//validate email format
function checkEmail(Element) {	
	if (Element.value.length > 0) {
		if (Element.value.length < 7) {
			alert("Email Addresses must be at least 7 characters.");
			Element.focus();
			return false;
		}
		if (Element.value.indexOf("@") == -1 || Element.value.indexOf(".") == -1) {
			alert("Please use the following format in Email addresses:\n\nMyEmail@MyDomain.com");
			Element.focus();
			return false;
		}
	}
}