.goStart();
    }
    if (aEvent.keyCode == 32) { // space
      aEvent.preventDefault();
      this.toggleContent();
    }
  }
  
  Dz.onmessage = function(aEvent) {
    var argv = aEvent.data.split(" "), argc = argv.length;
    argv.forEach(function(e, i, a) { a[i] = decodeURIComponent(e) });
    if (argv[0] === "CURSOR" && argc === 2) {
      if (aEvent.source === this.views.present) {
        var cursor = argv[1].split(".");
        this.postMsg(this.views.present, "GET_NOTES");
        this.idx = ~~cur