User Guide

Layout environment functions 357
Arguments
tagName
• The tagName argument must be "layer", "ilayer", "div", or "span".
Returns
Nothing.
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"
000_DW_API_Print.book Page 357 Wednesday, August 20, 2003 9:14 AM