var randomnumber;
		var x;
		var books;
		
		books = 15;
		
		randomnumber = Math.floor(Math.random() * books);
		randomnumber = randomnumber + 1;
		
		switch(randomnumber)
			{
			case 1:
				document.write('<a href="http://www.trinitydesigns.org" target="_blank"><img src="http://www.findaraceevent.com/p/trinity_designs/A.gif"');
				document.write(' border="0"');
				document.write(' alt="necklaces, bracelets, key chains, book marks ...."></a>');
				break;
			case 2:
				document.write('<a href="http://www.ironmankansas.com/" target="_blank"><img src="http://www.trifind.net/b/Z/k/side.jpg"');
				document.write(' border="0"');
				document.write(' alt="half ironman kansas"></a>');
				break;
			case 3:
				document.write('<a href="http://www.dallassportsuniversity.com" target="_blank"><img src="http://www.trifind.net/b/dallas/side.gif"');
				document.write(' border="0"');
				document.write(' alt="dallas area events"></a>');
				break;
			case 4:
				document.write('<iframe src="http://www.trifind.net/b/piranha-sports/side3.html" width=126 height=156 frameborder=0 scrolling=no marginwidth=0 marginheight=0></iframe>');
				break;
			case 5:
				document.write('<a href="http://www.trinitydesigns.org" target="_blank"><img src="http://www.findaraceevent.com/p/trinity_designs/A.gif"');
				document.write(' border="0"');
				document.write(' alt="necklaces, bracelets, key chains, book marks ...."></a>');
				break;
			case 6:
				document.write('<a href="http://www.ironmankansas.com/" target="_blank"><img src="http://www.trifind.net/b/Z/k/side.jpg"');
				document.write(' border="0"');
				document.write(' alt="half ironman kansas"></a>');
				break;
			case 7:
				document.write('<a href="http://www.dallassportsuniversity.com" target="_blank"><img src="http://www.trifind.net/b/dallas/side.gif"');
				document.write(' border="0"');
				document.write(' alt="dallas area events"></a>');
				break;
			case 8:
				document.write('<a href="http://www.ironmanbranson.com/" target="_blank"><img src="http://www.trifind.net/b/Z/k/side-mo.jpg"');
				document.write(' border="0"');
				document.write(' alt="ironmanbranson.com"></a>');
				break;
			case 9:
				document.write('<a href="http://www.ironmankansas.com/" target="_blank"><img src="http://www.trifind.net/b/Z/k/side.jpg"');
				document.write(' border="0"');
				document.write(' alt="half ironman kansas"></a>');
				break;
			case 10:
				document.write('<a href="http://www.trinitydesigns.org" target="_blank"><img src="http://www.findaraceevent.com/p/trinity_designs/A.gif"');
				document.write(' border="0"');
				document.write(' alt="necklaces, bracelets, key chains, book marks ...."></a>');
				break;
			}