/* =========================================================

// jquery.innerfade.js

// Datum: 2008-02-14
// Firma: Medienfreunde Hofmann & Baldes GbR
// Author: Torsten Baldes
// Mail: t.baldes@medienfreunde.com
// Web: http://medienfreunde.com

// based on the work of Matt Oakes http://portfolio.gizone.co.uk/applications/slideshow/
// and Ralf S. Engelschall http://trainofthoughts.org/

 *
 *  <ul id="news"> 
 *      <li>content 1</li>
 *      <li>content 2</li>
 *      <li>content 3</li>
 *  </ul>
 *  
 *  $('#news').innerfade({ 
 *	  animationtype: Type of animation 'fade' or 'slide' (Default: 'fade'), 
 *	  speed: Fading-/Sliding-Speed in milliseconds or keywords (slow, normal or fast) (Default: 'normal'), 
 *	  timeout: Time between the fades in milliseconds (Default: '2000'), 
 *	  type: Type of slideshow: 'sequence', 'random' or 'random_start' (Default: 'sequence'), 
 * 		containerheight: Height of the containing element in any css-height-value (Default: 'auto'),
 *	  runningclass: CSS-Class which the container get’s applied (Default: 'innerfade'),
 *	  children: optional children selector (Default: null)
 *  }); 
 *

// ========================================================= */


(function ($) {

  $.fn.innerfade = function (options) {
    return this.each(function () {
      $.innerfade(this, options);
    });
  };

  $.innerfade = function (container, options) {

    $(container).hover(
    function () {
      console.log('over')
    },
    function () {
      console.log('out')
    })

    var settings = {
      'animationtype': 'fade',
      'speed': 'normal',
      'type': 'sequence',
      'timeout': 2000,
      'containerheight': 'auto',
      'runningclass': 'innerfade',
      'children': null
    };
    if (options)
      $.extend(settings, options);
    if (settings.children === null)
      var elements = $(container).children();
    else
      var elements = $(container).children(settings.children);
    if (elements.length > 1) {
      $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
      for (var i = 0; i < elements.length; i++) {
        $(elements[i]).css('z-index', String(elements.length - i)).css('position', 'absolute').hide();
      };
      if (settings.type == "sequence") {
        setTimeout(function () {
          $.innerfade.next(elements, settings, 1, 0);
        }, settings.timeout);
        $(elements[0]).show();
      } else if (settings.type == "random") {
        var last = Math.floor(Math.random() * (elements.length));
        setTimeout(function () {
          do {
            current = Math.floor(Math.random() * (elements.length));
          } while (last == current);
          $.innerfade.next(elements, settings, current, last);
        }, settings.timeout);
        $(elements[last]).show();
      } else if (settings.type == 'random_start') {
        settings.type = 'sequence';
        var current = Math.floor(Math.random() * (elements.length));
        setTimeout(function () {
          $.innerfade.next(elements, settings, (current + 1) % elements.length, current);
        }, settings.timeout);
        $(elements[current]).show();
      } else {
        alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
      }
    }
  };

  $.innerfade.next = function (elements, settings, current, last) {
    // STH
    if (typeof console != 'undefined') { console.log('next: ' + elements + ' ' + settings + ' ' + current + ' ' + last); };
    if (settings.animationtype == 'slide') {
      $(elements[last]).slideUp(settings.speed);
      $(elements[current]).slideDown(settings.speed);
    } else if (settings.animationtype == 'fade') {
      $(elements[last]).fadeOut(settings.speed);
      $(elements[current]).fadeIn(settings.speed, function () {
        removeFilter($(this)[0]);
      });
    } else
      alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
    if (settings.type == "sequence") {
      if ((current + 1) < elements.length) {
        current = current + 1;
        last = current - 1;
      } else {
        current = 0;
        last = elements.length - 1;
      }
    } else if (settings.type == "random") {
      last = current;
      while (current == last)
        current = Math.floor(Math.random() * elements.length);
    } else
      alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');

    setTimeout((function () {
      $.innerfade.next(elements, settings, current, last);
    }), settings.timeout);
  };

})(jQuery);

// **** remove Opacity-Filter in ie ****
function removeFilter(element) {
	if(element.style.removeAttribute){
		element.style.removeAttribute('filter');
	}
}