easier way to exit field?

[VICH]

there is a peice of my database that uses the troi activator plug in, and it works pretty well and i get the end result i want.

all though the end result is correct i wouldn't mind the begining be a bit smoother. right now my script triggers "when the field is exited" and that is only part true, if i leave the feild and go to another, i.e. tab control is set to jump to the next feild once a selection from a drop down is made, or i just click the next feild the script won't trigger, but instead i have to click out side of the feilds or hit return, is there any smoother way that as soon as the feild is left, not when the record is committed that i can trigger the script?