/* Z-index of #mask must lower than #moBoxes .window */  
#mask {   
  position:absolute;   
  z-index:9000;   
  background-color:#CCCCCC;   
  display:none;   
}   
#moBoxes .window {   
  position:absolute;   
  width:440px;   
  height:200px;   
  display:none;   
  z-index:9999;   
  padding:20px;
}   
/* Customize your modal window here, you can add background image too */  
#moBoxes #dialog {   
  width:375px;    
  height:203px;   
}