fancy sliding form add more tabs

fancy sliding form add more tabs

Using Fancy sliding form I'm adding more tabs (fieldset and li element ) .
i follow this link .
http://tympanus.net/codrops/2010/06/07/fancy-sliding-form-with-jquery/
my code of navigation Div is
<div id="navigation">
<ul>
<li class="selected">
<a href="#" id="gi">General Info</a> </li>
<li><a href="#" id="ci">Contact Info</a> </li>
<li><a href="#" id="pd">Credentials</a></li>
<li><a href="#" id="pi">Alerts & Directives</a> </li>
<li><a href="#" id="si">Record Releases</a> </li>
<li><a href="#" id="em">Employer</a> </li>
<li><a href="#" id="pid">Patient ID</a> </li>
<li><a href="#" id="A1">Contact</a> </li>
<li><a href="#" id="abcd">AB</a> </li>
<li><a href="#" id="e">CD</a> </li>
<li><a href="#" id="d">EF</a> </li>
<li><a href="#" id="s">GH</a> </li>
<li><a href="#" id="Aew2">IJ</a> </li>
<li><a href="#" id="Awe2">KL</a> </li>
<li><a href="#" id="ewe">MN</a> </li>
</ul>
</div>
These are around 15 Tabs ,But i only can see first 7 tabs in form and
they sliding also.But after 7 tab i can not sliding form
below ,just can seenter code heree tabs name ,but when i click on tabs after
Patient ID
then its not work for me , Please give me any solution ,what should i need
change in JQuery files or Css.I've not idea . Thanks,