function ValNull(item) {
  if (item == "") return false; 
     return true;
}

function NoChar(item){
	if (item.indexOf ('<', 0) != -1) return false;
        if (item.indexOf ('>', 0) != -1) return false;
   return true;
}

function checkForm(){
   errfound = false;

if (!ValNull(document.dxnews.author.value)){
   window.alert("Devi inserire il tuo nome.");
   document.dxnews.author.focus();
   return false;
   }

if (!NoChar(document.dxnews.author.value)){
   window.alert("NO HTML !!");
   document.dxnews.author.focus();
   return false;
   }

if (!ValNull(document.dxnews.ati.value)){
   window.alert("Devi inserire il QRZ dell' Attivazione.");
   document.dxnews.ati.focus();
   return false;
   }

if (!NoChar(document.dxnews.ati.value)){
   window.alert("NO HTML !!");
   document.dxnews.ati.focus();
   return false;
   }

if (!NoChar(document.dxnews.day.value)){
   window.alert("NO HTML !!");
   document.dxnews.day.focus();
   return false;
   }

if (!ValNull(document.dxnews.man.value)){
   window.alert("Devi specificare il manager !!");
   document.dxnews.man.focus();
   return false;
   }

if (!NoChar(document.dxnews.man.value)){
   window.alert("NO HTML !!");
   document.dxnews.man.focus();
   return false;
   }

if (!NoChar(document.dxnews.add.value)){
   window.alert("NO HTML !!");
   document.dxnews.add.focus();
   return false;
   }

}