//開閉用
function ShowAndHide(id) {
	var obj = document.getElementById(id);
	if (obj.style.visibility == 'visible') {
		v = 'show';
	}
	if (obj.style.visibility == 'hidden') {
		v = 'hide';
	}
	if (v == 'hide') {
		obj.style.visibility = 'visible';
		obj.style.display = 'block';
	}
	if (v == 'show') {
		obj.style.visibility = 'hidden';
		obj.style.display = 'none';
	}
}

//全選択用