PHP Code:
<?php
$result = mysql_query ("SELECT * FROM $clover_shop_categories WHERE cs_category_title IS NOT NULL ORDER BY cs_category_listing_position asc");
if (mysql_num_rows ($result)) {
echo "<SELECT name=\"import_category\">\n";
echo "<OPTION value=\"\">- choose category -</OPTION>\n";
echo "<OPTION value=\"\"></OPTION>\n";
while ($s = mysql_fetch_array ($result)) {
$selected = ($s['cs_category_id'] == $_POST['import_category']) ? "selected=\"selected\"" : "";
echo "<OPTION value=\"$s['cs_category_id']\"$selected>";
for ($i = 2; $i <= $s['cs_category_level']; $i++) echo " ";
echo "$s[cs_category_title]</OPTION>\n";
}
echo "</SELECT>\n";
}
?>
Like this? 
Result is a blank screen.