This script creates and manages a system of multilevel popup menus on a page.

Features:
- Small code -- core script compacts down to only 12kb plus menu definitions and setup/extras, so your visitors won't be kept waiting.
- Object-orientated script for portability and multiple menus if needed.
- Easy constructor functions setup the menu data structure.
- Speedy menu creation in most browsers shows your menu before the page loads.
- Freeform cross-frame support built in.
- Each menu can be horizontal or vertical.
- Optional centring/scrolling with window or any alignment needed -- menus can be easily positioned by calculating JavaScript expressions, for instance relative to page links or window dimensions.
- Otherwise, relative positioning means that you can move the root menu, and all others will follow.
- Dynamic menu update mode allows menus to be changed after loading.
- Nearly unlimited hierarchial menus (popouts) -- as many levels as needed.
- Menus don't have to overlap each other thanks to adjustable popup show and hide timeouts.
- Popouts can show on mouseover or on click, set on a per-menu basis.
- Automatically shows only one hierarchy at a time (like Windows' menus).
- Items automatically highlight through hierarchy back to root menu.
- Customisable ItemStyle classes allow you to pass each menu and/or item a uniform appearance by altering colours, text styles, dimensions, popout indicators, CSS borders etc. using a powerful class system.
- Supports hoverable background colours and images throughout hierarchy.
- Background colours may fade between over and out states.
- Supports hoverable alpha filtering for translucent items in IE/Win and NS6.
- Item content can change on hover to any HTML string.
- Arbitrary HTML can be added to menus, like example dropshadows and menu borders.
- Supports frame targets and JavaScript commands in items.
- You can click anywhere on items to activate them.
- Customisable events applied to items -- onmouseover, onmouseout and onclick, to extend the script with your own code.
- Customisable show and hide animations, for example this clipping animation.

Publisher: Angus Turnbull

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