Switching between Terminal and Finder

Terminal-Finder-Switcher

set a to item 1 of getFrontApp()
if a contains "Finder" then
	tell application "Finder"
		set the_folder to (folder of the front window) as text
		set the_folder to POSIX path of the_folder
		set the_folder to (do shell script "echo " & the_folder & " | sed 's/ /\\\\ /g'")
	end tell
	tell application "Terminal"
		do script "cd " & the_folder & ";clear;pwd"
		activate
	end tell
else if a contains "Terminal" then
	tell application "Terminal"
		do script "open ." in window 1
	end tell
end if
-- -----------------------
on getFrontApp()
	tell application "System Events" to set frontwin to name of every process whose frontmost is true and visible ≠ false
	return frontwin
end getFrontApp
-- -----------------------
on getCurrentFolder()
	tell application "Finder"
		set theFolder to (path to desktop folder as alias)
		repeat with i from 0 to (count of windows)
			try
				get folder of window i
				set theFolder to result
				exit repeat
			end try
		end repeat
		return theFolder as alias
	end tell
end getCurrentFolder