<a href="#">TIKLA</a>
<span></span>

a{display: inline-block; background: #00FF99; padding:20px; border-bottom:4px solid #00CC00; color:#00CC99; text-decoration:none; margin-bottom:20px;}

$(document).ready(function(){
    $(document).ajaxError(function(){
        alert("HOŞGELDİNİZ");
    });
    $("a").click(function(){
        $("span").load("wrongfile.txt");
    });
});