var randomnumber;
		var x;
		var books;
		
		books = 5;
		
		randomnumber = Math.floor(Math.random() * books);
		randomnumber = randomnumber + 1;
		
		switch(randomnumber)
			{
			case 1:
				document.write('<br><a href="http://www.gatewaytothebay.com/" target="_blank"><img src="http://www.trifind.net/b/gateway-to-the-bay/side.jpg"');
				document.write(' border="0"');
				document.write(' alt="qualifier for Escape from Alcatraz Triathlon"></a>');
				break;
			case 2:
				document.write('<br><a href="http://www.gatewaytothebay.com/" target="_blank"><img src="http://www.trifind.net/b/gateway-to-the-bay/side.jpg"');
				document.write(' border="0"');
				document.write(' alt="gatewaytothebay.com"></a>');
				break;
			case 3:
				document.write('<br><a href="http://www.gatewaytothebay.com/" target="_blank"><img src="http://www.trifind.net/b/gateway-to-the-bay/side.jpg"');
				document.write(' border="0"');
				document.write(' alt="gateway to the bay triathlon"></a>');
				break;
			case 4:
				document.write('<br><a href="http://www.gatewaytothebay.com/" target="_blank"><img src="http://www.trifind.net/b/gateway-to-the-bay/side.jpg"');
				document.write(' border="0"');
				document.write(' alt="gateway to the bay triathlon"></a>');
				break;
			case 5:
				document.write('<br><a href="http://www.gatewaytothebay.com/" target="_blank"><img src="http://www.trifind.net/b/gateway-to-the-bay/side.jpg"');
				document.write(' border="0"');
				document.write(' alt="gateway to the bay triathlon"></a>');
				break;
			}