function Privacy(source, arguments){
    if(theForm.ctl00_ContentPlaceHolder1_Richiestainfo1_chkPrivacy)
        arguments.IsValid=theForm.ctl00_ContentPlaceHolder1_Richiestainfo1_chkPrivacy.checked;
    else
        if (theForm.ctl00_ContentPlaceHolder1_chkPrivacy)
            arguments.IsValid=theForm.ctl00_ContentPlaceHolder1_chkPrivacy.checked;
        else
            arguments.IsValid=true;
    }