(function() {

    function get_url_params(url, conversion) {
      conversion = conversion || {};
      if(!url) {
        return {};
      }
      var search = url.split('?');
      if(search.length < 2) {
        return {};
      }
      search = search[1];
      var tokens = search.split('&');
      var params = {};
      for(var i = 0; i < tokens.length; ++i) {
        var tk = tokens[i].split('=');
        var fn = conversion[tk[0]] || function(v) { return v };
        if(tk.length === 2) {
          params[tk[0]] = fn(decodeURIComponent(tk[1]));
        }
      }
      return params;
    }
    
    var url = location.search;
    var opt = get_url_params(url);

    var height = opt.height || '400';
    if(height.indexOf('%') == -1)  {
      height += 'px';
    }

    var l = document.createElement("a");
    l.href = url
    if(l.protocol.indexOf('http') != -1) {
        var port = l.port ? ':' + l.port: '';
        document.write('<iframe src="' + l.protocol + '//' + l.hostname + port + '/viz/embed_forbidden" frameborder="0" width="100%" height="' + height +'" ></iframe>');
    }

})();