Hi!
can anybody help me with JS?
I need it to do:

when i move mouse over reference#1 - image#1 changes to image#2;
when i move mouse over reference#2 - image#1 changes to image#3;
when i move mouse over reference#3 - image#1 changes to image#4;
and so on...

P.S.
Image#1 and all substitutions for it should be allocated beyond references.
It's my design craze to do so.

Thank you!