Assertions:
Internet Explorer: If the FRAMESPACING attribute is given a
value of zero, it effectively sets the NORESIZE attribute of the sub-frames as well.
It almost seems as if IE frames need a positive FRAMESPACING value for the user
to "grab on to" or move.
Frameset definition: 2 columns, frameset has no FRAMESPACING attribute
Frameset definition: 2 columns, frameset has FRAMESPACING=0
Frameset definition: 2 columns, frameset has FRAMESPACING=5