function showDialog(id)
{
    var frm = document.getElementById(id);
    var filter = document.getElementById('filter');

    frm.style.display = 'block';
    filter.style.display = 'block';
}

function hideDialog(id)
{
  var frm = document.getElementById(id);
  var filter = document.getElementById('filter');

  if (frm != null)
  {
    frm.style.display = 'none';
  }

  filter.style.display = 'none';
}

function showLoading()
{
    ShowDialog('frmloading');
}

function hideLoading()
{
    hideDialog('frmloading');
}