#mask {  
	  position:absolute;  
	  z-index:9000;  
	  background-color:#000;  
	  display:none;  
	  left:0;
	  top:0;
} 
.window{
  display: none;
  position:absolute;  
  left:100px;
  top:100px;	  
  z-index:10000;
}

.window_pp{
  display: none;
  position:absolute;  
  left:100px;
  top:100px;	  
  z-index:10000;
  background-color:#FFF;
}

.window_lod{
  display: none;
  position:absolute;  
  left:100px;
  top:100px;	  
  z-index:10000;
}