function r(min, max)
{
  if (max)
  	return Math.floor(Math.random() * (max - min + 1)) + min;
  else
  	return Math.floor(Math.random() * (min + 1));
}
var nb = 3;
var nbr = r(1, nb);
window.addEvent('domready', function()
{
	for (i = 1; i <= nb; i++)
		$('content'+i).fade('hide');
	$('content'+nbr).get('tween', {property: 'opacity', duration: '1000ms'}).start(1);
});
var j = nbr;
function b()
{
	$('content'+j).get('tween', {property: 'opacity', duration: '2000ms'}).start(0);
	j++;
	if (j > nb)
		j = 1;
	$('content'+j).get('tween', {property: 'opacity', duration: '2000ms'}).start(1);
}
function bL()
{
  setInterval("b()", 5000);
}
bL();// JavaScript Document