That being the case, then I would not want to go to mail.app, but stay in Safari,

Here is a slightly cleaned up version.

tell application "Safari"
	set thisPage to URL of document 1
	set theSubject to name of document 1
end tell
tell application "Mail"
	set theAddress to "Friends@mac.com"
	set theBody to "Hey, I thought you would be interested in this link:
" & thisPage
	tell application "Mail"
		set newMessage to make new outgoing message with properties {subject:theSubject, content:theBody & return & return}
		set message signature of newMessage to signature "Cheers" -- Cheers being the name of an existing signature  already set up in Mail...
		tell newMessage
			set visible to false
			set sender to "yourFromMailAddress@mac.com"
			make new to recipient at end of to recipients with properties {address:theAddress}
			send
		end tell
	end tell
end tell

---
mh

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