document.write('<sc'+'ript type="text/javascript">');
iprime = new Array(7);
iprime[0] = "articulos_01.jpg";
iprime[1] = "articulos_02.jpg";
iprime[2] = "articulos_03.jpg";
iprime[3] = "articulos_04.jpg";
iprime[4] = "articulos_05.jpg";
iprime[5] = "articulos_06.jpg";
iprime[6] = "articulos_07.jpg";

var patnumber = Math.floor(Math.random() * iprime.length);
document.write('</sc'+'ript>');
document.write('<a href="reporte_articulosv2.aspx"><IMG alt="Articulos" src="/images/' + iprime[patnumber] + '"> </a>');