var $ = YAHOO.util.Dom.get;
var validator = new Validator();

validator.checkEmail('loginEmail', 'change');
validator.checkLength('loginPassword', {'min':6,'max':15}, 'change');

validator.checkEmail('registerEmail', 'change');
validator.checkLength('registerPassword', {'min':6,'max':15}, 'change');
validator.checkLength('registerFirstName', {'min':1}, 'change');
validator.checkLength('registerLastName', {'min':1}, 'change');
validator.checkDate('registerBirthday', 'change');

validator.checkEmail('loginForgotEmail', 'change');