function banner_done(xmlhttp) {
	if (xmlhttp.responseText.indexOf('cms_banners') != -1) {
  	document.getElementById('banner').innerHTML = xmlhttp.responseText;
	}
}

function banner_get() {
	xml = new xmlconn;
  xml.connect(sitebase + 'cms_banners/xml/', "GET", '', banner_done);
}

banner_get();