while ($row = mysql_fetch_array($getcourse_res)) {
        echo "<option>{$row['r_subjid']}</option>";
    }
    echo "</select> ";
    ?>
<input type='submit' value='Statistics' name ='btnstat1' class='style6' 
	align='center' onclick='return emptyId()'/> </p>	
</td>
    </tr>
    </table>
</form>
<?php 
    echo "\n</td>\n  </tr>\n</table> ";
    if (isset($_POST['btncheck1'])) {
        $res = new Examination();
        $res->checkResultByStudent();
    } elseif (isset($_POST['btnstat1'])) {
        $res = new Examination();
        $res->checkResultStatistics();
    }
} else {
    if (isset($_SESSION['users']['lectName'])) {
        ?>
<br />
	<p>In this page you can see examination results of students
	  of the relevant subjects and some statistics.</p>
	  
	  Click on check results to see the results and to get statistics click on statistics button.
	  
<form method="post" name="frmresult" action="<?php 
        $_SERVER['PHP_SELF'];