function doLogin(form) {
	var pwd = form.password.value;
	form.password.value = hex_md5(pwd);
	return true;
}

function doUpdatePassword(form) {
	if($.trim(form.oldPassword.value) == '') {
		alert('Please enter old password!');
		form.oldPassword.focus();
		return false;
	}
	if($.trim(form.newPassword.value).length < 3) {
		alert('New password minimal 3 characters!');
		form.newPassword.focus();
		return false;
	}
	if(form.newPassword.value != form.retypePassword.value) {
		alert('Retype password is not same as new password');
		form.retypePassword.focus();
		return false;
	}
	return true;
}