// Quick validation for required field on contact form
var Contact =  {
  is_valid: function(field) {
    var value = $(field).value.strip();
    if (value.empty()) {
      $(field + '_info').show();
      return false;
    }
    else {
      $(field + '_info').hide();
      return true;
    }
  },
  
  submit: function(form) {
    var valid = Contact.is_valid('email')
    valid = Contact.is_valid('body') && valid
    if (valid)
      form.submit();
  }
}