var randomnumber;
		var x;
		var books;
		
		books = 10;
		
		randomnumber = Math.floor(Math.random() * books);
		randomnumber = randomnumber + 1;
		
		switch(randomnumber)
			{
			case 1:
				document.write('<a href="http://www.playtri.com/races.php" target="_blank"><img src="http://www.trifind.net/b/playtri/pic1.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 2:
				document.write('<a href="http://www.playtri.com/dirtyrock.php" target="_blank"><img src="http://www.trifind.net/b/playtri/pic6.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 3:
				document.write('<a href="http://www.playtri.com/" target="_blank"><img src="http://www.trifind.net/b/playtri/pic3.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 4:
				document.write('<a href="http://www.playtri.com/" target="_blank"><img src="http://www.trifind.net/b/playtri/pic4.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 5:
				document.write('<a href="http://www.playtri.com/" target="_blank"><img src="http://www.trifind.net/b/playtri/pic1.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 6:
				document.write('<a href="http://www.playtri.com/dirtyrock.php" target="_blank"><img src="http://www.trifind.net/b/playtri/pic6.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 7:
				document.write('<a href="http://www.playtri.com/" target="_blank"><img src="http://www.trifind.net/b/playtri/pic3.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 8:
				document.write('<a href="http://www.playtri.com/races.php" target="_blank"><img src="http://www.trifind.net/b/playtri/pic5.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 9:
				document.write('<a href="http://www.playtri.com/" target="_blank"><img src="http://www.trifind.net/b/playtri/pic2.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			case 10:
				document.write('<a href="http://www.playtri.com/" target="_blank"><img src="http://www.trifind.net/b/playtri/pic3.jpg"');
				document.write(' border="0"');
				document.write(' alt="multisport events in texas & nearby states"></a>');
				break;
			}