function init_random_image()
{
var rand_no = Math.ceil(22*Math.random())
document.getElementById('second').style.background = 'url(includes/homepage/image_' + rand_no + '.jpg) center no-repeat';
//document.getElementById('second').innerHTML = '<img src="includes/homepage/image_' + rand_no + '.jpg" id="montage" />';
}
addLoadEvent(init_random_image);