function clearYear4 () {

	for (var counter=1; counter <= 6; counter++) {
		domstyle = findDOM("year4" + counter);
		domstyle.style.backgroundColor="#ffffff";  
	}
}         

function showYear4 () {
	clearAll();

	for (var counter=1; counter <= 6; counter++) {
		domstyle = findDOM("year4" + counter);
		domstyle.style.backgroundColor="#339999";  
	}

	domstyle = findDOM("title_bar");
	domstyle.style.backgroundColor="#339999";  
	domstyle.innerHTML='<br>Capstone year 4 components in color<br>&nbsp;';  
}