var msie = window.navigator.userAgent.indexOf('MSIE');

function showLoginBox()
{
  var loginform;
  var loginuserfield;

  loginform = document.getElementById('LoginForm');
  loginuserfield = document.getElementById('loginusername');

  loginform.style.display = 'block';
  loginuserfield.focus();
  loginuserfield.select();
}

function hideLoginBox()
{
  var loginform;

  loginform = document.getElementById('LoginForm');
  loginform.style.display = 'none';
  document.getElementById('LoginFrame').src = '/scripts/php/login/minilogin.php';
}