function addTableRow(count,innerhtml) {
	var info_table = document.getElementById("info");
	var row = info_table.insertRow(count);
	var cell1 = row.insertCell(0);
	var cell2 = row.insertCell(1);

	cell1.innerHTML = "◎";
	cell2.innerHTML = innerhtml;
}

function judgeMonthTerm(start,last) {
	var date = new Date();
	var month = date.getMonth() + 1;
	if (start > last) {
		var tmp = start;
		start = last;
		last = tmp;
	}

	if (start <= month && month <= last) {
		return true;
	} else {
		return false;
	}
}

function strBikeCampaign() {
	if (judgeMonthTerm( 1, 1) || judgeMonthTerm( 3, 3) || judgeMonthTerm( 7, 9)) {
		return "通学短期";
	} else if (judgeMonthTerm( 6, 6) || judgeMonthTerm( 10, 10)) {
		return "通学";
	} else {
		return "通学・通学短期";
	}
}