title: filter a select box with jQuery
body: <p>I tried to made text input that filtering selectbox.
  I'm trying to fix it alot of time but it still not working well.
  Maybe because it is in hebrew?</p>
  
  <p>HTML:
      
                          </p>
  
  <pre><code>&lt;option value="628077"&gt; new york&lt;/option&gt;
  &lt;option value="244228"&gt;רמת גן&lt;option&gt;
  &lt;option value="641332"&gt; דימונה&lt;/option&gt;
  &lt;option value="240812"&gt; הזורעים&lt;/option&gt;
  .
  .
  .
  &lt;option value="640375"&gt; עתניאל&lt;/option&gt;
  &lt;option value="344580"&gt;  חיפה&lt;/option&gt;
  &lt;option value="440560"&gt;  בית רבן&lt;/option&gt;
  &lt;option value="520098"&gt; הרצליה&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>jQuery:</p>
  
  <pre><code>&lt;script type="text/javascript" &gt;
          $('#city').keyup(function () {
  
              var valthis = $(this).val();
              var num = 0;
              $('select#DropDownList1&gt;option').each(function () {
                  var text = $(this).text();
                  if(text.indexOf(valthis) != -1)  
                 { $(this).show();} 
                 else{ $(this).hide();}
  
              });
  
          });
  &lt;/script&gt;
  </code></pre>
  
  <p>I need your help!</p>