//カレンダー表示の高さを調整
function FitHeight() {
	var h = 0;
	var Opera = window.opera ? true : false;
	if (Opera) {
		h = document.getElementById('calendar').contentDocument.body.scrollHeight;;
		document.getElementById('calendar').setAttribute("height",h);
	} else if ( !document.all ) {
		h = document.getElementById('calendar').contentDocument.height;
		document.getElementById('calendar').style.height = h + 'px';
	} else if( document.all ) {
		h = document.getElementById('calendar').documentElement.document.body.scrollHeight
		document.all.calendar.style.height = h + 'px';
	}
}