var j, list= new Array(), list_htm= new Array()
  list[list.length]='images/software-quote-ani.gif alt="Bespoke software quote"';
  list[list.length]='images/network-tools.gif alt="Netwotk Tools"';
  list[list.length]='images/numberplate-ani2.gif alt="View our Number Plate demo"';

  list_htm[list_htm.length]='"software-quote.asp"';
  list_htm[list_htm.length]='"http://www.itpartnership.com/tools/network-tools.asp" target="_blank"';
  list_htm[list_htm.length]='"http://www.ontheworldweb.com/" target="_blank"';

  j=parseInt(Math.random()*list.length);
  j=(isNaN(j))?0:j;
    document.write('<a href=' + list_htm[j] + '><img src=' + list[j] + ' border="0"></a>');