| onSetup | yes/no | Call easel_on_setup when applet and images
are loaded and stable. | |
| onImageStart | yes/no | Call easel_on_image_start when image
starts loading. | |
| onImageEnd | yes/no | Call easel_on_image_end when an image had
finished loading. | |
| onClick | yes/no | Call easel_on_click when the user clicks
on the applet window. | |
| onDoubleClick | yes/no | Call easel_on_double_click when the user
double clicks on the applet window. | |
| onKeyClick | yes/no | Call easel_on_key_click when the user
types a key in the applet window. | |
| onMarkerDrag | yes/no | Call easel_on_marker_drag when the user has
moved a marker. | |
| onHighlight | yes/no | Call easel_on_highlight when a hotspot
highlights. | |
| onDrag | yes/no | Call easel_on_area_drag when the user
drags a rectangle with their mouse. | |
