/*  Prototype JavaScript framework
 *  (c) 2005 Sam Stephenson <sam@conio.net>
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://prototype.conio.net/
/*--------------------------------------------------------------------------*/

//note: modified & stripped down version of prototype, to be used with moo.fx by mad4milk (http://moofx.mad4milk.net).

var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

Object.extend = function(destination, source) {
  for (property in source) destination[property] = source[property];
  return destination;
}

Function.prototype.bind = function(object) {
  var __method = this;
  return function() {
    return __method.apply(object, arguments);
  }
}

Function.prototype.bindAsEventListener = function(object) {
var __method = this;
  return function(event) {
    __method.call(object, event || window.event);
  }
}

function $() {
  if (arguments.length == 1) return get$(arguments[0]);
  var elements = [];
  $c(arguments).each(function(el){
    elements.push(get$(el));
  });
  return elements;

  function get$(el){
    if (typeof el == 'string') el = document.getElementById(el);
    return el;
  }
}

if (!window.Element) var Element = new Object();

Object.extend(Element, {
  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
  },

  hasClassName: function(element, className) {
    element = $(element);
    if (!element) return;
    var hasClass = false;
    element.className.split(' ').each(function(cn){
      if (cn == className) hasClass = true;
    });
    return hasClass;
  },

  addClassName: function(element, className) {
    element = $(element);
    Element.removeClassName(element, className);
    element.className += ' ' + className;
  },

  removeClassName: function(element, className) {
    element = $(element);
    if (!element) return;
    var newClassName = '';
    element.className.split(' ').each(function(cn, i){
      if (cn != className){
        if (i > 0) newClassName += ' ';
        newClassName += cn;
      }
    });
    element.className = newClassName;
  },

  cleanWhitespace: function(element) {
    element = $(element);
    $c(element.childNodes).each(function(node){
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) Element.remove(node);
    });
  },

  find: function(element, what) {
    element = $(element)[what];
    while (element.nodeType != 1) element = element[what];
    return element;
  }
});

var Position = {
  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return [valueL, valueT];
  }
};

document.getElementsByClassName = function(className) {
  var children = document.getElementsByTagName('*') || document.all;
  var elements = [];
  $c(children).each(function(child){
    if (Element.hasClassName(child, className)) elements.push(child);
  });
  return elements;
}

//useful array functions
Array.prototype.each = function(func){
  for(var i=0;ob=this[i];i++) func(ob, i);
}

function $c(array){
  var nArray = [];
  for (i=0;el=array[i];i++) nArray.push(el);
  return nArray;
}

/*
moo.fx, simple effects library built with prototype.js (http://prototype.conio.net).
by Valerio Proietti (http://mad4milk.net) MIT-style LICENSE.
for more info (http://moofx.mad4milk.net).
Friday, February 24, 2006
v 1.2.2
*/

var fx = new Object();
//base
fx.Base = function(){};
fx.Base.prototype = {
  setOptions: function(options) {
  this.options = {
    duration: 500,
    onComplete: '',
    transition: fx.sinoidal
  }
  Object.extend(this.options, options || {});
  },

  go: function() {
    this.startTime = (new Date).getTime();
    this.timer = setInterval (this.step.bind(this), 13);
  },

  step: function() {
    var time  = (new Date).getTime();
    if (time >= this.options.duration+this.startTime) {
      this.now = this.to;
      clearInterval (this.timer);
      this.timer = null;
      if (this.options.onComplete) setTimeout(this.options.onComplete.bind(this), 10);
    }
    else {
      var Tpos = (time - this.startTime) / (this.options.duration);
      this.now = this.options.transition(Tpos) * (this.to-this.from) + this.from;
    }
    this.increase();
  },

  custom: function(from, to) {
    if (this.timer != null) return;
    this.from = from;
    this.to = to;
    this.go();
  },

  hide: function() {
    this.now = 0;
    this.increase();
  },

  clearTimer: function() {
    clearInterval(this.timer);
    this.timer = null;
  }
}

//stretchers
fx.Layout = Class.create();
fx.Layout.prototype = Object.extend(new fx.Base(), {
  initialize: function(el, options) {
    this.el = $(el);
    var els = this.el.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    els.overflow = "hidden";
    var originalWidth = this.el.clientWidth;
    var originalHeight = this.el.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    this.el.iniWidth = originalWidth;
    this.el.iniHeight = originalHeight;
    this.setOptions(options);
  }
});

fx.Height = Class.create();
Object.extend(Object.extend(fx.Height.prototype, fx.Layout.prototype), {
  increase: function() {
    this.el.style.height = this.now + "px";
  },

  toggle: function() {
    if (this.el.offsetHeight > 0) this.custom(this.el.offsetHeight, 0);
    else this.custom(0, this.el.iniHeight);
  }
});

fx.Width = Class.create();
Object.extend(Object.extend(fx.Width.prototype, fx.Layout.prototype), {
  increase: function() {
    this.el.style.width = this.now + "px";
  },

  toggle: function(){
    if (this.el.offsetWidth > 0) this.custom(this.el.offsetWidth, 0);
    else this.custom(0, this.el.iniWidth);
  }
});

//fader
fx.Opacity = Class.create();
fx.Opacity.prototype = Object.extend(new fx.Base(), {
  initialize: function(el, options) {
    this.el = $(el);
    this.now = 1;
    this.increase();
    this.setOptions(options);
  },

  increase: function() {
    if (this.now == 1 && (/Firefox/.test(navigator.userAgent))) this.now = 0.9999;
    this.setOpacity(this.now);
  },

  setOpacity: function(opacity) {
    if (opacity == 0) this.el.style.visibility = "hidden";
    else this.el.style.visibility = "visible";
    if (window.ActiveXObject) this.el.style.filter = "alpha(opacity=" + opacity*100 + ")";
    this.el.style.opacity = opacity;
  },

  toggle: function() {
    if (this.now > 0) this.custom(1, 0);
    else this.custom(0, 1);
  }
});

//transitions
fx.sinoidal = function(pos){
  return ((-Math.cos(pos*Math.PI)/2) + 0.5);
  //this transition is from script.aculo.us
}
fx.linear = function(pos){
  return pos;
}
fx.cubic = function(pos){
  return Math.pow(pos, 3);
}
fx.circ = function(pos){
  return Math.sqrt(pos);
}

/*
moo.fx pack, effects extensions for moo.fx.
by Valerio Proietti (http://mad4milk.net) MIT-style LICENSE
for more info visit (http://moofx.mad4milk.net).
Friday, February 24, 2006
v 1.2.2
*/

//smooth scroll
fx.Scroll = Class.create();
fx.Scroll.prototype = Object.extend(new fx.Base(), {
  initialize: function(options) {
    this.setOptions(options);
  },

  scrollTo: function(el){
    var dest = Position.cumulativeOffset($(el))[1];
    var client = window.innerHeight || document.documentElement.clientHeight;
    var full = document.documentElement.scrollHeight;
    var top = window.pageYOffset || document.body.scrollTop || document.documentElement.scrollTop;
    if (dest+client > full) this.custom(top, dest - client + (full-dest));
    else this.custom(top, dest);
  },

  increase: function(){
    window.scrollTo(0, this.now);
  }
});

//text size modify, now works with pixels too.
fx.Text = Class.create();
fx.Text.prototype = Object.extend(new fx.Base(), {
  initialize: function(el, options) {
    this.el = $(el);
    this.setOptions(options);
    if (!this.options.unit) this.options.unit = "em";
  },

  increase: function() {
    this.el.style.fontSize = this.now + this.options.unit;
  }
});

//composition effect: widht/height/opacity
fx.Combo = Class.create();
fx.Combo.prototype = {
  setOptions: function(options) {
    this.options = {
      opacity: true,
      height: true,
      width: false
    }
    Object.extend(this.options, options || {});
  },

  initialize: function(el, options) {
    this.el = $(el);
    this.setOptions(options);
    if (this.options.opacity) {
      this.el.o = new fx.Opacity(el, options);
      options.onComplete = null;
    }
    if (this.options.height) {
      this.el.h = new fx.Height(el, options);
      options.onComplete = null;
    }
    if (this.options.width) this.el.w = new fx.Width(el, options);
  },

  toggle: function() { this.checkExec('toggle'); },

  hide: function(){ this.checkExec('hide'); },

  clearTimer: function(){ this.checkExec('clearTimer'); },

  checkExec: function(func){
    if (this.el.o) this.el.o[func]();
    if (this.el.h) this.el.h[func]();
    if (this.el.w) this.el.w[func]();
  },

  //only if width+height
  resizeTo: function(hto, wto) {
    if (this.el.h && this.el.w) {
      this.el.h.custom(this.el.offsetHeight, this.el.offsetHeight + hto);
      this.el.w.custom(this.el.offsetWidth, this.el.offsetWidth + wto);
    }
  },

  customSize: function(hto, wto) {
    if (this.el.h && this.el.w) {
      this.el.h.custom(this.el.offsetHeight, hto);
      this.el.w.custom(this.el.offsetWidth, wto);
    }
  }
}

fx.Accordion = Class.create();
fx.Accordion.prototype = {
  setOptions: function(options) {
    this.options = {
      delay: 100,
      opacity: false
    }
    Object.extend(this.options, options || {});
  },

  initialize: function(togglers, elements, options) {
    this.elements = elements;
    this.setOptions(options);
    var options = options || '';
    elements.each(function(el, i){
      options.onComplete = function(){
        if (el.offsetHeight > 0) el.style.height = 'auto';
      }
      el.fx = new fx.Combo(el, options);
      el.fx.hide();
    });

    togglers.each(function(tog, i){
      tog.onclick = function(){
        this.showThisHideOpen(elements[i]);
      }.bind(this);
    }.bind(this));
  },

  showThisHideOpen: function(toShow){
    if (toShow.offsetHeight == 0) setTimeout(function(){this.clearAndToggle(toShow);}.bind(this), this.options.delay);
    this.elements.each(function(el, i){
      if (el.offsetHeight > 0 && el != toShow) this.clearAndToggle(el);
    }.bind(this));
  },

  clearAndToggle: function(el){
    el.fx.clearTimer();
    el.fx.toggle();
  }
}

var Remember = new Object();
Remember = function(){};
Remember.prototype = {
  initialize: function(el, options){
    this.el = $(el);
    this.days = 365;
    this.options = options;
    this.effect();
    var cookie = this.readCookie();
    if (cookie) {
      this.fx.now = cookie;
      this.fx.increase();
    }
  },

  //cookie functions based on code by Peter-Paul Koch
  setCookie: function(value) {
    var date = new Date();
    date.setTime(date.getTime()+(this.days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
    document.cookie = this.el+this.el.id+this.prefix+"="+value+expires+"; path=/";
  },

  readCookie: function() {
    var nameEQ = this.el+this.el.id+this.prefix + "=";
    var ca = document.cookie.split(';');
    for(var i=0;c=ca[i];i++) {
      while (c.charAt(0)==' ') c = c.substring(1,c.length);
      if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return false;
  },

  custom: function(from, to){
    if (this.fx.now != to) {
      this.setCookie(to);
      this.fx.custom(from, to);
    }
  }
}

fx.RememberHeight = Class.create();
fx.RememberHeight.prototype = Object.extend(new Remember(), {
  effect: function(){
    this.fx = new fx.Height(this.el, this.options);
    this.prefix = 'height';
  },

  toggle: function(){
    if (this.el.offsetHeight == 0) this.setCookie(this.el.scrollHeight);
    else this.setCookie(0);
    this.fx.toggle();
  },

  resize: function(to){
    this.setCookie(this.el.offsetHeight+to);
    this.fx.custom(this.el.offsetHeight,this.el.offsetHeight+to);
  },

  hide: function(){
    if (!this.readCookie()) {
      this.fx.hide();
    }
  }
});

fx.RememberText = Class.create();
fx.RememberText.prototype = Object.extend(new Remember(), {
  effect: function(){
    this.fx = new fx.Text(this.el, this.options);
    this.prefix = 'text';
  }
});

//useful for-replacement
Array.prototype.each = function(func){
  for(var i=0;ob=this[i];i++) func(ob, i);
}

//Easing Equations (c) 2003 Robert Penner, all rights reserved.
//This work is subject to the terms in http://www.robertpenner.com/easing_terms_of_use.html.

//expo
fx.expoIn = function(pos){
  return Math.pow(2, 10 * (pos - 1));
}
fx.expoOut = function(pos){
  return (-Math.pow(2, -10 * pos) + 1);
}

//quad
fx.quadIn = function(pos){
  return Math.pow(pos, 2);
}
fx.quadOut = function(pos){
  return -(pos)*(pos-2);
}

//circ
fx.circOut = function(pos){
  return Math.sqrt(1 - Math.pow(pos-1,2));
}
fx.circIn = function(pos){
  return -(Math.sqrt(1 - Math.pow(pos, 2)) - 1);
}

//back
fx.backIn = function(pos){
  return (pos)*pos*((2.7)*pos - 1.7);
}
fx.backOut = function(pos){
  return ((pos-1)*(pos-1)*((2.7)*(pos-1) + 1.7) + 1);
}

//sine
fx.sineOut = function(pos){
  return Math.sin(pos * (Math.PI/2));
}
fx.sineIn = function(pos){
  return -Math.cos(pos * (Math.PI/2)) + 1;
}
fx.sineInOut = function(pos){
  return -(Math.cos(Math.PI*pos) - 1)/2;
}

function initAccordeon(tog,str){

    var stretchers = document.getElementsByClassName(str);
    var toggles = document.getElementsByClassName(tog);

    //accordion effect
    var myAccordion = new fx.Accordion(
      toggles, stretchers, {opacity: true, height:true, duration: 400}
    );

    //hash functions
    toggles.each(function(p, i){
      var div = Element.find(p, 'nextSibling'); //element.find is located in prototype.lite
      if (window.location.href.indexOf(p.title) > 0) {
        myAccordion.showThisHideOpen(div);
      }
    });
  }

fx.HeightAndImg = Class.create();
fx.HeightAndImg.prototype = Object.extend(new fx.Base(), {
    initialize: function(el, img, options) {
    this.el = $(el);
    this.img = $(img);
    this.el.style.overflow = "hidden";
    this.el.iniWidth = this.el.offsetWidth;
    this.el.iniHeight = this.el.offsetHeight;
     this.setOptions(options);
  },

  increase: function() {
    this.el.style.height = this.now + "px";
  },

  upTo: function(to) {
    this.clearTimer();
    this.options.onComplete = function(){ this.el.style.cursor="";this.img.style.display='block';this.el.style.cursor="pointer";};
    this.custom(this.el.offsetHeight, to);
  },

  downTo: function(to) {
    this.clearTimer();
    if (this.img.style.display=='block')
    {
      this.options.duration=10;
      this.options.onComplete = function(){ this.options.duration=400; this.downToNext(to);};
      this.custom(this.el.offsetHeight, this.el.offsetHeight);
    }
    else
    {
      this.options.onComplete = null;
      this.custom(this.el.offsetHeight, to);
    }
  },

  downToNext: function(to) {
    this.img.style.display='none';
    this.options.onComplete = null;
    this.custom(this.el.offsetHeight, to);
  }
});

function toto() {
  alert('toto'); return false;
};

fx.ImgAndHeight = Class.create();
fx.ImgAndHeight.prototype = Object.extend(new fx.Base(), {
    initialize: function(el, img, src1, src2, options) {
    this.el = $(el);
    this.img = $(img);
    this.src1=src1;
    this.src2=src2;
    this.el.style.overflow = "hidden";
    this.el.iniWidth = this.el.offsetWidth;
    this.el.iniHeight = this.el.offsetHeight;
    this.el.div=this;
    this.el.onmouseover=function () {this.div.upTo(50); return false;};
    this.el.onmouseout=function () {this.div.downTo(30); return false;};
    this.setOptions(options);
  },

  increase: function() {
    this.el.style.height = this.now + "px";
  },

  upTo: function(to) {
    this.clearTimer();
    this.img.src=this.src2;
    this.options.onComplete = function(){ this.el.style.cursor="pointer";};
    this.custom(this.el.offsetHeight, to);
  },

  downTo: function(to) {
    this.clearTimer();
    this.img.src=this.src1;
    this.custom(this.el.offsetHeight, to);
  }
});

fx.HeightUp = Class.create();
fx.HeightUp.prototype = Object.extend(new fx.Base(), {
    initialize: function(el, options) {
    this.el = $(el);
    this.el.style.overflow = "hidden";
    this.el.iniWidth = this.el.offsetWidth;
    this.el.iniHeight = this.el.offsetHeight;
     this.setOptions(options);
  },

  increase: function() {
    this.el.style.height = this.now + "px";
  },

  upTo: function(to) {
    this.clearTimer();
    this.custom(this.el.offsetHeight, to);
  },

  downTo: function(to) {
    this.clearTimer();
    this.custom(this.el.offsetHeight, to);
  }
});

fx.ImgAppear = Class.create();
fx.ImgAppear.prototype = Object.extend(new fx.Base(), {
 initialize: function(img) {
    this.img = $(img);
  },

  show: function() {
    //alert(this.img.id);
    this.img.style.display='block';
  },

  hide: function() {
    this.img.style.display='none';
  }
});