function db_getCount($sTable, $sWhere = "") {
	global $dbLink;
	$query  = "SELECT Count(*) as nCount FROM ".$sTable;
	if($sWhere!="") $query .= " WHERE ".$sWhere;
	$result = mysql_query($query, $dbLink);
	$line   = mysql_fetch_array($result, MYSQL_ASSOC);
	$nCount = $line["nCount"];
	mysql_free_result($result);
	return $nCount;
}