<script type="text/javascript" src="http://cdn.dev.skype.com/uri/skype-uri.js"></script>
<div id="SkypeButton_Dropdown_adevera_1">
  <script type="text/javascript">
    Skype.ui({
      "name": "dropdown",
      "element": "SkypeButton_Dropdown_adevera_1",
      "participants": ["adevera"],
      "imageSize": 32
    });
  </script>
</div>