[javascript] How can I let a table's body scroll but keep its head fixed in place?

This caused me huge headaches trying to implement such a grid for an application of ours. I tried all the various techniques out there but they each had problems. The closest I came was using a jQuery plugin such as Flexigrid (look on http://www.ajaxrain.com for alternatives), but this doesn't seem to support 100% wide tables which is what I needed.

What I ended up doing was rolling my own; Firefox supports scrolling tbody elements so I browser sniffed and used appropriate CSS (setting height, overflow etc... ask if you want more details) to make that scroll, and then for other browsers I used two separate tables set to use table-layout: fixed which uses a sizing algorithm that is guarenteed not to overflow the stated size (normal tables will expand when content is too wide to fit). By giving both tables identical widths I was able to get their columns to line up. I wrapped the second one in a div set to scroll and with a bit of jiggery pokery with margins etc managed to get the look and feel I wanted.

Sorry if this answer sounds a bit vague in places; I'm writing quickly as I don't have much time. Leave a comment if you want me to expand any further!

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