> I tried to copy
> <http://www.starfall.com/n/level-a/learn-to-read/load>
> .htm?f from the level www.starfall.com.

And had you looked at your log file you would have seen a message about
robots.txt.
And had you looked at <http://www.starfall.com/robots.txt> you would have seen
why.
Override robots.txt