ID of next movie
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;
  }