function isValidContactUsInfo() {
	var strName = document.contactUs.strName.value
	var strEmail = document.contactUs.strEmail.value
	var strPhone = document.contactUs.strPhone.value
	if (isEmpty(strName)) {
		alert("Please enter your name.")
		document.contactUs.strName.focus()
		return false
	}
	if (isEmpty(strEmail) && isEmpty(strPhone)) {
		alert("Please provide us with a way to contact you: phone or email.")
		document.contactUs.strPhone.focus()
		return false
	}
	return true
}

function isEmpty(inputStr) {
	if (inputStr == "" || inputStr == null) {
		return true
	}
	return false
}