 'MSAnimationEnd',
      'animation' : 'animationend'
    },

    transitionEndEventNames = {
      'WebkitTransition' : 'webkitTransitionEnd',
      'OTransition' : 'oTransitionEnd',
      'msTransition' : 'MSTransitionEnd',
      'transition' : 'transitionend'
    },

    Effeckt = function() {
      this.init();
    };

  // Current version.
  Effeckt.version = '0.0.1';

  // Initialization method
  Effeckt.prototype.init = function() {
    this.buttonPressedEvent = buttonPressedEvent;

    //event trigger after animation/transition end.
    this.transitionEndEventName = Modernizr ? transitionEndEventNames[Modernizr.prefixed('transition')] : getTransitionEndEventNames();
    this.animationEndEventName  = Modernizr ? animationEndEventNames[Modernizr.prefixed('animation')] : getAnimationEndEventNames();
    this.transitionAnimationEndEvent = this.animationEndEventName + ' ' + this.transitionEndEventName;
  };

  Effeckt.prototype.getViewportHeight = function() {

    var docElement = document.documentElement,
      client = docElement['clientHeight'],
      inner = window['innerHeight'];

    if( client < inner )
      return inner;
    else
      return client;
  };

  // Get all the properties for transition/animation end
  function getTransitionEndEventNames() {
    return _getEndEventNames( transitionEndEventNames );
  }

  function getAnimationEndEventNames() {
    return _getEndEventNames( animationEndEventNames );
  }

  function _getEndEventNames(obj) {
    var events = [];

    for ( var eventName in obj ) {
      events.push( obj[ eventName ] );
    }

    return events.join(' ');
  }

  // Creates a Effeckt object.
  window.Effeckt = new Effeckt();

})(this);