function checkInputValidity() {
	var errors = new String();
	errors = "";
	if (document.emailform.Name.value == "") {
		errors = errors + "Please provide a Name\n\n";
	}
	if (document.emailform.Delivery.value == "") {
		errors = errors + "Please provide a Delivery location\n\n";
	}
	if (document.emailform.Email.value == "") {
		errors = errors + "Please provide an Email address\n\n";
	}

	if(document.emailform.Site.selectedIndex==0) {
		errors = errors + "Please provide a Site location\n\n";
	}

	if (errors != "") {
		alert(errors);
		return false;
	}
}