$(function(){ $("body").on("click", "#refreshimg", function(){ $.post("newsession.php"); $("#captchaimage").load("image_req.php"); return false; }); $("#captchaform").validate({ rules: { captcha: { required: true, remote: "process.php" } }, messages: { captcha: "Correct captcha is required. Click the captcha to generate a new one" }, submitHandler: function() { alert("Correct captcha!"); }, success: function(label) { label.addClass("valid").text("Valid captcha!") }, onkeyup: false }); });