Examples:↓
<link href="http://prevpic.yolasite.com/resources/css/prevpic20.css" rel="stylesheet" type="text/css" />
<script src="http://code.jquery.com/jquery-latest.min.js" type="text/javascript"></script><br><script src="http://prevpic.yolasite.com/resources/js/prevpic20.js" type="text/javascript"></script>
<img src="yourimageurl" alt="This is the title text" onclick="openprev(this);" class="prevpicpic" />