-if ($sViewBox) echo " viewbox='".htmlspecialchars($sViewBox, ENT_QUOTES)."'";
-echo " polygon='".($bShowPolygons?'true':'false')."'";
-if (sizeof($aExcludePlaceIDs))
-{
- echo " exclude_place_ids='".htmlspecialchars(join(',',$aExcludePlaceIDs))."'";
-}
-if ($sMoreURL)
-{
- echo " more_url='".htmlspecialchars($sMoreURL)."'";
+if (isset($aMoreParams['viewbox'])) echo " viewbox='".htmlspecialchars($aMoreParams['viewbox'], ENT_QUOTES)."'";
+echo " polygon='".(isset($aMoreParams['polygon'])?'true':'false')."'";
+if (isset($aMoreParams['exclude_place_ids'])) {
+ echo " exclude_place_ids='".htmlspecialchars($aMoreParams['exclude_place_ids'])."'";