if (document.images)
    {
      preload_image_object = new Image();
      image_url = new Array();
      image_url[0] = '/images/luissimoes/header_home.jpg';
      image_url[1] = '/images/luissimoes/header_home2.jpg';
      image_url[2] = '/images/luissimoes/header_home3.jpg';
	  image_url[3] = '/images/luissimoes/header_home4.jpg';

       var i = 0;
       for(i=0; i<=3; i++) 
         preload_image_object.src = image_url[i];
    }

var imageArray = new Array();
var switchMilliseconds = 8000;
var divID = 'content';

imageArray[0] = '/images/luissimoes/header_home.jpg';
imageArray[1] = '/images/luissimoes/header_home2.jpg';
imageArray[2] = '/images/luissimoes/header_home3.jpg';
imageArray[3] = '/images/luissimoes/header_home4.jpg';

function publishPicture(i)
	{
		document.getElementById(divID).style.background = 'url("'+imageArray[i]+'") top no-repeat #f6f7f8';
		i++;
		if( i > (imageArray.length - 1) ) { i = 0; }
		setTimeout('publishPicture('+i+')',switchMilliseconds);
	}

publishPicture(0);