
$.fn.setToEqualHeights = function(){
  return this.height( Math.max.apply(this, $.map(this , function(e){ return $(e).height() })) );
}
$('#blurbs .blurb').setToEqualHeights();

(function($) {
  $.fn.infiniteCarousel = function() {

      function repeat(str, num) {
          return new Array(num + 1).join(str);
      }

      return this.each(function() {
          var $wrapper = $('> div', this).css('overflow', 'hidden'),
          $slider = $wrapper.find('> ul'),
          $items = $slider.find('> li'),
          $single = $items.filter(':first'),

          singleWidth = $single.outerWidth(),
          visible = Math.ceil($wrapper.innerWidth() / singleWidth),
          // note: doesn't include padding or border
          currentPage = 1,
          pages = Math.ceil($items.length / visible);


          // 1. Pad so that 'visible' number will always be seen, otherwise create empty items
          if (($items.length % visible) != 0) {
              $slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));
              $items = $slider.find('> li');
          }

          // 2. Top and tail the list with 'visible' number of items, top has the last section, and tail has the first
          $items.filter(':first').before($items.slice( - visible).clone().addClass('cloned'));
          $items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));
          $items = $slider.find('> li');
          // reselect
          // 3. Set the left position to the first 'real' item
          $wrapper.scrollLeft(singleWidth * visible);

          // 4. paging function
          function gotoPage(page) {
              var dir = page < currentPage ? -1: 1,
              n = Math.abs(currentPage - page),
              left = singleWidth * dir * visible * n;

              $wrapper.filter(':not(:animated)').animate({
                  scrollLeft: '+=' + left
              },
              500,
              function() {
                  if (page == 0) {
                      $wrapper.scrollLeft(singleWidth * visible * pages);
                      page = pages;
                  } else if (page > pages) {
                      $wrapper.scrollLeft(singleWidth * visible);
                      // reset back to start position
                      page = 1;
                  }

                  currentPage = page;
              });

              return false;
          }

          // 5. Bind to the forward and back buttons
          $('#carousel-nav-prev', this).click(function() {
              return gotoPage(currentPage - 1);
          });

          $('#carousel-nav-next', this).click(function() {
              return gotoPage(currentPage + 1);
          });

          $(this).bind('next', 
          function() {
            gotoPage(currentPage + 1);
          });

          // create a public interface to move to a specific page
          $(this).bind('goto',
          function(event, page) {
              gotoPage(page);
          });
      });
  };

  $(document).ready(function() {
      $('#carousel').infiniteCarousel();
  });

  var autoscrolling = true;

  $('#carousel').infiniteCarousel().mouseover(function() {
    autoscrolling = false;
  }).mouseout(function() {
    autoscrolling = true;
  });

  setInterval(function() {
    if (autoscrolling) {
      $('#carousel').trigger('next');
    }
  }, 4000);
})(jQuery);
