function divswitch20()
{
	if(document.getElementById('timeBar20').style.display!='block')
	{
		document.getElementById('timeBar20').style.display='block';
		document.getElementById('timeBar19').style.display='none';
		document.getElementById('tab20').style.background='#bbb';
		document.getElementById('tab19').style.background='#e3e3e3';
	}
}
function divswitch19()
{
	if(document.getElementById('timeBar19').style.display!='block')
	{
		document.getElementById('timeBar19').style.display='block';
		document.getElementById('timeBar20').style.display='none';
		document.getElementById('tab19').style.background='#bbb';
		document.getElementById('tab20').style.background='#e3e3e3';
	}
}