function checkEmail(str){
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if (filter.test(str)){	return true;	}else{		return false;	}
}		
function subme(modulo) {
var errors='';
  mama=modulo;

  ook=true;
     
if (mama.realname.value=="") {
	errors+='- Name and Surname\n';
    ook=false;
  };
if (!checkEmail(mama.email.value)) {
	errors+='- Valid e-mail address\n';
    ook=false;
  };

if (mama.telefono.value=="") {
	errors+='- Telephone\n';
    ook=false;
  };
if (mama.indirizzo.value=="") {
	errors+='- Address\n';
    ook=false;
  }; 
  
 if (mama.messaggio.value=="") {
	errors+='- Message\n';
    ook=false;
  }; 


if (!ook) {
  alert('Following fields are required:\n\n'+errors);
  }
  
  return ook;
}