// infomail newsletter
function check_fields_newsletter(){
	firstName=document.subscribe.firstName.value
	lastName=document.subscribe.lastName.value
	email=document.subscribe.email.value
	
	if(firstName == "" || firstName == "Nome" || firstName == null || !isNaN(firstName) || firstName.charAt(0) == ' ') {
	    alert('Nome obbligatorio');
		return false;
	}
	else if(lastName == "" || lastName == "Cognome" || lastName == null || !isNaN(lastName) || lastName.charAt(0) == ' '){
		alert('Cognome obbligatorio');
		return false;
	}
	else if(!indirizzoEmailValido(email)){
		alert('Indirizzo email non valido');
		return false;
	}
	else if(document.subscribe.privacy.checked==false){
		alert('Per procedere con l\'invio del modulo e\' necessario accettare le condizioni presenti nell\'informativa.');
		return false;
	}
	else{
		return true;
	}
}

/*function checkForm(){
	firstName=document.subscribe.firstName.value
	lastName=document.subscribe.lastName.value
	email=document.subscribe.email.value
	
	
	if(firstName == "" || firstName == "Nome" || firstName == null || !isNaN(firstName) || firstName.charAt(0) == ' ') {
	    alert('Nome non valido');
		return false;
	}
	else if(lastName == "" || lastName == "Cognome" || lastName == null || !isNaN(lastName) || lastName.charAt(0) == ' '){
		alert('cognome non valido');
		return false;
	}

	else if(!indirizzoEmailValido(email)){
		alert('Indirizzo e-mail non valido');
		return false;
	}
		
	
	else if(document.subscribe.privacy.checked==false){
		alert('Per procedere con l\'invio del modulo e\' necessario accettare le condizioni presenti nell\'informativa.');
		return false;
	}
	else{
		return true;
	} 
}*/

function indirizzoEmailValido(indirizzo) {
  if (window.RegExp) {
    var nonvalido = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
    var valido = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
    var regnv = new RegExp(nonvalido);
    var regv = new RegExp(valido);
    if (!regnv.test(indirizzo) && regv.test(indirizzo))
      return true;
    return false;
	}
  else {
    if(indirizzo.indexOf("@") >= 0)
      return true;
    return false;
  	}
  };

function setDefaultValues(){
	if (document.subscribe.firstName && document.subscribe.firstName!=null){
		var fname = document.subscribe.firstName.value;
		if(!checkEmptyString(fname)) document.subscribe.firstName.value=' ';
	}
	if (document.subscribe.lastName && document.subscribe.lastName!=null){
		var lname = document.subscribe.lastName.value;
		if(!checkEmptyString(lname)) document.subscribe.lastName.value=' ';
	}
		
	//document.subscribe.submit();
}

function checkEmptyString(str) {
	for(var i=0; i<str.length; i++){
		if(str.charAt(i)!=' '){
			return 1;		// exits as soon as it finds non spaces
		}		 			
	}
	return 0;		// if it gets as far as here it was all spaces
}


// end infomail newsletter