function checkEmail(email)
{
	if (!validEmail(email.value))
	{
		alert('Incorrect e-mail address!')
		email.focus()
		email.select()
		return false
	}
	return true
}

function validEmail(email)
{
	re = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*\.[a-z]{2,3}$/
	return re.test(email)
}

function onSubmit() {
	if (checkEmail(document.forms[0].email)) {
		document.forms[0].submit()
	}
	return true
}