function swapImage(imageId) {
		switch (imageId) {
			case 'learn-more-green':
			document.getElementById(imageId).src = '/images/buttons/btn-learn-more-green-2.gif';
			break;
			
			case 'learn-more-purple':
			document.getElementById(imageId).src = '/images/buttons/btn-learn-more-purple-2.gif';
			break;
			
			case 'learn-more-blue':
			document.getElementById(imageId).src = '/images/buttons/btn-learn-more-blue-2.gif';
			break;
			
			case 'learn-more-darkblue':
			document.getElementById(imageId).src = '/images/buttons/btn-learn-more-darkblue-2.gif';
			break;
			
			case 'read-all-events':
			document.getElementById(imageId).src = '/images/buttons/btn-read-all-events-2.gif';
			break;
			
			case 'sign-up-today':
			document.getElementById(imageId).src = '/images/buttons/btn-sign-up-2.gif';
			break;
		}
	}
	
	function swapBack(imageId) {
		switch (imageId) {
			case 'learn-more-green':
			document.getElementById(imageId).src = '/images/buttons/btn-learn-more-green.gif';
			break;
			
			case 'learn-more-purple':
			document.getElementById(imageId).src = '/images/buttons/btn-learn-more-purple.gif';
			break;
			
			case 'learn-more-blue':
			document.getElementById(imageId).src = '/images/buttons/btn-learn-more-blue.gif';
			break;
			
			case 'learn-more-darkblue':
			document.getElementById(imageId).src = '/images/buttons/btn-learn-more-darkblue.gif';
			break;
			
			case 'read-all-events':
			document.getElementById(imageId).src = '/images/buttons/btn-read-all-events.gif';
			break;
			
			case 'sign-up-today':
			document.getElementById(imageId).src = '/images/buttons/btn-sign-up.gif';
			break;
		}
	}