function isMouseOut(e, handler) { |
if (e.type !== 'mouseout' ) { |
return false ; |
} |
var reltg = e.relatedTarget ? e.relatedTarget : e.type === 'mouseout' ? e.toElement : e.fromElement; |
while (reltg && reltg !== handler) { |
reltg = reltg.parentNode; |
} |
return (reltg !== handler); |
} |