Possibly changes the WorldMap based on a mouse click. May change the map zone or zoom based on the click location: e.g. if the world map shows Dragonblight and one clicks in the area labeled "Wintergrasp" on the map, the current map zone changes to show Wintergrasp.
See also Map functions.
clickX- Horizontal position of the click relative to the current world map (0 = left edge, 1 = right edge) (
clickY- Vertical position of the click relative to the current world map (0 = top, 1 = bottom) (