function execForm(argForm)
{
	if (argForm.elements["名前"].value == "") {
		alert("Please enter your name");
		argForm.elements["名前"].focus();
		return;
	}
	if (argForm.elements["［country］"].value == "none") {
		alert("Please select country");
		argForm.elements["［country］"].focus();
		return;
	} else if (argForm.elements["［country］"].value == "other") {
		if (argForm.elements["［country_others］"].value == "") {
			alert("Please enter country");
			argForm.elements["［country_others］"].focus();
			return;
		}
	} 
	if ((!argForm.elements["会員"].checked ) && (!argForm.elements["会員外"].checked)) {
		alert("Please specify YH membership.");
		return;
	}
	if (argForm.elements["from"].value == "") {
		alert("Please enter your e-mail address.");
		argForm.elements["from"].focus();
		return;
	}
	if (argForm.elements["電話"].value == "") {
		alert("Please enter your phone number.");
		argForm.elements["電話"].focus();
		return;
	}
	if (argForm.elements["住所"].value == "") {
		alert("Please enter your address.");
		argForm.elements["住所"].focus();
		return;
	}
	if (argForm.elements["［men］"].value == "none" && argForm.elements["［wemen］"].value == "none" ) {
		alert("Please specify number of lodger.");
		return;
	}
	if ((!argForm.elements["食事"].checked)
	&& (!argForm.elements["夕食"].checked)
	&& (!argForm.elements["朝食"].checked)) {
		alert("Please check meal order.");
		return;
	}
	argForm.elements["to_mail"].value = "ZWQ03702@nifty.ne.jp";
	argForm.action= "http://mdec.nifty.com/cgi-bin/ahpmdec.cgi";
	argForm.submit();
}
function noMeal(argForm) {
	if (argForm.elements["食事"].checked) {
		argForm.elements["夕食"].checked = false;
		argForm.elements["朝食"].checked = false;
	}
}
function withMeal(argForm) {
		argForm.elements["食事"].checked = !(argForm.elements["夕食"].checked || argForm.elements["朝食"].checked);
}