var fondo = new Array();
fondo[0] = 'http://anunciareninternet.com/images/misimagenes/fondot.jpg';
var ele = Math.round(Math.random()*0);
document.write('<style type="text/css">' );
document.write('body{');
document.write('background: #000000 url("'+fondo[ele]+'") no-repeat top center;');
document.write('background-attachment: fixed;');
document.write('}');
document.write('#publicidad_derechapd {');
document.write('top: 0px;');
document.write('left: 5px;');
document.write('width: 125px;');
document.write('height: 900px;');
document.write('z-index: 999;');
document.write('color: White;');
document.write('position: fixed;');
document.write('padding: 1px 0 1px 0;');
document.write('}');
document.write('#publicidad_izquierdapi {');
document.write('top: 0px;');
document.write('left: 1130px;');
document.write('width: 125px;');
document.write('height: 900px;');
document.write('z-index: 999;');
document.write('color: White;');
document.write('position: fixed; ');
document.write('padding: 1px 0 1px 0;');
document.write('}');
document.write('</style>');