(function() {
  'use strict';

  function classReg(cl) {
    return new RegExp('(\\s|^)'+ cl +'(\\s|$)');
  }

  function hasClass(el, cl) {
    return el.className.match(classReg(cl));
  }

  function addClass(el, cl) {
    if (!hasClass(el, cl)) {
      el.className += ' ' + cl;
    }
  }

  function removeClass(el, cl) {
    if (hasClass(el, cl)) {
      el.className = el.className.replace(classReg(cl), '');
    }
  }

  function extend(obj1, obj2) {
    var obj = {};
    for (var key in obj1) {
      obj[key] = obj2[key] === undefined ? obj1[key] : obj2[key];
    }
    return obj;
  }

  var melde = function(el, opts) {

    this.melde = el,
    this.triggerBtn = document.querySelectorAll('[data-trigger-melde="' + this.melde.id + '"]'),
    this.closeBtn = this.melde.querySelectorAll('[data-close-melde]'),
    this.body = document.body,
    this.defaults = {
      activeClass: 'melde--active',
      bodyClass: 'melde-is-active',
      overlay: true,
      overlayClass: 'melde__overlay',
      openCallback: null,
      closeCallback: null
    },
    this.opts = extend(this.defaults, opts);
  };


  melde.prototype  = {

    init: function() {

      this.meldeTriggering();

    },

    meldeTriggering: function() {

      var self = this;

      for (var i = 0; i < self.triggerBtn.length; i++) {
        self.triggerBtn[i].addEventListener('click', self.openmelde.bind(this));
      }

    },

    openmelde: function() {

      var self = this;


      if (self.opts.overlay) {
        self.appendOverlay();
      }

      addClass(self.melde, self.opts.activeClass);

      addClass(self.body, self.opts.bodyClass);

      for (var i = 0; i < self.closeBtn.length; i++) {
        self.closeBtn[i].addEventListener('click', this.closemelde.bind(this));
      }

      if (self.opts.openCallback) {
        self.opts.openCallback.call(self);
      }

      setTimeout(function() {
        self.closeBtn[0].focus();
      }, 500);

    },

    closemelde: function() {

      var self = this;

      removeClass(self.melde, self.opts.activeClass);

      removeClass(self.body, self.opts.bodyClass);

      for (var i = 0; i < self.closeBtn.length; i++) {
        self.closeBtn[i].removeEventListener('click', this.closemelde.bind(this));
      }

      if (self.opts.overlay) {
        self.removeOverlay();
      }

      if (self.opts.closeCallback) {
        self.opts.closeCallback.call(self);
      }

    },

    appendOverlay: function() {

      var self = this;

      self.overlay = document.createElement('div');
      self.overlay.className = self.opts.overlayClass;
      self.melde.appendChild(self.overlay);

    },

    removeOverlay: function() {

      var self = this;

      setTimeout(function() {
        self.overlay.remove();
      }, 500);

    }

  };

  window.melde = melde;

})();

    var meldeEl_331919 = document.getElementById('melde_331919');
    var meldeInst = new melde(meldeEl_331919, {
      openCallback: function() {
        console.log('Callback for when melde is open.');
      },
      closeCallback: function() {
        console.log('Callback for when melde is closed.');
      }
    });
    meldeInst.init();

var xmlhttp331919 = new getXMLObject();

function ajaxNewspost_331919() {
  if(xmlhttp331919) { 

    var melde_message = document.getElementById("melde_message_331919").value;
    var melde_id = encodeURIComponent(document.getElementById("melde_id_331919").value);

    xmlhttp331919.open("POST","../meldung_send.php",true); 
    xmlhttp331919.onreadystatechange  = handleServerResponse331919;
    xmlhttp331919.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');   
    xmlhttp331919.send("message=" + melde_message + "&melde_id=" + melde_id);
  }

}

function handleServerResponse331919() {
   if (xmlhttp331919.readyState == 4) {
     if(xmlhttp331919.status == 200) {
	 document.getElementById("melde_message_331919").value='';
     }
     else {
        alert("Upsal! Da hat es jetzt irgendwo ein Problem geben! Probier es einfach nochmal!");
     }
   }
}