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OpenLayers 2.10 by Erik Hazzard

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Setting up Firebug

Since Firebug is an extension of Firefox, you'll need to first install Firefox. You can download it for free at http://getfirefox.com. After that, Firebug can be freely downloaded at http://getfirebug.com. When you click on the link to download Firebug, Firefox will prompt you with a message asking if you wish to install the plugin. After installing, all you have to do is restart Firefox and you'll be good to go.

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