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I think my question is a duplicate of but it seems better posted in GIS StackExchange.

I'm using the Polymaps JS library and have markers on a map. I've been able to add the title tool-tip to the markers by looking at examples. Instead of a title/tool-tip, I would like a 'pop up' on the map. Probably better if it's when you click the marker image rather than rollover. I would like to be able to style the box that pops up.

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