due to the nature of what I am doing, my keys will get stuck, unavoidable, I just need a reliable _clearKeys() 
 
My observation so far: 
send(key up) works ALL the time for normal keys, ie. asdf's 
 
same can't be said for ctrl alt and shift 
in a simple ctrl click: 
 
send("{ctrldown}") 
for $ i = 0 to 4 
mouseclick("left", 11, 11) 
next 
send("{ctrlup}") 
 
in my particular instance, send("{lctrl down}"),  send("{lctrldown}"),  send("{ctrl up}"), send("{lctrl up}"), send("{lctrlup}") do not w