Cylo tricks A mixed bag of scripts you may find usefull. They are things I have not found avaliable on the net, so have written myself.

Bordering tables
This code overlays divs over the borders of a table. You can then build on this to make the cells draggable.

some content	some content	some content
some content	some content	some content
some content	some content	some content
some content	some content	some content

addBorderOverLays addCrossSections

Did you know?
You can copy and paste from JavaScript alert box's
Try it