function show(obj) {
	obj.className = obj.className ? '' : 'active';
	ul = obj.nextSibling;
	ul.style.display = ul.style.display ? '':'none';
}


function toggle_info(id)
{
	el = document.getElementById(id);
	var display = el.style.display ? '' : 'none';
	el.style.display = display;
}

function addEvent(obj, evType, fn, useCapture){
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, useCapture);
    return true;
  } else if (obj.attachEvent){
    var r = obj.attachEvent("on"+evType, fn);
    return r;
  } else {
    alert("Handler could not be attached");
  }
}