title: jquery lightbox is not working
body: <p>I am trying to set custom width and height on lightbox image popup but i am getting error <code>$(...).lightBox is not a function</code></p>
  
  <p>Jquery version: 1.12</p>
  
  <p>lightbox version: 2.9</p>
  
  <p>Following is my html code:</p>
  
  <pre><code>&lt;html&gt;
      &lt;head&gt;
              &lt;script src="js/jquery.js"&gt;&lt;/script&gt;
              &lt;link href="css/lightbox.min.css" rel="stylesheet"&gt;
              &lt;script src="js/lightbox.min.js"&gt;&lt;/script&gt;  
              &lt;script&gt;
                  $(document).ready(function(){
                      $('a').lightBox({
                            maxHeight: 700, 
                            maxWidth: 700
                      });
                  });
              &lt;/script&gt;
      &lt;/head&gt;
  
      &lt;body&gt;
          &lt;a style="color: blue" href="images/sampleinvoice.jpg" data-lightbox="sampleinvoice" data-title="Sample Invoice"&gt;Sample Invoice&lt;/a&gt;
      &lt;/body&gt;
  
  &lt;/html&gt;
  </code></pre>
  
  <p>Any suggestions?</p>