function ddmouseover(id) {

    var pid = document.getElementById("m_" + id);
    if (pid != null) pid.className = "menuhover";

}

function ddmouseout(id) {

    var pid = document.getElementById("m_" + id);
    if (pid != null) pid.className = "menunormal";
    
}

function ddMenu(id,d){

  var c = document.getElementById('sm_' + id);

  if (d == 1) {
      c.style.display = 'block';
  } else if (d == -1) {
      c.style.display = 'none';
  }

}

function cancelHide(id){

  var c = document.getElementById('sm_' + id);
  c.style.display = 'block';

}