function homeFirst()
	{
		document.getElementById('busTabDiv').setAttribute('class', 'homeFirst');
		document.getElementById('homeTabDiv').setAttribute('class', 'homeFirst');
		document.getElementById('aboutTabDiv').setAttribute('class', 'homeFirst');
	}
	
function aboutFirst()
	{
		document.getElementById('busTabDiv').setAttribute('class', 'aboutFirst');
		document.getElementById('homeTabDiv').setAttribute('class', 'aboutFirst');
		document.getElementById('aboutTabDiv').setAttribute('class', 'aboutFirst');
	}