.blocker1 {
  position: absolute;
  top: 0px;
  left: 0px;
  height:100%;
  width:100%;
  min-height: 800px;
  min-width: 1000px;
  z-index: 50;
  filter: alpha(opacity=30);
  opacity: 0.2;
  background-color: gray;
  overflow: hidden;
}

.blocker2 {
  position: absolute;
  top: 0px;
  left: 0px;
  height:100%;
  width:100%;
  min-height: 800px;
  min-width: 1000px;
  z-index: 49;
  filter: alpha(opacity=30);
  opacity: 0.2;
  background-color: gray;
  overflow: hidden;
}

.blockerAjax1 {
  position: absolute;
  top: 0px;
  left: 0px;
  height:100%;
  width:100%;
  min-height: 800px;
  min-width: 1000px;
  z-index: 51;
  filter: alpha(opacity=0);
  opacity: 0.0;
  background-color: gray;
  overflow: hidden;
}