function isEmpty(inputVal) {
	if (inputVal == null || inputVal == "" || inputVal == " " || inputVal == "  " || inputVal == "   " || inputVal == "main@yandex.com" || inputVal == "wera@asdera.com") {
		return true
	}
	return false
}

function validate(form) {
	if (isEmpty(form.cd1quantity.value)) {
		alert("Please provide the number of Vol. 1 CDs you would like to order.")
		form.cd1quantity.focus()
		return false
	}
	if (isEmpty(form.cd2quantity.value)) {
		alert("Please provide the number of Vol. 2 CDs you would like to order.")
		form.cd2quantity.focus()
		return false
	}
	if (isEmpty(form.cdsetquantity.value)) {
		alert("Please provide the number of 2-disc Sets you would like to order.")
		form.cdsetquantity.focus()
		return false
	}
	if (isEmpty(form.lpquantity.value)) {
		alert("Please provide the number of original LPs you would like to order.")
		form.lpquantity.focus()
		return false
	}
	if (isEmpty(form.firstname.value)) {
		alert("Please provide your first name.")
		form.firstname.focus()
		return false
	}
	if (isEmpty(form.lastname.value)) {
		alert("Please provide your last name.")
		form.lastname.focus()
		return false
	}
	if (isEmpty(form.emailaddr.value)) {
		alert("Please provide a valid email address.")
		form.emailaddr.focus()
		return false
	}
	if (isEmpty(form.street1.value)) {
		alert("Please provide your street address.")
		form.street1.focus()
		return false
	}
	if (isEmpty(form.cityname.value)) {
		alert("Please provide your city or town.")
		form.cityname.focus()
		return false
	}
	if (isEmpty(form.statename.value)) {
		alert("Please provide your state or province.")
		form.statename.focus()
		return false
	}
	if (isEmpty(form.postalcode.value)) {
		alert("Please provide your zip code or postal code.")
		form.postalcode.focus()
		return false
	}
	if (isEmpty(form.countryname.value)) {
		alert("Please provide your country.")
		form.countryname.focus()
		return false
	}
}