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<?phpdefine('IN_CB', true);
 include('include/header.php');
 
 $default_value['checksum'] = '';
 $checksum = isset($_POST['checksum']) ? $_POST['checksum'] : $default_value['checksum'];
 registerImageKey('checksum', $checksum);
 registerImageKey('code', 'BCGi25');
 
 $characters = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
 ?>
 
 <ul id="specificOptions">
 <li class="option">
 <div class="title">
 <label for="checksum">Checksum</label>
 </div>
 <div class="value">
 <?php echo getCheckboxHtml('checksum', $checksum, array('value' => 1)); ?>
 </div>
 </li>
 </ul>
 
 <div id="validCharacters">
 <h3>Valid Characters</h3>
 <?php foreach ($characters as $character) { echo getButton($character); } ?>
 </div>
 
 <div id="explanation">
 <h3>Explanation</h3>
 <ul>
 <li>Interleaved 2 of 5 is based on Standard 2 of 5 symbology.</li>
 <li>There is an optional checksum.</li>
 </ul>
 </div>
 
 <?php
 include('include/footer.php');
 ?>
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