var errors;

function validateLogin() {
	errors = "";
	validateRequiredField('txtLoginName');
	validateRequiredField('txtPassword');
	validateRequiredField('txtCaptcha');
	return showError(errors);
}

function validateForgetPassword() {
	errors = "";
	validateRequiredField('txtLoginName');
	validateRequiredField('txtCaptcha');
	return showError(errors);
}

function validateQuestion() {
	errors = "";
	validateRequiredField('q_answer');
	validateRequiredField('txtAnswer');
	return showError(errors);
}