Whats wrong with these macros?

[Convertabull]

#showtooltip Healing Surge
/cast [nomod,@mouseover,help][nomod,help]Healing Surge
/castsequence [mod:shift,@mouseover,help][mod:shift,help] !Unleash Elements, Healing Surge
/equipset HEAL

#showtooltip Greater Healing Wave
/cast [nomod,@mouseover,help][nomod,help]Greater Healing Wave
/castsequence [mod:shift,@mouseover,help][mod:shift,help] !Unleash Elements, Greater Healing Wave
/equipset HEAL

They cause a delay when I hit them, sometimes it switches my equip set sometimes not, othertimes they wont work unless unleash elements are off CD even if I am not modifying w/shift

---------- Post added 2011-05-12 at 03:55 PM ----------

Also is it possible to make it so if I dont mouseover something it auto targets me - Also I want it to just cast heal if I modify it with shift and Unleash Elements are on CD.

[Deleted]

Can't check for CD.

#showtooltip
/castsequence [mod:shift,@mouseover,help,nodead][@player]!Unleash Elements, Greater Healing Wave; [@mouseover, help, nodead][@player]Greater Healing Wave
/equipset HEAL

You can't change your equipment while casting a spell.
Changing your equipment while in combat will trigger a GCD.
The only feasible method of switching equipment in combat is right after an instant cast spell.