JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.js"></script>
<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.2/themes/ui-lightness/jquery-ui.css">
<div class="gallery" style="width: 67px;">
    <ul>
        <li class="info"><a href="#">Get Info</a></li> 
    </ul>
    <div class="infoPanel">  This is the panel that I need to toggle on and off</div>
</div>

<div class="gallery" style="width: 67px;">
    <ul>
        <li class="info"><a href="#">Get Info</a></li> 
    </ul>
    <div class="infoPanel">  This is the panel that I need to toggle on and off</div>
</div>

<div class="gallery" style="width: 67px;">
    <ul>
        <li class="info"><a href="#">Get Info</a></li> 
    </ul>
    <div class="infoPanel">  This is the panel that I need to toggle on and off</div>
</div>

CSS

div {
    position:relative;
}
.infoPanel {
    display:none;
}

JavaScript

$('div.gallery li.info a').click(function() {
    $(this).closest('.gallery').find('.infoPanel').slideToggle();
    return false;
});