Applescript: Problem Using Load Script File. Please Help :-!

Question

My setup: file 1 is a script object and file 2 is the script that uses the script object in file 1. This seems straightforward, but I'm getting runtime errors when tryig to use the script object, whether looking at its properties or calling its handlers. The whole thing just doesn't work. What am I doing wrong?
Question 1: Is the 'load script' statement correct in file 2? It took forever and looking at many examples to not get an error in that statement. I don't understand why the path string is 'as alias'.
Question 2:  When loading a script and specifying its path, is there a way to start with the current path (of the executing script file). All the scripts are stored together, but so far, I've only seen commands for absolute paths or user or desktop, etc. how can I get the path of the currently running script?
Question 3: Is the cURL syntax ok? I can't even get the script to run to that line, so I don't know if it will even execute.
Thanks a million, in advance.
Cheers,
Mark
File 1: this is the script library file
script AR_Redeye
  -- IR Command URLs
          property outside_lights_ON : "http://..."
          property outside_lights_OFF : "http://..."
          on do_command(command_url)
          -- execute the url using cURL
                    set command_status to (do shell script "/usr/bin/curl -s -S  " & command_url) as string
          -- the url (when opened in a web browser) displays 'success' or 'fail'
                    return command_status
          end do_command
end script
File 2: The script that calls the handlers in the library file
set arRedeye to load script (("Macintosh HD:Users:...:AR Redeye Class.scptd") as alias)
tell arRedeye to do_command("http://...")

Answer 1

If I may indulge you again, I've cleaned up the scripts according to your advice and made progress, but I am still receiving the following errors:
Applescript Error:
«script» doesn’t understand the do_command message.  (see below for where it occurs)
I also get an error for referencing a property of the script object.
Might you provide some insight as to why this is occurring?
Still a little confused.
Thanks,
Mark
=================================
-- File AR_Redeye.scptd
-- IR Command URLs
property outside_lights_ON : "http://redeye..."
property outside_lights_OFF : "http://redeye..."
property all_AV_OFF : "http://redeye..."
property airplay_all_rooms : "http://redeye..."
on do_command(command_url)
  -- execute the url using cURL
          set command_status to (do shell script "/usr/bin/curl -s -S  " & (command_url as string)) as string
          return command_status
end do_command
-- End file
==================================
-- Main Script File
tell application "Finder" to set appPath to container of (path to me)
set scriptPath to POSIX path of (appPath as text) & "AR Redeye Class.scptd"
set arRedeye to (load script scriptPath)
tell arRedeye to do_command(outside_lights_ON of arRedeye)
-- the above line returns an error: «script» doesn’t understand the do_command message.
-- also returns an error related to using the property outside_lights_ON of the arRedeye script object.
-- Main Script File End