var validationSet = {
  'email': {
    'regexp': /^.+?@.+?\..+$/,
    'error': 'Invalid email address.'
        	
  },
  'password': {
    'regexp': /^\w{5,}$/,
    'error': 'password must be at least 5 letter words'
        	
  },
  'repassword': {
    'regexp': /^\w{5,}$/,
    'error': 'password must be at least 5 letter words'
        	
  },
  'firstname': {
    'regexp': /^\w+$/,
    'error': 'Invalid character.' 
  },
  'lastname': {
    'regexp': /^\w+$/,
    'error': 'Invalid character.' 
  },
  'phone': {
    'regexp': /^[0-9]{7,15}$/,
    'error': 'Invalid phone no.(number only).' 
  }
};

var requiredSet = ['password','repassword','firstname','lastname','email'];