var xml; var xmltype;

function loadXMLDoc(url) {
	if (window.ActiveXObject) {
		xml = new ActiveXObject("Microsoft.XMLHTTP");
		if (xml) {
			xml.onreadystatechange = processXMLChange;
			xml.open("GET", url, true);
			xml.send();
		}
	}else if (window.XMLHttpRequest) {
		xml = new XMLHttpRequest();
		xml.onreadystatechange = processXMLChange;
		xml.open("GET", url, true);
		xml.send(null);
	}
}

function processXMLChange() {
	if (xml.readyState == 4) {
		if (xml.status == 200) {
			if (!pricing) {
				switch (property_id) {
					case 1684 : processDataSpecial(); break;
					case 1682 : processDataSpecial(); break;
					case 666 : processImage(); break;
					default : processData();
				}
			} else {
				processPricingRates();
			}
		} else {
			alert("Error retrieving XML data:\n" + xml.statusText);
		}
	}
}