var banner= new Array()

/*banner[0]="images/fundos/1.jpg"
banner[1]="images/fundos/2.jpg"
banner[2]="images/fundos/3.jpg"
banner[3]="images/fundos/4.jpg"
banner[4]="images/fundos/5.jpg"
banner[5]="images/fundos/6.jpg"
banner[6]="images/fundos/7.jpg"
banner[7]="images/fundos/8.jpg"
*/

banner[0]="images/fundos/4.jpg"
banner[1]="images/fundos/4.jpg"
banner[2]="images/fundos/4.jpg"
banner[3]="images/fundos/4.jpg"
banner[4]="images/fundos/4.jpg"
banner[5]="images/fundos/4.jpg"
banner[6]="images/fundos/4.jpg"
banner[7]="images/fundos/4.jpg"

var random=Math.round(7*Math.random());

document.write('<style>');
document.write('body {');
document.write(' background-image:url("' + banner[random] + '");');
document.write('}');
document.write('</style>');