All items on the same row should have equal heights

equal-heights.js

	(function() {

  /*
   * http://benhowdle.im/2014/01/29/easy-peasy-equal-heights/
   */
  function sameHeights(selector) {
      var selector = selector || '[data-equal-height]';
          query = document.querySelectorAll(selector),
          elements = query.length,
          max = 0;
          rows = {};

      if (elements) {
          while (elements--) {
              var element = query[elements];
              if (element.clientHeight > max) {
                  max = element.clientHeight;
              }
              rows[element.offsetTop] = element.clientHeight;

          }
          elements = query.length;
          while (elements--) {
              var element = query[elements];
              element.style.height = rows[element.offsetTop] + 'px';
          }
      }
  }

  if ('addEventListener' in window) {
      window.addEventListener('resize', function(){
          sameHeights();
      });
      window.addEventListener('load', function(){
          sameHeights();
      });
  }


})();