JSFiddle - React, Tailwind, and code Playground

HTML

<form id="frmSignUp" action="/account/signup?a=1" name="myForm" method="post">
    <table width="390" border="0" cellspacing="0" cellpadding="0" align="right">
        <td colspan="3">
            <div style="float: right;margin-right:26px;width:200px;">
                <img id="siimage" align="left" style="padding-right: 5px; border: 0" src="/securityimage/securimage_show.php?sid={/application/random}" />
                <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="19" height="19" id="SecurImage_as3" align="middle">
                    <param name="wmode" value="opaque" />
                    <param name="allowScriptAccess" value="sameDomain" />
                    <param name="allowFullScreen" value="false" />
                    <param name="movie" value="http://cheersoye.com/securityimage/securimage_play.swf?audio=/securityimage/securimage_play.php&bgColor1=#777&bgColor2=#fff&iconColor=#000&roundedCorner=5" />
                    <param name="quality" value="high" />
                    <param name="bgcolor" value="#ffffff" />
                    <embed src="http://cheersoye.com/securityimage/securimage_play.swf?audio=http://cheersoye.com/securityimage/securimage_play.php&bgColor1=#777&bgColor2=#fff&iconColor=#000&roundedCorner=5" quality="high" bgcolor="#ffffff" width="19" height="19" name="SecurImage_as3" wmode="opaque" align="middle" allowScriptAccess="sameDomain" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />
                </object>
                <br/>
<a tabindex="-1" style="border-style: none" href="#" title="Refresh Image" onclick="document.getElementById('siimage').src = '/securityimage/securimage_show.php?sid=' + Math.random(); return false"><img src="<?php echo IMAGE_URL; ?>/refresh.gif" alt="Reload Image" border="0" onclick="this.blur()" align="bottom"...

JavaScript

var validated = false;
$("#frmSignUp").on("submit", function (e) {
    if (!validated) {
        e.preventDefault();
        var captchaCode = $("#capcode").val();
        if (captchaCode == "") {
            alert("Please type Code!");
            $("#capcode").focus();
            return false
        } else {
            $.ajax({
                type: "POST",
                url: "checkcaptcha.php",
                data: "captcha=" + captchaCode,
                success: function (msg) {
                    if ($.trim(msg) == '2') {
                        alert('Entered code is wrong');
                        reloadCaptcha();
                        return false;
                    }
                    validated = true;
                    $("#frmSignUp").submit();
                }
            });
        }
    }
});

function reloadCaptcha() {
    jQuery('#siimage').prop('src', 'securityimage/securimage_show.php?sid=' + Math.random());
}