var cap_num;
		function getRandomCap()
		{
			var caps = [];
			caps[0] = 'cap-1.jpg';
			caps[1] = 'cap-2.jpg';
			caps[2] = 'cap-3.jpg';
			caps[3] = 'cap-4.jpg';
			caps[4] = 'cap-5.jpg';
			var num = Math.floor(Math.random()*5);
			var filename = 'http://site.myfavoritecity.com/caps/' + caps[num];
			return [filename, num];
			cap_num = num;
		}
		function loadCap()
		{
                   var cap2_num = cap_num;
			var filename = getRandomCap();
	document.getElementById('cap').innerHTML = "<br /><div style='padding:3px 3px 3px 3px; font-size:12px; font-style:italic;'>Type the following four characters (exactly as shown)<br /> into the box displayed below.  This helps us ensure <br /> your email is quickly and safely routed to us.<br /><img src='" + filename[0] + "' /><input type='hidden' name='cap' value='" + filename[1] + "' /> <input type='text' size='4' maxlength='4' name='cap_user' /></div><br />";
		}
loadCap();