var leftHighlightActive = function() {
  var left = document.getElementById("left");
  var inners = getElementsByClass("inner");
  if(left && inners.length) {
    var inner = inners[0];
    var context = inner.id;
    var left_element = document.getElementById(context + "_left");
    addClass(left_element, "active");
//    alert(inner + "\n" + context + "\n" + left_element);
  }
};


addBodyOnload(leftHighlightActive);