vertically moving movies depending on cursor position

Hi all.

Am working on a site that has 6 different coloured bars lined up from left to right.

Have a simple idea to make the different bars (Mc) move up and down depending on the location of the mouse, then spring back to the usual position when rolled over - the bars would move up and down, up as the mouse gets closer and down and the mouse gets further away/

I know this is possible, have been trawling the forums and tutorials for something.... but any advice or pointing in the right direction is appreciated!!!


Thanks in advance :-)