function roll(dir,n,action)  {
  pic = 'arrow' + n
  picpath = ('/images/' + dir + '/arrow_' + action + '.gif');

  if (window.navigator.appName == 'Netscape') {
    document.images[pic].src = picpath;
  }
  else {
    document.all(pic).src = picpath;
  }
}
  
function verify(theform) {
  if (theform.email.value == "") {
    alert('Please enter your email address.');
    theform.email.focus();
    return false;
  }
}