function controlli(form)
  {
  error=0;
  msg= "This informations are not complete:\n\n";
  
	if (form.NOMINATIVO.value=="") { msg = msg + " »  Name and surname\n";error=1;}
	if (form.Email.value=="")  { msg = msg + " »  Email \n";error=1;}
		  if (form.Email.value != "")  
		   { 
		    regEx = /(.*)\@(.*)\.(.*)/;  
		    if(!regEx.exec(form.Email.value)) {msg = msg + " »  WRONG E-MAIL!\n";error=1;} 
	       }
	
  
  if (error==0)
    {return true;}
  else 
     {alert(msg); return false;}

}