var randomnumber;
		var x;
		var books;
		
		books = 16;
		
		randomnumber = Math.floor(Math.random() * books);
		randomnumber = randomnumber + 1;
		
		switch(randomnumber)
			{
			case 1:
				document.write('<a href="http://www.chelanman.com/" target="_blank"><img src="http://www.trifind.net/coulee/CM1.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			case 2:
				document.write('<a href="http://www.thegrandcolumbian.com" target="_blank"><img src="http://www.trifind.net/coulee/GC4.jpg"');
				document.write(' border="0"');
				document.write(' alt="Full and Half Iron Distance Triathlons - click for more info"></a>');
				break;
			case 3:
				document.write('<a href="http://www.thegrandcolumbian.com" target="_blank"><img src="http://www.trifind.net/coulee/GC3.jpg"');
				document.write(' border="0"');
				document.write(' alt="Full and Half Iron Distance Triathlons - click for more info"></a>');
				break;
			case 4:
				document.write('<a href="http://www.thegrandcolumbian.com" target="_blank"><img src="http://www.trifind.net/coulee/GC2.jpg"');
				document.write(' border="0"');
				document.write(' alt="Full and Half Iron Distance Triathlons - click for more info"></a>');
				break;
			case 5:
				document.write('<a href="http://www.chelanman.com/" target="_blank"><img src="http://www.trifind.net/coulee/CM1.jpg"');
				document.write(' border="0"');
				document.write(' alt="Triathlons in Washington - click for more info"></a>');
				break;
			case 6:
				document.write('<a href="http://www.thegrandcolumbian.com" target="_blank"><img src="http://www.trifind.net/coulee/GC1.jpg"');
				document.write(' border="0"');
				document.write(' alt="Full and Half Iron Distance Triathlons - click for more info"></a>');
				break;
			case 7:
				document.write('<a href="http://www.chelanman.com/" target="_blank"><img src="http://www.trifind.net/coulee/CM1.jpg"');
				document.write(' border="0"');
				document.write(' alt="Half Iron Distance Tri and more"></a>');
				break;
			case 8:
				document.write('<a href="http://www.chelanman.com/" target="_blank"><img src="http://www.trifind.net/coulee/CM1.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more information"></a>');
				break;
			case 9:
				document.write('<a href="http://www.thegrandcolumbian.com" target="_blank"><img src="http://www.trifind.net/coulee/GC4.jpg"');
				document.write(' border="0"');
				document.write(' alt="Full and Half Iron Distance Triathlons - click for more info"></a>');
				break;
			case 10:
				document.write('<a href="http://www.chelanman.com/" target="_blank"><img src="http://www.trifind.net/coulee/CM1.jpg"');
				document.write(' border="0"');
				document.write(' alt="Half Iron - Sprint -  5k - plus much more"></a>');
				break;
			case 11:
				document.write('<a href="http://www.thegrandcolumbian.com" target="_blank"><img src="http://www.trifind.net/coulee/GC4.jpg"');
				document.write(' border="0"');
				document.write(' alt="Full and Half Iron Distance Triathlons - click for more info"></a>');
				break;
			case 12:
				document.write('<a href="http://www.thegrandcolumbian.com" target="_blank"><img src="http://www.trifind.net/coulee/GC1.jpg"');
				document.write(' border="0"');
				document.write(' alt="Full and Half Iron Distance Triathlons - click for more info"></a>');
				break;
			case 13:
				document.write('<a href="http://www.chelanman.com/" target="_blank"><img src="http://www.trifind.net/coulee/CM1.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			case 14:
				document.write('<a href="http://www.chelanman.com/" target="_blank"><img src="http://www.trifind.net/coulee/CM1.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more info"></a>');
				break;
			case 15:
				document.write('<a href="http://www.chelanman.com/" target="_blank"><img src="http://www.trifind.net/coulee/CM1.jpg"');
				document.write(' border="0"');
				document.write(' alt="click for more race information"></a>');
				break;
			case 16:
				document.write('<a href="http://www.thegrandcolumbian.com" target="_blank"><img src="http://www.trifind.net/coulee/GC4.jpg"');
				document.write(' border="0"');
				document.write(' alt="Full and Half Iron Distance Triathlons - click for more info"></a>');
				break;
			}