function CheckForm() {
	var email = GetId('email').value;
	var password = GetId('password').value;
	if(password == '' || email == ''){
		alert('Please insert an email AND password');
		return false;
	}
	else return true;
}
function SubmitForm(){
	GetId('login_form').submit();
}
function CheckFormLostPassword() {
var email = GetId('email').value;
if(email == ''){
		alert('Please insert an email');
}
else
GetId('lost-password_form').submit();
}