attempt fix self tab

canvas.js

@@ -11,7 +11,7 @@ function openWindow(c) {
     ((navigator.platform.indexOf("iPhone") != -1) || 
      (navigator.platform.indexOf("iPad") != -1) || 
      (navigator.platform.indexOf("iPod") != -1))
-    window.open(`maps://http://www.google.com/maps/place/${c}`); else /* else use Google */
+    window.open(`maps://http://www.google.com/maps/place/${c}`, "_self"); else /* else use Google */
     window.open(`http://www.google.com/maps/place/${c}`, "_self");
     }