var validationSet = {
  'name': {
    'regexp': /^.+?/,
    'error': 'Please enter your Name. '
  },
  'email': {
    'regexp': /^.+?@.+?\..+$/,
    'error': 'Please enter your Email address. '
  },
  'message_subject': {
    'regexp': /^.+?/,
    'error': 'Please enter the message Subject. '
  },
  'message': {
    'regexp': /^.+?/,
    'error': 'Please enter the Message. '
  }
};