function loadJSON(url, queryString, type)
{
        var headId = document.getElementsByTagName("head")[0];
        if (typeof(type) == "undefined") type = 'script';

    url += (url.indexOf('?') >= 0) ? "&" : "?";
    url += queryString;    
    url += "&noCacheIE=" + (new Date()).getTime();
    
    if (type == 'link') {
        var link = document.createElement('link');
        link.rel = 'alternate';
        link.type = 'application/rss+xml';
        link.href = url;
    } else {
        var link = document.createElement('script');
        link.type = 'text/javascript';
        link.src = url;
    }
    
    headId.appendChild(link);
}