var openpulldown = false;

function showPulldown(what) {
  $(what).style.display = 'block';
  openpulldown = true;
}


function clearPulldown(what) {
  openpulldown = false;
  setTimeout(function() { hidePulldown(what); }, 1000);
}

function hidePulldown(what) {
  if(openpulldown == false) {
    $(what).style.display = 'none';
  }
}

function hoverPulldown(what) {
  openpulldown = true;
}