A mouseout is an event that occurs on an element when the user removes the cursor from that element
A mouseover is an event that occurs on an element when the user moves the cursor over that element
"Note without the mouseout it works better but tooltip stays until next mouseover"
from question "Interpolating in Google chart"
|Animation 200ms longer||
"The mouseover animation is 200ms longer than the mouseout so if you mouseover and mouseout in less than 200ms total the animations run in parallel and the mouseover one finishes last leaving the color red"
from question "Raphaeljs animate onmouseout issue"