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<?php
 session_start ();
 
 ?>
 <form id="form_bbs" method="POST" action="./">
 <h3>Validate:</h3>
 <table id="tbl_form_bbs">
 <tr>
 <td>
 <!--
 The use of the Math.random() method is necessary if you wish the onclick requst
 to be working under mozilla.
 -->
 <img src="server.php"
 onclick="javasript:this.src='server.php?'+Math.random();"
 alt="CAPTCHA image">
 </td>
 <td><input maxlength="4" size="4" name="captcha" type="text" /></td>
 </tr>
 </table>
 <input type="reset" /> <input type="submit" />
 <input type="hidden" name="validate" value="1" />
 </form>
 
 <?php
 
 if ( ! $_POST['validate']) {
 die;
 }
 
 require_once ( './class.captcha_x.php');
 
 $captcha = &new captcha_x ();
 if ( ! $captcha->validate ( $_POST['captcha'])) {
 echo '<p>You\'re bot.</p>';
 } else {
 echo '<p>You\'re human.</p>';
 }
 
 ?>
 
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