function switchIntroView(buttonId) {
	
	if (buttonId.match(/flash/)) {
		hideEm = 'flash';
		showEm = 'list';
	} else {
		hideEm = 'list';
		showEm = 'flash';
	}
	
	document.getElementById('viewDiv_' + showEm).style.display = 'block';
	document.getElementById('viewButton_' + showEm).style.display = 'block';
	document.getElementById('viewDiv_' + showEm).style.visibility = 'visible';
	
	document.getElementById('viewDiv_' + hideEm).style.display = 'none';
	document.getElementById('viewButton_' + hideEm).style.display = 'none';
}