function changeImg() {
	if (pos==3) pos=1;
	new Fx.Tween(oldImg, {property: 'opacity', onComplete: function() { oldImg.destroy(); }}).start(0);
	new Fx.Tween(newImg, {property: 'opacity', onComplete: function() {
		oldImg = newImg;
		newImg = new Element('div', {'class': 'main', 'styles': {'background-image': 'url(/images/pages/home/main'+pos+'.png)', 'opacity':0 }}).inject(content, 'after');
		pos++;
	}}).start(1);
	setTimeout("changeImg();", 10000);
}

var pos = 2;
var oldImg;
var newImg;
window.addEvent('domready', function() {
	content = $(document.body).getElement('div.imgtop');
	oldImg = $(document.body).getElement('div.main');
	newImg = new Element('div', {'class': 'main', 'styles': {'background-image': 'url(/images/pages/home/main'+pos+'.png)', 'opacity':0 }}).inject(content, 'after');
	pos++;
	setTimeout("changeImg();", 10000);
})