$(function(){ $("#subsBt").click(function(e){ e.preventDefault(); if($("#subs_email").val()==""){ return false; } coche=0; $('.subs').each(function(){ if($(this).attr('checked')){ coche++; sens=$(this).val(); } }); //alert(coche); if(coche==0){return false;} $.ajax({ type: "POST", url: "comportement/php/inscription.html", async: false, data: "email="+$("#subs_email").val()+"&sens="+sens+"&lg="+$("#subsBt").attr('rel'), success: function(msg){ $("#form_news").html(msg); editAdresse(); } }); }); });