body 
{
    margin:0px;
    padding:0px;
    font-size:12px;
}

#ifr_Mask
{
    opacity: 0;
    filter: alpha(opacity=0);
    border: none;
}
#div_Mask
{
   background-color:#cccccc;
   opacity:0.7;
   filter:alpha(opacity=70);
}

#div_Dialog
{
    background-color: #fff;
    display: none;
    font-family:Tahoma;
}