// JavaScript Document

var fondo = new Array(); 


fondo[0] = 'img/bgblue.jpg'; 
fondo[1] = 'img/bgblue1.jpg'; 
fondo[2] = 'img/bgblue2.jpg';
fondo[3] = 'img/bgblue3.jpg'; 
fondo[4] = 'img/bgblue4.jpg';
fondo[5] = 'img/bgblue5.jpg';
fondo[6] = 'img/bgblue6.jpg'; 
fondo[7] = 'img/bgblue7.jpg';
fondo[8] = 'img/bgblue8.jpg'; 
fondo[9] = 'img/bgblue9.jpg';



var ele = Math.round(Math.random()*9); 
 

document.write( '<style type="text/css">' ); 
document.write('body{'); 
document.write('background-image: url("'+fondo[ele]+'");'); 
document.write('}'); 
document.write('</style>');