Get relative coords of clicked image

[Andrew Poulos]

I have a image in a scrollable DIV. The image is bigger than the display
size of the DIV. How do I get the coordinates of a mouse click on the
image relative to the top left corner of the image itself?

Andrew Poulos

[Thomas 'PointedEars' Lahn]

Andrew Poulos wrote:

I have a image in a scrollable DIV. The image is bigger than the display
size of the DIV. How do I get the coordinates of a mouse click on the
image relative to the top left corner of the image itself?

Handle the `click' event of the `img' element and subtract the image's
coordinates that are relative to the viewport's top left corner from the
pointer coordinates that are relative to the viewport's top left corner.
PointedEars
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var bugRiddenCrashPronePieceOfJunk = (
navigator.userAgent.indexOf('MSIE 5') != -1
&& navigator.userAgent.indexOf('Mac') != -1
) // Plone, register_function.js:16