/*
  AJAX Javascript Functions
  © 2007-2008 Patrick Rombouts (patrick [AT] sitebar [DOT] nl)
*/
function getHTTPObject() {
	var http = false;
	if(typeof ActiveXObject != 'undefined') {
		try {http = new ActiveXObject("Msxml2.XMLHTTP");}
		catch (e) {
			try {http = new ActiveXObject("Microsoft.XMLHTTP");}
			catch (E) {http = false;}
		}
	} else if (XMLHttpRequest) {
		try {http = new XMLHttpRequest();}
		catch (e) {http = false;}
	}
	return http;
}

var http = getHTTPObject();
var params =  "";

function AddParam(name, value) {
    params +=  params+"&"+name+"="+value;
}

function ClearParams() {
  params = "";
}

function getMethod(url, returnfunction) {
	http.open("GET", url+"?"+params, true);
	http.onreadystatechange = returnfunction;
	http.send(null);
}

function postMethod(url, returnfunction) {
	http.open("POST", url, true);
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http.setRequestHeader("Content-length", params.length);
	http.setRequestHeader("Connection", "close");
	http.onreadystatechange = returnfunction;
	http.send(params);
}