relative mouse coordinates in a DIV - javascript
<p>I'm moving the mouse over a div  and I want to know the mouse coordinates with respect to the div origin. (upper left corner)</p>

<p>I expected the mousemove event to contain the relative (client?) coordinates of the mouse, but apparently it doesn't.</p>

<p>In firefox for instance, none of the event properties* contain relative coordinates</p>

<p>Am I missing something? </p>

<p>*clientX,Y - pageX,Y - screenX, y</p>
