MACROMEDIA DREAMWEAVER 8-DREAMWEAVER API Reference page 475

Arguments
location
The argument is a string that represents the location in the document to test,
location
with both the value and units as one string, with no space between the value and units.
The possible units are
pixels,
location = "10px"
Returns
A Boolean value:
true
Example
The following example deletes all guides in the document if the document has a horizontal
guide at the specified location:
var currentDOM = dw.getDocumentDOM();
if (currentDOM.hasHorizontalGuide("10px") == true) {
currentDOM.clearGuides();
}
dom.hasVerticalGuide()
Availability
Dreamweaver 8.
Description
This function determines whether the document has a vertical guide at the current location.
Arguments
location
The argument is a string that represents the location in the document to test,
location
with both the value and units as one string, with no space between the value and units.
The possible units are
pixels,
location = "10px"
Returns
A Boolean value:
true
for pixels and
"px"
; to specify 50 percent,
if there is a horizontal guide at the location;
for pixels and
"px"
; to specify 50 percent,
if there is a vertical guide at the location;
for percentage. For example, to specify 10
"%"
location = "50%"
for percentage. For example, to specify 10
"%"
location = "50%"
false
Guide functions and properties
.
otherwise.
false
.
otherwise.
475