#hider{
  position: absolute;
  top: 0px;
  left: 0px;
  background-color: black;
  z-index:10;
  opacity:0.5;
  filter:alpha(opacity=50);
}

#login_panel{
  display: none;
  position: absolute;
  top: 200px;
  text-align: left;
  z-index: 100;
  color: white;
  font-weight: bold;
}

#sign_up_panel{
  display: none;
  position: absolute;
  top: 200px;
  text-align: left;
  z-index: 100;
  color: white;
  font-weight: bold;
}

#sitemap_panel{
  display: none;
  position: absolute;
  left: 400px;
  top: 250px;
  width: 250px;
  text-align: left;
}

#img_gal_panel{
  display: none;
  position: absolute;
  text-align: left;
  z-index: 100;
  color: white;
  font-weight: bold;
}

#calendar_panel{
  display: none;
  position: absolute;
  top: 200px;
  text-align: left;
  z-index: 100;
  color: white;
  font-weight: bold;
}

#calend{
  clear: both;
  padding: 20px 0 0 20px;
}