function showProviderHelper() 
{
  document.getElementById('provider-helper').style.display = 'block';
  document.getElementById('provider-username').value = "";
  document.getElementById('provider-username').focus();
}

function hideProviderHelper()
{
  document.getElementById('provider-helper').style.display = 'none';
}

function submitProvider(url) 
{
  // Clear status bar
  clearStatus(); 

  document.getElementById("openidurl").value = url; 
  document.getElementById("openid-form").submit(); 
}

function clearStatus()
{
  document.getElementById("status").innerHTML = "";
}