How to make applescript run hidden

Scripting Forums AppleScript | Mac OS X
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#1

How do i make a applescript run hidden and start up on startup. Thanks

tell application "Finder"
	activate
	say "Hello. Welcome to Luke's iBook"
end tell

and also set the computer volume to highest

#2

Create an AppleScript file,

set volume output volume 100

save it as an application,
drop it on Drop Script Backgrounder (http://www.versiontracker.com/dyn/moreinfo/macosx/14932),
and add it to your Login Items list.