var xmlhttp;

function favoriteStoreAction(action,userid,storeid){
    xmlhttp = GetXmlHttpObject();
    if (xmlhttp == null) {
        alert("Browser does not support HTTP Request");
        return;
    }
    var url = "scripts/favorites.php";
    url = url + "?action="+action+"&userid="+userid+"&storeid="+storeid;
    xmlhttp.onreadystatechange = stateChanged11;
    xmlhttp.open("GET", url, true);
    xmlhttp.send(null);
}

function stateChanged11(){
    if (xmlhttp.readyState >= 1 && xmlhttp.readyState <= 3) {
        document.getElementById("favoritestores").innerHTML = "<h3>Loading...</h3><img src='graphics/ajax-loader.gif' class='spinner' />";
    }
    if (xmlhttp.readyState == 4) {
        document.getElementById("favoritestores").innerHTML = xmlhttp.responseText;
    }
}

function GetXmlHttpObject(){
    if (window.XMLHttpRequest) {
        // code for IE7+, Firefox, Chrome, Opera, Safari
        return new XMLHttpRequest();
    }
    if (window.ActiveXObject) {
        // code for IE6, IE5
        return new ActiveXObject("Microsoft.XMLHTTP");
    }
    return null;
}