function formCheck(form) {
	rtrn = checkNull(form.name);
	rtrn = rtrn & checkNull(form.syuugyou);
	rtrn = rtrn & checkNull(form.syamei);
	rtrn = rtrn & checkNull(form.kaisitosi);
	rtrn = rtrn & checkNull(form.kaisituki);
	rtrn = rtrn & checkNull(form.koyou);
	rtrn = rtrn & checkNull(form.mail);
	rtrn = rtrn & checkNull(form.contact);
	rtrn = rtrn & checkNull(form.zip1);
	rtrn = rtrn & checkNull(form.zip2);
	rtrn = rtrn & checkNull(form.address);
	if (!rtrn) {
		return false;
		}
	return true;
}
		
function checkNull(obj) {
	if (obj.value =='')
		{
			obj.className = 'errorText';
			return false;
		}
	obj.className = 'none';
	return true;
}

function checkEnter() {
	if(document.form.doui.checked == true) {
		return true;
	} else {
		alert("「同意する」にチェックを入れてください。");
		return false;
	}
}