#GB_overlay {
  background-image: url("../lib.grafiken/transparenz.png");
  background-repeat: repeat;
  position: fixed;
  margin: auto;
  top: 0;
  left: 0;
  z-index: 100;
  width:  100%;
  height: 100%;
}

* html #GB_overlay {
  background-color: #000;
  background-color: transparent;
  background-image: url("../lib.grafiken/transparenz.png");
}

#GB_window {
  top: 10px;
  left: 0px;
  position: fixed;
  background: #fff;
  border: 1px solid #DBDBDB;
  overflow: auto;
  /*width: 400px;
  height: 400px;*/
  z-index: 150;
  /*margin-top: -19px;*/
  margin-top: 36px;
  margin-left: -11px;
  /*margin-top: -19px;
  margin-left: -14px;*/
}

#GB_frame {
  border: 0;
  overflow: auto;
  width: 100%;
  height: 378px;
}

#GB_caption {
  font: 12px bold helvetica, verdana, sans-serif;
  color: #fff;
  background: #aaa;
  padding: 4px 0 4px 5px;
  margin: 0;
  text-align: left;
  text-indent: -9999em;
}

#GB_window img {
  position: absolute;
  top: 2px;
  right: 5px;
  cursor: pointer;
}