The Information Overlaid Toolkit: ; Referance Manual Edition 2.2, for Information Overlaid Version 2.3; 25th October 2002
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The Marker JavaScript Object

JavaScript sees a marker as an object with the following interasting properties:

Table 7-2. Marker Object Fields

field	description	notes
`mk.cx`, `mk.cy`	The position of the marker in real-world coordinates.	If the marker could have been moved by the user you should call `markers_position_update` before using the position since, for efficiancy reasons, the position seen by JavaScript is not updated for ever move of the marker on the screen.
`mk.name`, `mk.klass`	Marker name.	Read only.
`mk.label`	The label displayed with the marker	Read only. Set with `markers_set_label`.
`mk.priority`	The priority of the marker	Read only. Set with `markers_set_priority`.