Intervene/Charge with warbringer?

[Optimoos]

I'd like to add Charge to my intervene macro now that I've got warbringer and can charge whenever I bloody well please. My macro just isn't working though, any help?

/cast [help] Intervene; [modifier:alt,target=mouseover,noharm] Intervene; [target=targettarget,noharm] Intervene; Charge

[tobarstep]

Not sure, but you don't have to intervene friendlies. You can intervene hostiles and it will automatically select that hostile's friendly target. So if you are looking to Charge unless holding alt, you could probably just do something like this

/cast [modifier:alt] Intervene
/cast [nomodifier:alt] Charge

I stopped using mouseover macros because I would forget where my pointer was and always end up doing something stupid, so I can't help you on the mouseover portion of it.