function add_contato_news(){
    
nome=document.getElementById('user_name').value;
email=document.getElementById('user_email').value;
  
var html_loanding = J('#cont_hid_load').html();
var html_form = J('#form_hide_news').html();
 
 
J.ajax({
        url: "ajax_contato_news.php",
        global: false,
        cache:false,
        type: "POST",
        data: ({op:'add_contato',nome:nome,email:email}),
        dataType: "html",
        beforeSend:function (){J('#cont_form_news').html(html_loanding)},
        complete:function (){J('#cont_form_news').html(html_form)},
        success: function(data){
          alert (data);
        }
      });

}