function registraNewsLetter(){
	if(!Rule(document.getElementById('sendNewsletter')))
		return;
	$.get("templates/Default/grafica/scripts/registraNewsletter.php?email="+$('#emailNewsletter').val(),function(data){
		$('#emailNewsletter').val('');
		$('#msgFeedbackNewsletter').html(data);
		
		$.blockUI({
	         	overlayCSS: { cursor: 'pointer' }, 
	            message: $('div#msgFeedbackNewsletter'), 
	            css: {                
                	border:'0px'
	            } 
	        });
	   $('.blockOverlay').attr('title','clicca per tornare al sito.').click($.unblockUI);  
	});

}