GmailLoading = function() {}
GmailLoading.wording = 'Loading...';
GmailLoading.show = function() {
  sLoadingDiv = '<div id="document-loading" style="'
  + 'position: absolute; '
  + 'color: #FFF; '
  + 'background-color: #F33; '
  + 'width: 100px; '
  + 'height: 20px; '
  + 'top:0; '
  + 'right: 0; '
  + 'font-family: Arial; '
  + 'font-weight: bold; '
  + 'text-align: center; '
  + '">'
  + this.wording
  + '</div>';
  document.write(sLoadingDiv);
}
GmailLoading.hide = function() {
  oLoadingDiv = document.getElementById('document-loading');
  oLoadingDiv.style.display = 'none';
  document.getElementById('container').style.display = 'block';
}