function isBlank(testStr){
		if (testStr.length == 0)  // nothing entered
			return true
		for (var i = 0; i <= testStr.length-1; i++)  // all spaces
			if (testStr.charAt(i) !=" ")
				return false
		return true
	}
	function validateEMail(email){
		if (isBlank(email)){
			alert("[ALERT]\n\nEnter your email address please!")
			return false
		}
		var atsignPos = email.indexOf("@", 0)  // check for @
		if (atsignPos == -1){
			alert("[ALERT]\n\nEnter a valid email address with an @, please!\n(EX: somename@somewhere.com)")
			return false
		}
		if (email.indexOf(".", atsignPos) == -1){ // check for domain
			alert("[ALERT]\n\nEnter a valid email domain after the @, please!\n(EX: somename@somewhere.com)")
			return false
		}
		return true
	}