title: JQuery Toggle only 1 item and the others not clicked
body: <p>Ok so i have this Jquery that will toggle some radio buttons on the page. I want it so when someone clicks on one of the radio buttons the others are not clicked. Currently the way i have it they can select 3 at a time and I need it to act like a regular radio button that one is clicked and the others are not</p>
  
  <p>jQuery:</p>
  
  <pre><code>$(function () {
    $('.box-ul .btn .dot').click(function () {
      $(this).toggleClass('clicked');
    });
  });
  </code></pre>
  
  <p>HTML:</p>
  
  <pre><code>&lt;div class="box-ul box-video right"&gt;
      &lt;ul&gt;
          &lt;li&gt;&lt;span class="yes"&gt;&lt;/span&gt;&lt;p&gt;Easy to Use&lt;/p&gt;&lt;/li&gt;
          &lt;li&gt;&lt;span class="yes"&gt;&lt;/span&gt;&lt;p&gt;Step by Step&lt;br /&gt;&lt;span&gt;details instructions&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;
          &lt;li&gt;&lt;span class="yes"&gt;&lt;/span&gt;&lt;p&gt;Setup time&lt;br /&gt;&lt;span&gt;under 30 mins&lt;/span&gt;&lt;/p&gt;&lt;/li&gt;
          &lt;li class="btn btn-expanded"&gt;
            &lt;div class="btn-t"&gt;
              &lt;span class="dot left"&gt;&lt;/span&gt;
            &lt;p class="left"&gt;Expanded&lt;br /&gt;
              &lt;span&gt;This is the extend button It has space for slightly more info.&lt;/span&gt;
            &lt;/p&gt;
              &lt;div class="cl"&gt;&amp;nbsp;&lt;/div&gt;
            &lt;/div&gt;
          &lt;/li&gt;
          &lt;li class="btn"&gt;
            &lt;div class="btn-t"&gt;
              &lt;span class="dot left"&gt;&lt;/span&gt;
              &lt;p class="left"&gt;Green Doggies&lt;/p&gt;
              &lt;div class="cl"&gt;&amp;nbsp;&lt;/div&gt;
            &lt;/div&gt;
            &lt;/li&gt;
          &lt;li class="btn"&gt;
            &lt;div class="btn-t"&gt;
              &lt;span class="dot left"&gt;&lt;/span&gt;
              &lt;p class="left"&gt;Email Support&lt;/p&gt;
              &lt;div class="cl"&gt;&amp;nbsp;&lt;/div&gt;
            &lt;/div&gt;
          &lt;/li&gt;
      &lt;/ul&gt;
  &lt;/div&gt;
  </code></pre>