Adobe RoboHelp - Adding DHTML Effects
Add DHTML Effects to a Topic
Select an element in the Design Editor and from the DHTML section of the Insert tab, click on the Effects dropdown menu and select Effects.
Select event for initiating the effect from the When list and from the ‘What’ list, select the effect you want to apply. Adjust the relevant properties in the Settings section. DHTML effects are indicated with light grey hash marks.
Remove DHTML effects
With the topic open in the Design Editor, go the DHTML section of the Insert tab, click on the Effects dropdown menu and select Remove Effects.
The light grey hash marks are no longer associated with the text or paragraph.