function mediaboxURL(link,title,w,h) {
        var query = window.location.search.substring(1);
        var vars = query.split("?");
        var mlink = '';
        var mtitle = '';
        var mw = '360';
        var mh = '200';
        for (var i=0;i<vars.length;i++) {
                var pair = vars[i].split("=");
                if (pair[0] == link) {
                        mlink = pair[1];
                } else if (pair[0] == title) {
                        mtitle = pair[1];
                } else if (pair[0] == w) {
                        mw = pair[1];
                } else if (pair[0] == h) {
                        mh = pair[1];
                }
        }
        if (mlink.length > 1) {
                Mediabox.open(mlink, mtitle, mw+' '+mh);
        } else {
                alert('no URL given');
        }
}