/* This JavaScript (Random Quotes) developed by Scott Clark
The Source is available at http://www.clarksco.com/blog/
Copyright 2005 Clark Consulting */

var num_of_pics = 5;
pic = Math.floor (num_of_pics * Math.random());
pic+=1;
pic+='';

document.write('<img src=\"/images/back_top' + pic + '_bg.jpg\">');