When:
Mouse Rollover: Specifies that the effect occurs when the mouse is moved over the text or object.
Page Load: Specifies that the effect occurs when the topic is loaded into the HTML Help viewer.
Page Click: Specifies that Fly In occurs after the topic is loaded, when the user clicks the mouse anywhere inside the viewer. The number field at the bottom of the dialog assigns a priority to the effect, in relation to other Dynamic HTML elements in the topic. One is the highest number, or the first action that occurs in the topic. If all Dynamic HTML elements use the same number, they all occur at the same time. Otherwise, they occur based on their sequence number, starting with one.
Trigger Activation: Specifies that the effect occurs when the topic is loaded into the HTML Help viewer and the user clicks the trigger.
What: Specifies the effect you want to use.
Settings: Properties and values vary, depending on the effect that you choose. Some of the DHTML properties and values include:
Color: Specifies the color. Custom colors are available here.
Direction: Indicates the direction from which the effect will move onto the topic page.
Frequency: Indicates how often the effect will occur.
Horizontal Offset: Defines how far right (in pixels) the effect is positioned in relationship to the topic text or object. Negative values are allowed. The Horizontal Offset value positions the effect to the right of the text or object.
Speed: Defines how fast an effect works.
Strength: Uses a number to designate the intensity of the effect.
Type: When there are effect variations available, designates the specific variation you want to implement.
Vertical Offset: Defines how far down (in pixels) the effect is positioned in relationship to the topic text or object. Negative values are allowed. The Vertical Offset value positions the effect below the text or object.