KeyReset 20000
if %KeyCount% = 1
msg trparty
<<healername>>
Macro /target partyn
endif

if %KeyCount% = 2
msg trparty
<<healername>>
Macro /target partypetn
KeyReset
endif

this will allow you to target real players in your party(who don't have the gcp mod)
press once for party member and twice for the pet,

healername= the name of the toon you want to use to heal with...
n= the number 1,2,3 or 4 that corisponds with the party members position in your party