function Visualizzatore(id){
        popwin = window.open('Visualizzatore.aspx?id=' + id ,'image','width=200,height=200,scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no,channelmode=no');
        popwin.focus    
}       
    
function Richiesta(id){
        popwin = window.open('Richiesta.aspx?id=' + id ,'form','width=500px,height=350px,scrollbars=auto,location=no,directories=no,status=yes,menubar=no,toolbar=no,resizable=no,channelmode=no');
        popwin.focus    
}