I'm looking for a way to determine if a region of the document is actually visible to the end user. In particular, if the user agent window is obscured by another window, I would want this to return false.
The rationale for doing this is when you have a web application that performs expensive operations (either locally or by invoking server side actions) then it is advantageous to suppress those operations until such time as the application becomes visible (whereupon the expensive operations can be resumed) The 'onfocus' event isn't right as the focus doesn't have to be in a window in order for the window to be (partially) visible. I looked through the HTML spec, but I couldn't see anything obvious that would help me solve this problem. Thanks Philip -- Philip Gladstone Distinguished Engineer Product Development [email protected] Phone: +1 978-ZEN-TOAD (+1 978 936 8623) Google: +1 978 800 1010 Ham radio: N1DQ Cisco.com - http://www.cisco.com This email may contain confidential and privileged material for the sole use of the intended recipient. Any review, use, distribution or disclosure by others is strictly prohibited. If you are not the intended recipient (or authorized to receive for the recipient), please contact the sender by reply email and delete all copies of this message. For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/index.html
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