Advance Skim n number of lines - Great for reading eBooks

advance_skim_nlines.applescript

tell application "System Events"
	set current_processes to name of processes whose frontmost is true
	set current_process to item 1 of current_processes
end tell

activate application "Skim"
tell application "System Events"
	tell process "Skim"
		repeat 120 times
			keystroke (ASCII character 31)
			delay 0.02
		end repeat
	end tell
end tell

tell application current_process to activate