Use mouse with keyboard

Hey friend many of us has lots of problem with our mouse...
but now i have a solution for this problem
with the help of this trick you will be able to operate your mouse with keyboard
for it just press your left shift+left alt+num lock and than press OK

now when you was using keyboard as mouse
than just press 5 to select/click
+ for double click and - for right click
you have done........
Cheers!!!!!!!!!!