var randomnumber;
		var x;
		var books;
		
		books = 8;
		
		randomnumber = Math.floor(Math.random() * books);
		randomnumber = randomnumber + 1;
		
		switch(randomnumber)
			{
			case 1:
				document.write('<a href="http://www.ustrisports.com/" target="_blank"><img src="http://www.trifind.net/b/us-trisports/pic2.gif"');
				document.write(' border="0"');
				document.write(' alt="triathlon series in utah"></a>');
				break;
			case 2:
				document.write('<a href="http://www.sunsetracing.com" target="_blank"><img src="http://www.trifind.net/b/sunset/LLV-pic.jpg"');
				document.write(' border="0"');
				document.write(' alt="a sunset racing event"></a>');
				break;
			case 3:
				document.write('<a href="http://www.ustrisports.com/" target="_blank"><img src="http://www.trifind.net/b/us-trisports/pic3.gif"');
				document.write(' border="0"');
				document.write(' alt="triathlon series in utah"></a>');
				break;
			case 4:
				document.write('<a href="http://www.ustrisports.com/" target="_blank"><img src="http://www.trifind.net/b/us-trisports/pic1.gif"');
				document.write(' border="0"');
				document.write(' alt="triathlon series in utah"></a>');
				break;
			case 5:
				document.write('<a href="http://www.silvermannv.com/" target="_blank"><img src="http://www.trifind.net/silverman/silverman2.jpg"');
				document.write(' border="0"');
				document.write(' alt="full and half ironman distance triathlons"></a>');
				break;
			case 6:
				document.write('<a href="http://www.ustrisports.com/" target="_blank"><img src="http://www.trifind.net/b/us-trisports/pic3.gif"');
				document.write(' border="0"');
				document.write(' alt="triathlon series in utah"></a>');
				break;
			case 7:
				document.write('<a href="http://www.silvermannv.com/" target="_blank"><img src="http://www.trifind.net/silverman/silverman2.jpg"');
				document.write(' border="0"');
				document.write(' alt="full and half ironman distance triathlons"></a>');
				break;
			case 8:
				document.write('<a href="http://www.silvermannv.com/" target="_blank"><img src="http://www.trifind.net/silverman/silverman2.jpg"');
				document.write(' border="0"');
				document.write(' alt="full and half ironman distance triathlons"></a>');
				break;
			}