// AJAX Engine
function Ajax() {
	
	this.toString = function() {
		return "Ajax";
	}
	
	this.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);
	}
	
	this.checkReadyState = function(_id, _1, _2, _3) {
		switch(this.request.readyState) {
			case 1:
				document.getElementById(_id).innerHTML = _1;
				break;
			case 2:
				document.getElementById(_id).innerHTML = _2;
				break;
			case 3:
				document.getElementById(_id).innerHTML = _3;
				break;
			case 4:
				document.getElementById(_id).innerHTML = "";
				return this.request.status;
		}
	}
}