Here is a script I wrote to automatically bump my post on a website every 30 minutes:
tell application "Safari"
activate
open location "http://www.tf2outpost.com/trade/6252612/bump"
delay (5)
tell application "Safari" to do JavaScript "window.close()" in front document
end tell
repeat
do shell script "sleep 1800"
tell application "Safari"
activate
open location "http://www.tf2outpost.com/trade/6252612/bump"
delay (5)
tell application "Safari" to do JavaScript "window.close()" in front document
end tell
end repeat
Here is a little script that should be saved as a stay open application for refreshing a page every 5 minutes (when you are waiting for posts). You should quit it when you are posting.
on idle
try
tell application "Safari"
tell its document 1 to set a to its URL
open location a
end tell
return 300
on error
tell me to quit
end try
end idle
on quit
continue quit
end quit