function showAlertLogin(whichField, whichAlert, whichText){	
	var whichFieldEl = whichField;
	
	if(whichField.indexOf("login")>-1){
		var whichAlertEl = "#login_" + whichAlert;
	}else{
		var whichAlertEl = whichField + "_" + whichAlert;
	}
	
	$(whichFieldEl).addClass(whichAlert);
	$(whichAlertEl + " span").html(whichText);
	$(whichAlertEl).show();
}

function checkLogin(){
	//resetto gli alert
	$("p.alert").hide();
	$("input.inputText").removeClass("red").removeClass("blu").removeClass("green");
	
	var usernameFieldEl = "#loginUsername";
	var pwFieldEl 		= "#loginPassword";
	var alertEl 		= "#login";
	
	var returnValue = true;
	
	if(!$(usernameFieldEl).val()){
		showAlertLogin(usernameFieldEl,'red','Devi inserire i tuoi dati.');
		returnValue = false;
	}
	
	if(!$(pwFieldEl).val()){
		showAlertLogin(pwFieldEl,'red','Devi inserire i tuoi dati.');
		returnValue = false;
	}
	
	return returnValue;
}


function checkPwreminder(){
	//resetto gli alert
	$("p.alert").hide();
	$("input.inputText").removeClass("red").removeClass("blu").removeClass("green");
	
	var pwreminderEmailFieldEl = "#pwreminderEmail";
	
	var returnValue = true;
	
	if(!$(pwreminderEmailFieldEl).val()){
		showAlertLogin(pwreminderEmailFieldEl,'red','Devi inserire la tua email.');
		return false;
	}
	
	if(($(pwreminderEmailFieldEl).val().indexOf("@") == -1) || ($(pwreminderEmailFieldEl).val().indexOf(".") == -1)){
		showAlertLogin(pwreminderEmailFieldEl,'red','La tua email non &egrave corretta.');
		return false;
	}
	
	
	
	if($(pwreminderEmailFieldEl).val() == "frog@openmind.it"){
		showAlertLogin(pwreminderEmailFieldEl,'green','Ti abbiamo appena inviato l\'email con il codice.');
		return false;
	} else {
		showAlertLogin(pwreminderEmailFieldEl,'blu','Non abbiamo trovato il tuo indirizzo email tra gli utenti.');
		return false;
	}
	

	return true;
	
	
}