title: Getting magento Attribute on item returns blank
body: <p>I am trying to get some custom attributes to show in magento like Color, Delivery_Time... </p>
  
  <p>I could call Some Attributes with : </p>
  
  <pre><code>&lt;?php echo $item-&gt;getName();?&gt;
  &lt;?php echo $item-&gt;getWeight();?&gt;
  </code></pre>
  
  <p>But i could'nt call the most of the attributes. i've tried also : </p>
  
  <pre><code>&lt;?php echo $this-&gt;htmlEscape($item-&gt;getData('luftkammern'));?&gt;
  &lt;?php echo $item-&gt;getAttributeText('spannung'); ?&gt;
  </code></pre>
  
  <p>Nothing works!!</p>
  
  <hr>
  
  <p>Code of attributes : </p>
  
  <pre><code>&lt;?php
  $_helper = $this-&gt;helper('catalog/output');
  $_product = $this-&gt;getProduct()
  ?&gt;
  &lt;?php if($_additional = $this-&gt;getAdditionalData()): ?&gt;
  &lt;h2&gt;&lt;?php echo $this-&gt;__('Additional Information') ?&gt;&lt;/h2&gt;
  &lt;table class="data-table" id="product-attribute-specs-table"&gt;
      &lt;col width="25%" /&gt;
      &lt;col /&gt;
      &lt;tbody&gt;
      &lt;?php foreach ($_additional as $_data): ?&gt;
          &lt;tr&gt;
              &lt;th class="label"&gt;&lt;?php echo $this-&gt;htmlEscape($this-&gt;__($_data['label'])) ?&gt;&lt;/th&gt;
              &lt;td class="data"&gt;&lt;?php echo $_helper-&gt;productAttribute($_product,$_data['value'],    $_data['code']) ?&gt;&lt;/td&gt;
          &lt;/tr&gt;
      &lt;?php endforeach; ?&gt;
      &lt;/tbody&gt;
  &lt;/table&gt;
  &lt;script type="text/javascript"&gt;decorateTable('product-attribute-specs-table')&lt;/script&gt;
  &lt;?php endif;?&gt;
  </code></pre>
  
  <hr>
  
  <ol start="2">
  <li><p>code </p>
  
  <p>echo $this->__('Additional Information');?></p>
  
  <pre><code>    &lt;table class="data-table" id="product-attribute-specs-table"&gt;
          &lt;col width="25%" /&gt;
          &lt;col /&gt;
          &lt;tbody&gt;
          &lt;?php foreach ($_additional as $_data): ?&gt;
              &lt;tr&gt;
                  &lt;th class="label"&gt;&lt;?php echo $this-&gt;htmlEscape($this-&gt;__($_data['label'])) ?&gt;&lt;/th&gt;
                  &lt;td class="data"&gt;&lt;?php echo $_helper-&gt;productAttribute($_product, $_data['value'], $_data['code']) ?&gt;&lt;/td&gt;
              &lt;/tr&gt;
          &lt;?php endforeach; ?&gt;
          &lt;/tbody&gt;
      &lt;/table&gt;
  </code></pre></li>
  </ol>
  
  <hr>
  
  <p>can anyone help please ? </p>