Try this...
PHP Code:
$result = mysql_query("SELECT aw,awardsid,name,url FROM award");
while ($award = mysql_fetch_array($result)) {
if ($award['aw']!='')
$checked='checked';
else
$checked='';
echo "<tr>
<td>
<input type=\"checkbox\" name=\"aw[$award[awardsid]]\" value=\"$award[awardsid]\" $checked>
$award[name]
</td>
<td nowrap>
<img src=\"$award[url]\">
</td>
</tr>";
}