John Barclay

Programming

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Web navigation systems often implement CSS and Javascript to balance two or three tiered menus with design requirements such as accessibility, ease of editing, avoiding server side code and page refreshes, and browser compatibility. The above menu is based on PureDOM explorer (http://www.onlinetools.org/tools/puredom/) and was modified to use cookies to maintain open and closed nodes when the user navigates away from the page.

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