//  display thank-you alert if visitor subscribed
function chkSubscribe() {
	var query = window.location.search.substring(1)
	if (query == "joined")
		alert("Thank you for subscribing to our newsletter!")
	else if (query == "contact")
		alert("Your contact form has been submitted. Thanks!")
	else if (query == "add")
		alert("Thank you for submittng a site!")
}