function TabSELECTA1(){
	
	window.document.getElementById('tab_schedule').style.display = 'block';
	window.document.getElementById('tab_about').style.display = 'none';
	window.document.getElementById('tab_ttl_schedule').src = 'imgs/tab_schedule_on.gif';
	window.document.getElementById('tab_ttl_about').src = 'imgs/tab_about_off.gif';

}

function TabSELECTA2(){
	
	window.document.getElementById('tab_schedule').style.display = 'none';
	window.document.getElementById('tab_about').style.display = 'block';
	window.document.getElementById('tab_ttl_schedule').src = 'imgs/tab_schedule_off.gif';
	window.document.getElementById('tab_ttl_about').src = 'imgs/tab_about_on.gif';

}