var close = "/SiteGlobals/StyleBundles/Bilder/Farbschema_A/institute_nav_close.png?__blob=normal";
(function($){
function init_rotator(){
    $('.karussell').find('.clear').remove();
    $('.karussell').each(function(){
         setControls(this);
    });
    $('.karussell .rotator_controls a').click(function(event){
      if (event.repeat == false) {
         scroll($(this), $(this).attr('rel'));
         return false;
      }
      if (event.detail !=2 || event.detail < 2) {
           scroll($(this), $(this).attr('rel'));
      }     
      return false;
    }).dblclick(function(){return false;});
}

function setControls(karussell){
     if($(karussell).outerWidth() < $(karussell).find('.photogallery .item').length * $(karussell).find('.photogallery .item').first().outerWidth()){ 
         $(karussell).find(' .photogallery').before('<div class="rotator_controls"><a href="rotator.js@v=5.html#" class="vor" rel="left"><img src="http://www.green-cc.eu/SiteGlobals/StyleBundles/Bilder/NeuesLayout/karussell_links.gif?__blob=normal" alt="vor" /></a></div>').after('<div class="rotator_controls right"><a href="rotator.js@v=5.html#" class="zurueck" rel="right"><img src="http://www.green-cc.eu/SiteGlobals/StyleBundles/Bilder/NeuesLayout/karussell_rechts.gif?__blob=normal" alt="zurück" /></a></div>');
setPosition(karussell);
     };
}    
function setPosition(karussell){
   return $(karussell).find('.photogallery .item').each(function(){
       offset = $(this).outerWidth() * $(this).index() - 157;
       $(this).css({'position':'absolute','left':offset});
    });
};
      
function scroll(button,dir){
    var gallery =  $(button).closest('.karussell').find('.photogallery');
    if (dir == 'left') {
      return gallery.find('.item').each(function(){
          pos = $(this).position();
          offset = pos.left - $(this).outerWidth();
          $(this).animate({'left':offset});
          if (offset < -$(this).outerWidth()-2) {
             last_pos = gallery.find('.item').last().position();
             last_off = last_pos.left;
             $(this).clone().appendTo(gallery).css({'left':last_pos.left+100}).animate({'left':last_off});
             $(this).remove();
         }
      });
   };
    if (dir == 'right') {
     return gallery.find('.item').each(function(){
          pos = $(this).position();
          offset = pos.left + $(this).outerWidth();
          items = gallery.find('.item').length-2;
          $(this).animate({'left':offset});
          if (offset > ($(this).outerWidth()+2)*items) {
             first_off = 0 - $(this).outerWidth();
             $(this).clone().prependTo(gallery).css({'left':first_off});
             $(this).remove();
         }
      });
   }; 
}

jQuery.rotator = function(){
    if(!$('.karussell').length){
        return;
    }
        init_rotator();
};
})(jQuery);