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Hiermenus Go Forth, VI:
Version 4 - The Page-Specific Parameters (cont'd)

HM_PG_ChildOffset

Description

Sets the vertical distance for positioning a child menu over its parent menu, measured from the top of the parent item. All menu trees in the page are affected.

HM_PG_ChildOffset overrides site-wide global settings declared in the external script.

Value

Pixels.
May be specified as:

• integer
• string
• string JS expression to be evaluated

Example Values

integer: 10

All child menus will be positioned 10 pixels lower than their parent item.

string: "5"

All child menus will be positioned 5 pixels lower than their parent item.

JS expression: "getChildOffset()"

A custom function that you have created will be called. The return value of this function will be the HM_PG_ChildOffset parameter, and all menus in the page will comply.

JS expression: "(IE4) ? ((document.body.clientHeight>600) ? 20 : 10) : ((window.innerHeight>600) ? 20 : 10)"

The complete JS code is included in the parameter declaration. In the above example, HM_PG_ChildOffset will be 20 if the browser window is more than 600 pixels high, and 10 if it is not.

Default

If this parameter is omitted, the relevant Global Parameter value set in the external script is used.

Differences from Version 3 equivalent

The childOffset parameter in Version 3:

• accepted only integer values.
• was mandatory.

Comments

If you do not want your child menus to be positioned lower than the parent item, give HM_PG_ChildOffset a value of 0.

To position your child menus higher than the parent item, give HM_PG_ChildOffset a negative value (ex: HM_PG_ChildOffset = -10.)

Next, HM_PG_TopSecondsVisible.

Produced by Peter Belesis and

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Created: Dec 12, 2000
Revised: Dec 12, 2000

URL: http://www.webreference.com/dhtml/column42/7.html