imp macro for fire shield

a friend of mine ask me to post this but here is a macro for you destro warlocks out there. this macro will work for you with one click with out losing your target.
Its something that took me about 5 mins to make but people had trouble with. hope you enjoy it and use it alot.

#showtooltip
/target Dotsmoredots
/cast [pet:Imp] Fire Shield
/targetlasttarget

What is fire shield?

Surrounds the target in a shield of fire, increasing Fire resistance by X and making every strike against the target cause Y Fire damage to the attacker. Lasts 3 min. The caster cannot cast Fire Shield on himself.


From Dots.

#showtooltip fire shield
/cast [target=player] fire shield