#pop_sfondo {
width:0px;
height:0px;
position:absolute;
left:0px;
top:0px;
z-index:2000;
background-color:black;
text-align:left;
filter:alpha(opacity=80);
-moz-opacity:.80;
opacity:.80;
display:none;	
}

#pop_up {
display:none;
z-index:2001;
width:0px;
height:0px;
position:absolute;
left:0px;
top:0px;
background-color:#000;
}


#pop_up a.close1{
position:absolute;
z-index:999;
display:block;
width:57px;
height:25px;
background:url(../grafica/popup/close_btn.gif) no-repeat;
text-indent:-9999px;
top:2px;
right:0;
color:#fff;
}

#pop_up a.close2{
position:absolute;
z-index:999;
display:block;
width:30px;
height:30px;
background:url(../grafica/popup/close_popup.gif) no-repeat;
text-indent:-9999px;
top:25px;
color:#fff;
}