code: function(thingy) {
      // simple DOM lookup utility function
      if (typeof(thingy) == 'string') thingy = document.getElementById(thingy);
      if (!thingy.addClass) {
        // extend element with a few useful methods
        thingy.hide = function() { this.style.display = 'none'; };
        thingy.show = function() { this.style.display = ''; };
        thingy.addClass = function(name) { this.removeClass(name); this.className += ' ' + name; };
        thingy.removeClass = function(name) {
          var classes = this.className.split(/\s+/);
          var idx = -1;
          for (var k = 0; k < classes.length; k++) {
            if (classes[k] == name) { idx = k; k = classes.length; }
          }
          if (idx > -1) {
            classes.splice( idx, 1 );
            this.className = classes.join(' ');
          }
          return this;
        };
        thingy.hasClass = function(name) {
          return !!this.className.match( new RegExp("\\s*" + name + "\\s*") );
        };
      }
      return thingy;
    }
docs: ID of next movie