$next = $id + 1;
$previous= $id - 1;
if ( mysql_num_rows( mysql_query("SELECT * FROM `amulets` WHERE `id` = '$previous'") ) != 0 ) {
echo "| « Previous | ";
}
else {
echo " | ";
}
echo "» Back « | ";
if ( mysql_num_rows( mysql_query("SELECT * FROM `amulets` WHERE `id` = '$next'") ) != 0 ) {
echo "Next » | ";
}
else {
echo " | ";
}