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.trifind.com/" target="_blank"><img src="http://www.trifind.com/banner.gif"');
				document.write(' border="0"');
				document.write(' alt="The World\'s Largest Triathlon Calendar"></a>');
				break;
			case 2:
				document.write('<a href="http://www.trainingpeaks.com/trifind" target="_blank"><img src="http://www.trifind.net/b/A-training.gif"');
				document.write(' border="0"');
				document.write(' alt="Triathlon Training - Click For more Info"></a>');
				break;
			case 3:
				document.write('<a href="http://www.trainingpeaks.com/trifind" target="_blank"><img src="http://www.trifind.net/b/A-training.gif"');
				document.write(' border="0"');
				document.write(' alt="Triathlon Training - Click For more Info"></a>');
				break;
			case 4:
				document.write('<a href="http://www.trifind.com/books" target="_blank"><img src="http://www.trifind.com/b/TriBooks2.gif"');
				document.write(' border="0"');
				document.write(' alt="Click Here For Best Selling Triathlon Books"></a>');
				break;
			case 5:
				document.write('<a href="http://www.trifind.com/" target="_blank"><img src="http://www.trifind.com/banner.gif"');
				document.write(' border="0"');
				document.write(' alt="The World\'s Largest Triathlon Calendar"></a>');
				break;
			case 6:
				document.write('<a href="http://www.trifind.com/" target="_blank"><img src="http://www.trifind.com/banner.gif"');
				document.write(' border="0"');
				document.write(' alt="The World\'s Largest Triathlon Calendar"></a>');
				break;
			case 7:
				document.write('<a href="http://www.trifind.com/books" target="_blank"><img src="http://www.trifind.com/b/TriBooks2.gif"');
				document.write(' border="0"');
				document.write(' alt="Click Here For Best Selling Triathlon Books"></a>');
				break;
			case 8:
				document.write('<a href="http://www.trainingpeaks.com/trifind" target="_blank"><img src="http://www.trifind.net/b/A-training.gif"');
				document.write(' border="0"');
				document.write(' alt="Triathlon Training - Click For more Info"></a>');
				break;
			case 9:
				document.write('<a href="http://www.trainingpeaks.com/trifind" target="_blank"><img src="http://www.trifind.net/b/A-training.gif"');
				document.write(' border="0"');
				document.write(' alt="Triathlon Training - Click For more Info"></a>');
				break;
			case 10:
				document.write('<a href="http://www.trifind.com/" target="_blank"><img src="http://www.trifind.com/banner.gif"');
				document.write(' border="0"');
				document.write(' alt="The World\'s Largest Triathlon Calendar"></a>');
				break;
			case 11:
				document.write('<a href="http://www.trifind.com/books" target="_blank"><img src="http://www.trifind.com/b/TriBooks2.gif"');
				document.write(' border="0"');
				document.write(' alt="Click Here For Best Selling Triathlon Books"></a>');
				break;
			case 12:
				document.write('<a href="http://www.trifind.com/" target="_blank"><img src="http://www.trifind.com/banner.gif"');
				document.write(' border="0"');
				document.write(' alt="The World\'s Largest Triathlon Calendar"></a>');
				break;
			case 13:
				document.write('<a href="http://www.trifind.com/books" target="_blank"><img src="http://www.trifind.com/b/TriBooks2.gif"');
				document.write(' border="0"');
				document.write(' alt="Click Here For Best Selling Triathlon Books"></a>');
				break;
			case 14:
				document.write('<a href="http://www.trifind.com/" target="_blank"><img src="http://www.trifind.com/banner.gif"');
				document.write(' border="0"');
				document.write(' alt="The World\'s Largest Triathlon Calendar"></a>');
				break;
			case 15:
				document.write('<a href="http://www.trainingpeaks.com/trifind" target="_blank"><img src="http://www.trifind.net/b/A-training.gif"');
				document.write(' border="0"');
				document.write(' alt="Triathlon Training - Click For more Info"></a>');
				break;
			case 16:
				document.write('<a href="http://www.trifind.com/" target="_blank"><img src="http://www.trifind.com/banner.gif"');
				document.write(' border="0"');
				document.write(' alt="The World\'s Largest Triathlon Calendar"></a>');
				break;
				}