$().ready(function() { $("#loginform").validate({ errorLabelContainer: '#login_error', rules: { password: { required: true, minlength: 3 } ,user: { required: true } } }); }); var options = { success: showResponsed }; $('#loginform').submit(function() { $(this).ajaxSubmit({success: showResponsed}); return false; }); function showResponsed(responseText, statusText){ if(responseText!=''){ if(responseText=='login_ok'){ $('#form_login').html('s'); }else{ $('#login_error').html(responseText); $('#login_error').get(0).style.display=''; } } }