// Create instance of the form validator
var validator = new FormValidator();
validator.setErrorIntroText("Some items need to be fixed before submitting:\n\n");

// Create validation items
var email = new ValidationItemEmailAddress("email", 
"standard", "error", "Please enter a valid e-mail address (will not be shown).");

var author = new ValidationItemEmpty("author", "standard", 
"error", "Please provide your name.");

var comment = new ValidationItemEmpty("comment", "standard", 
"error", "Please be sure to enter your comment.");

// Add validation items to validator
validator.addValidationItem(author);
validator.addValidationItem(email);
validator.addValidationItem(comment);

function validateForm() {
return validator.validate();
}