* Adding safety to osas script for mac os user

NPSimulation/ressources/scripts/bringtofront.osa

 tell application "Finder"
-  tell process "npsimulation"
-    set frontmost to true
-  end tell
+  if process "npsimulation" is running then
+    tell process "npsimulation"
+      set frontmost to true
+    end tell
+  end if
 end tell