remapping keyboard keys

[yogisworld]

hello friends,
i play cricket 07 and i want to remap my keys like from 1)s to delete and 2)w to end 3)d to page down
which is not possible within the game.i think it can be done by using AutoHotkey but i dont know how to do it.can any one tell me the procedure\scripting fo the above keys or suggest me better ways to remap keys.

[yogisworld]

can any body atleast tell me key board remapping by doing registry changes?