title: Zend get value from textbox and add it into search url
body: <p>I have question,this is the following code.</p>
  
  <pre><code>&lt;form action="" method="post" id="search"&gt;
          &lt;div class="row collapse"&gt;
          &lt;div class="ten columns mobile-three"&gt;
          &lt;input type="text" size="25" name="search" value="&lt;?php echo $this-&gt;search ?&gt;"/&gt;
          &lt;/div&gt;
          &lt;div class="two columns mobile-three"&gt;
          &lt;input type="submit" name="/search/index/keyword/" value="Search"; ?&gt;" class="button   expand postfix" id="search_button"/&gt; 
          &lt;/div&gt;
          &lt;/div&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>when I click the submit button,the url should be
  from <code>id/</code> to <code>id/search/index/keyword/(here's the search key)</code></p>