title: Hide formfield what is already preselect
body: <p>I have a formfield what I will hide because it is already pre filled. Customers don't need to change something there and they do not understand that field so we want to hide that field.</p>
  <p>If i use <code>&lt;!--  --&gt;</code>  code then it is hidden but if you go further with the next step in the form then I get the problem that nothing is selected. I think cause of the field is not available anymore.</p>
  <p>So how can I hide that field, and then I can go further with the steps.</p>
  <p>This is the original script.</p>
  <pre class="lang-php prettyprint-override"><code>&lt;h2&gt;&lt;?php echo __('choose your product'); ?&gt;&lt;/h2&gt;
  &lt;br /&gt;
      
  &lt;label class=&quot;w1&quot;&gt;&lt;?php echo __('product'); ?&gt;:&lt;/label&gt;
  &lt;select name=&quot;Product&quot; class=&quot;w1 &lt;?php if(SHOW_SELECT_PRICE == 'yes'){ echo &quot;show_amount_span&quot;; } ?&gt;&quot;&gt;
      &lt;option value=&quot;&quot;&gt;&lt;?php echo __('please choose'); ?&gt;&lt;/option&gt;
      &lt;?php
      foreach($list_products as $product_id =&gt; $tmp_product){
          ?&gt;&lt;option value=&quot;&lt;?php echo $tmp_product-&gt;ProductCode; ?&gt;&quot; &lt;?php if(isset($element_list['Product']['ProductCode']) &amp;&amp; $element_list['Product']['ProductCode'] == $tmp_product-&gt;ProductCode){ echo &quot;selected=\&quot;selected\&quot;&quot;; } ?&gt;&gt;&lt;?php echo $tmp_product-&gt;ProductName; ?&gt;&lt;/option&gt;&lt;?php
      }
      ?&gt;
  &lt;/select&gt;
  </code></pre>