// opens the cheetahmail signup popup window
function openCheetahSignup() {
  var curl = 'http://reg.cheetahmail.com/regp?n=1&aid=2078332947';
  if (document.getElementById('email-address')) {
    curl += '&email=' + document.getElementById('email-address').value;
  }
  var cwin = window.open(curl, 'cheetahwindow','width=560,height=600,left=0,top=0,resizable=yes,scrollbars=yes,toolbar=no');
  cwin.focus();
  return false;
}