function checkMailTelFax(f) {
	if (f.email.value != "" || f.mobile.value != "" || f.fax.value != "") {
		return true;
	} else {
		alert("E-mail、Tel、Faxはいづれか一つ以上をご記入ください。");
		return false;
	}
}

function formSubmit() {
	if (checkMailTelFax(document.forms[0])) {
		document.forms[0].submit();
	}
}

function formReset() {
	document.forms[0].reset();
}