#cover {
display:none;
position:absolute;
left:0px;
top:0px;
width:100%;
height:100%;
background:gray;
filter:alpha(Opacity=50);
opacity:0.5;
-moz-opacity:0.5;
-khtml-opacity:0.5
}
#dialog {
display:none;
left:100px;
bottom:50px;
width:500px;
height:400px;
position:absolute;
z-index:100;
background:white;
padding:2px;
font:10pt tahoma;
border:1px solid gray
}