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.13relay.com" target="_blank"><img src="http://www.trifind.net/b/BBSC/east/13R-pic-may1-2010.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			case 2:
				document.write('<a href="http://www.13relay.com" target="_blank"><img src="http://www.trifind.net/b/BBSC/east/13R-pic-may1-2010.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			case 3:
				document.write('<a href="http://www.13relay.com" target="_blank"><img src="http://www.trifind.net/b/BBSC/east/13R-pic-may1-2010.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			case 4:
				document.write('<a href="http://www.thebeachblast.com/" target="_blank"><img src="http://www.trifind.net/b/beach_blast/bb.jpg"');
				document.write(' border="0"');
				document.write(' alt="the beach blast triathlon"><br><b><font size="2"></font></b></a>');
				break;
			case 5:
				document.write('<a href="http://www.familyfitnessweekend.com" target="_blank"><img src="http://www.trifind.net/b/publix/pic2.jpg"');
				document.write(' border="0"');
				document.write(' alt="international distance classic"></a>');
				break;
			case 6:
				document.write('<a href="http://www.13relay.com" target="_blank"><img src="http://www.trifind.net/b/BBSC/east/13R-pic-may1-2010.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			case 7:
				document.write('<a href="http://www.13relay.com" target="_blank"><img src="http://www.trifind.net/b/BBSC/east/13R-pic-may1-2010.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			case 8:
				document.write('<a href="http://www.13relay.com" target="_blank"><img src="http://www.trifind.net/b/BBSC/east/13R-pic-may1-2010.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			}