function thumb01() {
	document.getElementById('lgImage').src='../images/img_engineeredsystems01.jpg';
	document.getElementById('lgImage').width=400;
	document.getElementById('lgImage').height=346;
	document.getElementById('engsys01').style.display="none";
	document.getElementById('engsys02').style.display="inline";
	document.getElementById('engsys03').style.display="inline";
}
function thumb02() {
	document.getElementById('lgImage').src='../images/img_engineeredsystems02.jpg';
	document.getElementById('lgImage').width=400;
	document.getElementById('lgImage').height=346;
	document.getElementById('engsys02').style.display="none";
	document.getElementById('engsys01').style.display="inline";
	document.getElementById('engsys03').style.display="inline";
}
function thumb03() {
	document.getElementById('lgImage').src='../images/img_engineeredsystems03.jpg';
	document.getElementById('lgImage').width=400;
	document.getElementById('lgImage').height=346;
	document.getElementById('engsys03').style.display="none";
	document.getElementById('engsys01').style.display="inline";
	document.getElementById('engsys02').style.display="inline";
}