text: // Sticky Plugin
  // =============
  // Author: Anthony Garand
  // Improvements by German M. Bravo (Kronuz) and Ruud Kamphuis (ruudk)
  // Improvements by Leonardo C. Daronco (daronco)
  // Created: 2/14/2011
  // Date: 2/12/2012
  // Website: http://labs.anthonygarand.com/sticky
  // Description: Makes an element on the page stick on the screen as you scroll
  //              It will only set the 'top' and 'position' of your element, you
  //              might need to adjust the width in some cases.
  
  (function($) {
      var defaults = {
              topSpacing: 0,
              bottomSpacing: 0,
              className: 'is-sticky',
              wrapperClassName: 'sticky-wrapper'
          },
          $window = $(window),
          $document = $(document),
          sticked = [],
          windowHeight = $window.height(),
          scroller = function() {
              var scrollTop = $window.scrollTop(),
                  documentHeight = $document.height(),
                  dwh = documentHeight - windowHeight,
                  extra = (scrollTop > dwh) ? dwh - scrollTop : 0;
              for (var i = 0; i < sticked.length; i++) {
                  var s = sticked[i],
                      elementTop = s.stickyWrapper.offset().top,
                      etse = elementTop - s.topSpacing - extra;
                  if (scrollTop <= etse) {
                      if (s.currentTop !== null) {
                          s.stickyElement
                              .css('position', '')
                              .css('top', '')
                              .removeClass(s.className);
                          s.stickyElement.parent().removeClass(s.className);
                          s.currentTop = null;
                      }
                  }
                  else {
                      var newTop = documentHeight - s.stickyElement.outerHeight()
                          - s.topSpacing - s.bottomSpacing - scrollTop - extra;
                      if (newTop < 0) {
                          newTop = newTop + s.topSpacing;
                      } else {
                          newTop = s.topSpacing;
                      }
                      if (s.currentTop != newTop) {
                          s.stickyElement
                              .css('position', 'relative')                            
                              .addClass(s.className);
                          s.stickyElement.parent().addClass(s.className);
                          s.currentTop = newTop;
                      }
                  }
              }
          },
          resizer = function() {
              windowHeight = $window.height();
          },
          methods = {
              init: function(options) {
                  var o = $.extend(defaults, options);
                  return this.each(function() {
                      var stickyElement = $(this);
  
                      stickyId = stickyElement.attr('id');
                      wrapper = $('<div></div>')
                          .attr('id', stickyId + '-sticky-wrapper')
                          .addClass(o.wrapperClassName);
                      stickyElement.wrapAll(wrapper);
                      var stickyWrapper = stickyElement.parent();
                      stickyWrapper.css('height', stickyElement.outerHeight());
                      sticked.push({
                          topSpacing: o.topSpacing,
                          bottomSpacing: o.bottomSpacing,
                          stickyElement: stickyElement,
                          currentTop: null,
                          stickyWrapper: stickyWrapper,
                          className: o.className
                      });
                  });
              },
              update: scroller
          };
  
      // should be more efficient than using $window.scroll(scroller) and $window.resize(resizer):
      if (window.addEventListener) {
          window.addEventListener('scroll', scroller, false);
          window.addEventListener('resize', resizer, false);
      } else if (window.attachEvent) {
          window.attachEvent('onscroll', scroller);
          window.attachEvent('onresize', resizer);
      }
  
      $.fn.sticky = function(method) {
          if (methods[method]) {
              return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
          } else if (typeof method === 'object' || !method ) {
              return methods.init.apply( this, arguments );
          } else {
              $.error('Method ' + method + ' does not exist on jQuery.sticky');
          }
      };
      $(function() {
          setTimeout(scroller, 0);
      });
  })(jQuery);
  