Help with mysql PHP search code please

Does anyone know why I am getting the message 'Query was empty'
I get this 'Query was empty' after inserting code line //3

<?php require_once('../Connections/connMDB.php'); ?>
<?php
// 1
$txtKeywords_rsResults = "myKeywords";
if (isset($HTTP_POST_VARS['txtKeywords'])) {
$txtKeywords_rsResults = (get_magic_quotes_gpc()) ?
$HTTP_POST_VARS['txtKeywords'] : addslashes($HTTP_POST_VARS['txtKeywords']);
}
$txtArtist_rsResults = "myArtist";
if (isset($HTTP_POST_VARS['txtArtist'])) {
$txtArtist_rsResults = (get_magic_quotes_gpc()) ?
$HTTP_POST_VARS['txtArtist'] : addslashes($HTTP_POST_VARS['txtArtist']);
}
$txtTitle_rsResults = "myTitle";
if (isset($HTTP_POST_VARS['txtTitle'])) {
$txtTitle_rsResults = (get_magic_quotes_gpc()) ?
$HTTP_POST_VARS['txtTitle'] : addslashes($HTTP_POST_VARS['txtTitle']);
}
// 2
mysql_select_db($database_connMDB, $connMDB);
$rsResults = mysql_query($query_rsResults, $connMDB) or die(mysql_error());
$row_rsResults = mysql_fetch_assoc($rsResults);
$totalRows_rsResults = mysql_num_rows($rsResults);
// 3
if ($HTTP_POST_VARS['radType']=='AND') {
$query_rsResults = sprintf("SELECT mdbTable.AlbumName, mdbTable.AlbumArtist,
mdbTable.Keywords FROM mdbTable WHERE mdbTable.AlbumName LIKE '%%%s%%' AND
mdbTable.AlbumArtist LIKE '%%%s%%' AND mdbTable.Keywords LIKE '%%%s%%'",
$txtTitle_rsResults,$txtArtist_rsResults,$txtKeywo rds_rsResults);
} else {
// 4
$fieldArray = array();
// 5
if ($txtTitle_rsResults!='') {
$fieldArray[count($fieldArray)] = sprintf("mdbTable.AlbumName LIKE
'%%%s%%'",$txtTitle_rsResults);
}
if ($txtArtist_rsResults!='') {
$fieldArray[count($fieldArray)] = sprintf("mdbTable.AlbumArtist LIKE
'%%%s%%'",$txtAuthor_rsResults);
}
if ($txtKeywords_rsResults!='') {
$fieldArray[count($fieldArray)] = sprintf("mdbTable.Keywords LIKE
'%%%s%%'",$txtKeywords_rsResults);
}
// 6
$query = implode(" OR ",$fieldArray);
if ($query=="") {
$query_rsResults = "SELECT * FROM mdbTable WHERE AlbumID=0";
} else {
// 7
$query_rsResults = "SELECT mdbTable.AlbumName, mdbTable.AlbumArtist,
mdbTable.Keywords FROM mdbTable WHERE ".$query;
}
}
// 8 - end of Serach Code

?>