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Added: 2a3,4
> = Plotting =
> A nice plotting library using the canvas tag and some javascript: [http://www.liquidx.net/plotkit/ PlotKit].
Sometimes you want to generate a popup that has the same size every time, however, the form can have a lot of checkboxes or other elements. To create a scrollable list of choices: put a div tag inside a table cell. Give that tag a width and height of hundred percent. Then, set the overflow property so the browser creates a scrollbar when the table cell gets completely filled.
A nice plotting library using the canvas tag and some javascript: PlotKit.