Note: you have to give jquery.js file reference in head
<script type="text/javascript" src="/Style Library/js/jquery.js"></script>
Tab Structure :
<ul class="div-nav">
<li class="choice show-hs activated">High School</li>
<li class="choice show-ms">Middle School</li>
<li class="choice show-es">Elementary School</li>
</ul>
<div class="content">
<div class="calendar">
<div class="webpart hs"></div>
<div class="webpart ms"></div>
<div class="webpart es"></div>
</div></div>
Additional Script :
For Hide All Divs.
$("#daily-wrapper .webpart").hide();
Show First Div when loading page.
$("#daily-wrapper .hs").fadeIn('slow');
Tab Selected Class.
$("ul.div-nav li.choice").click(function(){$(this).toggleClass("activated")});
Remove Class when other one select.
$("ul.div-nav li.choice").click(function(){$(this).siblings('ul.div-nav li').removeClass('activated')});
you have to add Style & script in additional Head :
<style type="text/css">
#daily-wrapper{ border:solid 4px#999;width:500px;}
#daily-wrapper ul.div-nav li {font-size:1.2em;margin:0px;border-right:1px solid #fff;}
#daily-wrapper .calendar {position:relative;border:0px solid #333;float:left;}
#daily-wrapper .calendar {margin-right:19px;}
#daily-wrapper .content .calendar h2 {color:#000;margin-bottom:20px;}
ul.div-nav {width:100%;background:#999;float:left;text-align:center;padding:0px;margin:0px;}
ul.div-nav li {display:block;float:left;color:#fff;text-decoration:none;padding:10px;}
ul.div-nav li:hover {background:#b80000;cursor:pointer;}
ul.div-nav li.activated {background:#b80000;}
</style>
<script type="text/javascript">
$("ul.div-nav").ready(function(){
$("#daily-wrapper .webpart").hide();
$("#daily-wrapper .hs").fadeIn('slow');
$("ul.div-nav li.choice").click(function(){$(this).toggleClass("activated")});
$("ul.div-nav li.choice").click(function(){$(this).siblings('ul.div-nav li').removeClass('activated')});
$("ul.div-nav li.choice").click(function(){$("#daily-wrapper .webpart").fadeOut('fast')});
$("ul.div-nav li.show-hs").click(function(){$("#daily-wrapper .webpart.hs").fadeIn('slow')});
$("ul.div-nav li.show-ms").click(function(){$("#daily-wrapper .webpart.ms").fadeIn('slow')});
$("ul.div-nav li.show-es").click(function(){$("#daily-wrapper .webpart.es").fadeIn('slow')});
});
</script>
Structure :
<div id="daily-wrapper">
<ul class="div-nav">
<li class="choice show-hs activated">High School</li>
<li class="choice show-ms">Middle School</li>
<li class="choice show-es">Elementary School</li>
</ul>
<div class="content">
<div class="calendar">
<div class="webpart hs">
<h2>div first</h2>
Lorem Ipsum is simply dummy text of the printing and typesetting industry.
</div>
<div class="webpart ms">
<h2>div Secoond</h2>
Lorem Ipsum is simply dummy text of the printing and typesetting industry.
</div>
<div class="webpart es"><h2>div Third</h2>
Lorem Ipsum is simply dummy text of the printing and typesetting industry.
</div>
</div>
</div>
</div>
If you have any questions you can reach out our SharePoint Consulting team here.