function validateFields () {
	var x = document.sendemail.email.value;
        var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;

        if (!filter.test(x)) {
        	alert("You must enter a valid email address (i.e. someone@bsdvt.org).");
                document.sendemail.email.focus();
                return false;
                }
}