title: Issue with visibility :hidden In jquery slidedown() function
body: <p>When I am using <code>display:none</code> to a div and using <code>slidedown</code> function of JQuery to slide the div then it works but the divs get scattered on display:none ,instead of this when i am <code>Visibilty:none</code> to a div then the other divs do not scatter but the JQuery does not works.</p>
  
  
  
  <pre class="lang-css prettyprint-override"><code>#slider {
      overflow:hidden;
      position:relative;
  }
  .form-notice {
      display:none;
      float:left;
      width:24.3%;
  }
  </code></pre>