check quark script

Hi All,

I have downloaded the below script, and while running it I am getting problem


tell application "QuarkXPress"
	activate
	tell document 1
		set thisBox to object reference of current box
		display dialog "Convert the text:" buttons {"Cancel", "To XPress Tags", "From XPress Tags"}
		if button returned of result is "From XPress Tags" then
			my ConvertFromXPressTags(thisBox)
		else
			my ConvertToXPressTags(thisBox)
		end if
	end tell
end tell

on ConvertFromXPressTags(thisBox)
	tell application "Finder"
		set tempFolder to path to «class temp» as text
	end tell
	tell application "QuarkXPress"
		set import styles to true
		set convert quotes to true
		tell document 1
			set tempFilePath to tempFolder & "TempScratchFile"
			save story 1 of thisBox in tempFilePath
			set story 1 of thisBox to alias {tempFilePath}
		end tell
	end tell
end ConvertFromXPressTags

on ConvertToXPressTags(thisBox)
	tell application "Finder"
		set tempFolder to path to «class temp» as text
	end tell
	tell application "QuarkXPress"
		set import styles to false
		set convert quotes to false
		tell document 1
			set tempFilePath to tempFolder & "TempScratchFile"
			--make sure to put "as "TEXT" here
			save story 1 of thisBox in tempFilePath as "TEXT"
			set story 1 of thisBox to alias {tempFilePath}
		end tell
	end tell
end ConvertToXPressTags


--I am getting problem at the below line
		set tempFolder to path to «class temp» as text

Error is:

Can any one help me on it.

Regrads,
Pooja