title: jQuery Fancybox is not supporting links are in post method
body: <p>I want to manage a sql db table in a same page and not to navigate to other pages.
  I've this code in the head</p>
  
  <pre><code>&lt;head&gt;
          &lt;title&gt;All Magazine Data&lt;/title&gt;
          &lt;link rel="stylesheet" type="text/css" href="css/style.css"&gt;        
          &lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.2/jquery.min.js"&gt;&lt;/script&gt;
          &lt;script src="https://cdnjs.cloudflare.com/ajax/libs/fancybox/3.0.47/jquery.fancybox.min.js"&gt;&lt;/script&gt;
          &lt;link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/fancybox/3.0.47/jquery.fancybox.min.css" /&gt;     
          &lt;script type="text/javascript"&gt;
                  $(document).ready(function() {
                      $(".various").fancybox({
                          maxWidth    : 800,
                          maxHeight   : 600,
                          fitToView   : false,
                          width       : '70%',
                          height      : '70%',
                          autoSize    : false,
                          closeClick  : false,
                          openEffect  : 'none',
                          closeEffect : 'none'
  
                      });
                  });
          &lt;/script&gt;
      &lt;/head&gt;
  </code></pre>
  
  <p>and here is the code that is not working.</p>
  
  <pre><code>&lt;a class="various fancybox.iframe" href="viewthumb.php?url=http://localhost/rupok/img/cover.png"&gt;View Cover&lt;/a&gt;
  </code></pre>
  
  <p>when the image is not valid, The page loads in the iframe. But when I linked valid image in get parameter, It shows an  message </p>
  
  <pre><code>The Requested Content Can not be loaded
  </code></pre>