Ajax = {};

Ajax.makeRequest = function(method, url, callbackMethod) {
	this.request = (window.XMLHttpRequest) ? new XMLHttpRequest() : new ActiveXObject("MSXML2.XMLHTTP");
	this.request.onreadystatechange = callbackMethod;
	this.request.open(method, url, true);
	this.request.send(url);
}

Ajax.checkReadyState = function (_id) {
	switch(this.request.readyState) {
		case 1:
			document.getElementById(_id).innerHTML = 'Loading...';
			break;
		
		case 2:
			document.getElementById(_id).innerHTML = 'Loading...';
			break;
	
		case 3:
			document.getElementById(_id).innerHTML = 'Loading...';
			break;
			
		case 4:
			AjaxUpdater.isUpdating = false;
			document.getElementById(_id).innerHTML = '';
			return this.request.status;
	}	
}

Ajax.getResponse = function() {
	if (this.request.getResponseHeader('Content-Type').indexOf('xml') != -1) {
		return this.request.responseXML.documentElement;	
	} else {
		return this.request.responseText;	
	}
}