// JavaScript Document

function submitWithAction(form, act)
{
	form.action.value = act;
	form.submit();
}

function offDisp(id)
{
	elem = document.getElementById(id);
	elem.style.display = 'none';
}

function calcEndymd()
{
	var yy = document.getElementById('stryy').value;
	var mm = document.getElementById('strmm').value;
	var dd = document.getElementById('strdd').value;
	mm = Number(mm) - 1;
	dd = Number(dd) + 7;
	var dateObj = new Date(yy, mm, dd);
	
	var elem = document.getElementById('endymd');
	
	var year = dateObj.getFullYear();
	var month = dateObj.getMonth();
	var date = dateObj.getDate();
	month = Number(month) + 1;
	
	elem.value = year + "年" + month + "月" + date + "日";
}