/* Z-index of #mask must lower than #boxes .window */  
#mask    
{
  position:absolute;
  left:0;
  top:0;
  z-index:9000;
  background-color:#000000;
  display:none;
}   
     
#boxes .window {
  position:absolute;
  left:0;
  top:0;
  width:440px;
  height:200px;
  display:none;
  z-index:9999;
  padding:20px;
}

 
  
/* Customize your modal window here, you can add background image too */  

#boxes #CheckLogin {   
  width:450px;    
  height:445px;   
  padding:10px;
  background-image:url(../images/Tables/MsgTable.gif); 
  background-repeat:no-repeat; 
  background-position: center top;
  /*background-color:#ffffff;*/
}