function showDownloadTop(index) {
	switch (index) {
		case 'day':
			document.getElementById('tabTopWeek').className="" ;
			document.getElementById('tabTopTotal').className="" ;
			document.getElementById('tabTopDay').className="up" ;
			document.getElementById('top_view_week').style.display="none" ;
			document.getElementById('top_view_total').style.display="none" ;
			document.getElementById('top_view_day').style.display="block" ;
			break;
		case 'week':
			document.getElementById('tabTopWeek').className="up" ;
			document.getElementById('tabTopTotal').className="" ;
			document.getElementById('tabTopDay').className="" ;
			document.getElementById('top_view_day').style.display="none" ;
			document.getElementById('top_view_total').style.display="none" ;
			document.getElementById('top_view_week').style.display="block" ;
			break ;
		case 'total':
			document.getElementById('tabTopTotal').className="up-r" ;
			document.getElementById('tabTopDay').className="" ;
			document.getElementById('tabTopWeek').className="" ;
			document.getElementById('top_view_day').style.display="none" ;
			document.getElementById('top_view_week').style.display="none" ;
			document.getElementById('top_view_total').style.display="block" ;
			break ;
	}
}