var Request = new Object();
Request.send = function(url, method, callback, data) {
	var req;
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
	}
	else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else {
		return;
	}
	req.onreadystatechange = function() {
		if (req.readyState == 4) {// only if req shows "loaded"
			if (req.status < 400) {// only if "OK"
				(method=="POST") ? callback(req) : callback(req,data);
			}
		}
	}
	if (method=="POST") {
		req.open("POST", url, true);
		req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		req.send(data);
	} else {
		req.open("GET", url, true);
		req.send(null);
	}
	return req;
}

Request.sendGET = function(url, callback, args) {
	return Request.send(url, "GET", callback, args);
}
function $() {
    var elements = new Array();

    for (var i = 0; i < arguments.length; i++) {

      var element = arguments[i];

      if (typeof element == "string") {
        if (document.getElementById) {
          element = document.getElementById(element);
        } else if (document.all) {
          element = document.all[element];
        }
      }

      elements.push(element);

    }

    if (arguments.length == 1 && elements.length > 0) {
      return elements[0];
    } else {
      return elements;
    }
}