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| IMPORTANT NOTE: This column is the second in a multi-column discussion of a new version of the hierarchical menu script. Until our discussion is complete, the current version of the script will still be the latest maintenance release of Version 3: 3.10.3. Read this column, and future columns, to learn how we built the menu script. Use the most recent version of the script, always available in HierMenus Central. |
In this column we continue our discussion of the Version 4 menu-creating arrays.
Recall that in our previous column, we introduced the new Version 4 structure of the menu arrays and began discussing what we call the Tree-Specific Overhead Parameters. That is, the array elements that serve as parameters affecting the look and behavior of a specific menu tree.
There are seventeen Tree-Specific Overhead Parameters. The first nine, which also existed in Version 3, were discussed in the previous column:
HM_Array1 = [ [ 0 width, | 1 left_position, | 2 top_position, | 3 font_color, | discussed 4 mouseover_font_color, | in 5 background_color, | Column 35 6 mouseover_background_color, | 7 border_color, | 8 separator_color | 9 top_is_permanent, 10 top_is_horizontal, 11 tree_is_horizontal, 12 position_under, 13 top_more_images_visible, 14 tree_more_images_visible, 15 evaluate_upon_tree_show, 16 evaluate_upon_tree_hide ] ... ]
We will now take a look at the remaining eight Tree-Specific Overhead Parameters. These are all new to Version 4, and considerably expand the power of our script.
This column contains many live in-page examples. They are accessible, naturally, only to Explorer 4+ and Navigator 4 users. The script used to generate the live examples is not the final Version 4 script. It is a subset specific-to-this-column script, unsupported and subject to changes.
However, it does demonstrate the enhanced speed and features of Version 4!
The first new-to-Version-4 parameter is top_is_permanent, which allows HM to be a permanent part of your page!
Produced by Peter Belesis and
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Created: Sept 05, 2000
Revised: Sept 05, 2000
URL: http://www.webreference.com/dhtml/column36/
