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

// 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/

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

var previous = 0;
var inntimer = '';
(function($) {

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

    $.innerfade = function(container, options) {
        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).addClass(settings.runningclass);
            for (var i = 0; i < elements.length; i++) {
                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();
                /* SSA 19-okt-2010: mousehover zorgt voor een ganaar event, click volgt 'gewoon' de link.*/
                $('#carousel_link_' + i + ' a').mouseenter(function(){
                    settings.play = 'yes';
                    // Snelheid verhogen, anders duurt de overgang zo lang
                    settings.originalspeed = settings.speed;
                    settings.speed = 250;
                    $.innerfade.ganaar(elements,settings,$(this).parent().get(0));
                    // Zo lang de muis 'in' de a-tag is, niet verdergaan.
                    settings.play = 'no';
                });
                $('#carousel_link_' + i + ' a').mouseleave(function(){
                    settings.play = 'yes';
                    settings.speed = settings.originalspeed;
                });
//                $('#carousel_link_' + i).bind('click', function() {
//                 $.innerfade.ganaar(elements,settings,this);
//                 return false;
//               });
               
            };
            $('#carousel_link_0').addClass("active");
            if (settings.type == "sequence") {
                inntimer = 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 ) );
                inntimer = 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 ) );
								inntimer = 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.ganaar = function(elements,settings,el){

      i = parseInt(el.id.replace("carousel_link_", ""));
      current = i;
      last = previous;
      if(current != last) {
        clearTimeout(inntimer);
        $.innerfade.next(elements, settings, current, last, true);
      }      
    }

    $.innerfade.next = function(elements, settings, current, last,faster) {
      for (var i = 0; i < elements.length; i++) {
        $('#carousel_link_' + i).removeClass("active");          
      }
      $('#carousel_link_' + current).addClass("active");
      
      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\'');
      previous = last;
      inntimer = setTimeout((function() {
          $.innerfade.next(elements, settings, current, last);
      }), settings.timeout);
    };
  
})(jQuery);

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