#page_screen{
	background-color:#000000;
	filter:alpha(opacity=50);
	opacity: 0.8;
	position:absolute;
	background-repeat:repeat;
	top:0px;
	bottom:0px;
	left:0px;
	width:100%;
	display:none;
    visibility: visible;
	overflow: visible;
    min-height: 100%;
    min-height: auto !important;
    height: 100%;
}

#panel1{
   width:300px;
   height:300px;
   background-color:#FFFFFF;
   border:1px solid #000000;   
   position:absolute;
   top:0px;
   left:0px;
}
#panel2{
   width:300px;
   height:300px;
   background-color:#FFFFFF;
   border:1px solid #000000;   
   position:absolute;
   top:0px;
   left:0px;
}
#panel3{
   width:300px;
   height:300px;
   background-color:#FFFFFF;
   border:1px solid #000000;   
   position:absolute;
   top:0px;
   left:0px;
}
#panel4{
   width:300px;
   height:300px;
   background-color:#FFFFFF;
   border:1px solid #000000;   
   position:absolute;
   top:0px;
   left:0px;
}

.desk{ font-family:arial; font-size:15px; color:#000000; font-weight:bold; text-decoration:none}
.prew{ border:1px solid #FFFFFF}