#backgroundPopUp{  
 display:none;  
 position:fixed;  
 _position:absolute; /* hack for internet explorer 6*/  
 height:100%;  
 width:100%;  
 top:0;  
 left:0;  
 background:#000000;  
 border:1px solid #cecece;  
 z-index:2;  
}

 #popup{  
 display:none;
 position:fixed;  
 _position:absolute; /* hack for internet explorer 6*/  
 height:auto;
 width:500px;  
 background:#FFFFFF;  
 border:2px solid #006bb3;  
 z-index:3;  
 padding:12px;  
 font-size:13px; 
}