function microAjax(url, callbackFunction)
{
    this.bindFunction = function (caller, object) {
        return function() {
            return caller.apply(object, new Array(object));
        }
    }

    this.stateChange = function (object) {
        if (this.request.readyState==4) {
			if (this.responseType !='xml') {
            this.callbackFunction(this.request.responseText);
			} else {
				 this.callbackFunction(this.request.responseXML);
			}
        }
    }

    this.getRequest = function() {
        if (window.ActiveXObject)
            return new ActiveXObject('Microsoft.XMLHTTP');
        else if (window.XMLHttpRequest)
            return new XMLHttpRequest();
        else
            return false;
    }

    if (arguments[2])
        this.postBody = arguments[2];
    else 
        this.postBody="";
		
	if (arguments[3])
        this.responseType = arguments[3];
    else 
        this.responseType="text";


    this.callbackFunction=callbackFunction;
    this.url=url;   
    this.request = this.getRequest();

    if(this.request) {
        this.request.onreadystatechange = this.bindFunction(this.stateChange, this);

        if (this.postBody!="") {
            this.request.open("POST", url, true);
            this.request.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
            this.request.setRequestHeader('Connection', 'close');
        } else {
            this.request.open("GET", url, true);
        }

        this.request.send(this.postBody);
    }
}