Specifications

511
Layout environment functions
Layout environment functions handle operations that are related to the settings for working on a
document. They affect the source, position, and opacity of the tracing image; get and set the ruler
origin and units; turn the grid on and off and change its settings; and start or stop playing plug-
ins.
dom.getRulerOrigin()
Availability
Dreamweaver 3
Description
Gets the origin of the ruler.
Arguments
None.
Returns
An array of two integers. The first array item is the x coordinate of the origin, and the second
array item is the y coordinate of the origin. Both values are in pixels.
dom.getRulerUnits()
Availability
Dreamweaver 3
Description
Gets the current ruler units.
Arguments
None.
Returns
A string that contains one of the following values:
• "in"
• "cm"
• "px"
dom.getTracingImageOpacity()
Availability
Dreamweaver 3
Description
Gets the opacity setting for the document’s tracing image.
Arguments
None.
Returns
A value between 0 and 100, or nothing if no opacity is set.