var current_banner = -1,
	imgs = new Array,
	numImgs = 4;
 
if (document.images) {
	for (x=0; x<numImgs; x++) {
		imgs[x]=new Image(736, 185);
		imgs[x].src="/gfx/banner" + x + ".jpg";
	}
}
 
function fadein() {
	current_banner += (current_banner == 3) ? -3 : 1;
	$('img_rotate').style.backgroundImage =  'url("' + imgs[current_banner].src + '")';
	(function(){ $('img_rotate').fade('in'); }).delay(500);
}
 
function rotate_banner() {
	$('img_rotate').fade('out');
	(function(){ fadein(); }).delay(500);
}
 
window.addEvent('domready', function(){ rotate_banner(); setInterval('rotate_banner()', 5000); });