#popUpSF {position:absolute; top:0; left:0; visibility:hidden; width:98%; height:98%; background-image:url(sf.gif); filter:alpha(opacity=50); -moz-opacity:.5; z-index:1500;}

#POPUP {position:absolute; width:1px; height:1px; top:220px; overflow:auto; visibility:hidden; z-index:2000; background-color:#FFFFFF; color:#000000; padding:15px;}
#contenutoPOPUP {visibility:hidden}