The Event Object
Internet Explorer
Netscape
altKey
data
button
layerX
cancelBubble
layerY
clientX
modifiers
clientY
pageX
ctrlKey
pageY
fromElement
screenX
keyCode
screenY
offsetX
target
offsetY
type
reason
which
returnValue
screenX
screenY
shiftKey
srcElement
srcFilter
toElement
x
y