f graph == 'undefined') {
          if ('graph' in params) {
            graph = params.graph;
          }
          url += '&header=';
        } else if (graph != null) {
          url += '&header=' + graph;
        }
        if (graph != null) {
          url += '&graph=' + graph;
        }
        if (thumbnail) {
          url += '&thumbnail';
        }
        document.write('<td>' + debug + '<iframe' +
                       //' scrolling="no"' +
                       ' height="' + heighth + '"' +
  