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Message: [QUOTE="Dr J R Stockton, post: 4965741"] In comp.lang.javascript message <c3c66281-7ec8-45e7-9f77-c8c7e9d2ba89@l1 g2000hsa.googlegroups.com>, Thu, 7 Feb 2008 07:58:16, [email]avicalc@gmail.com[/email] posted: Others seem not to have observed that the implication of your wording of (1) and (2) is that (3) is required to be applied to (2) and not _necessarily_ to (1). You can use setTimeout or setInterval, terminating when complete; but that only gives an illusion of demonstrating actual progress. Examples in <URL:[URL]http://www.merlyn.demon.co.uk/js-dates.htm[/URL]> ff., particularly in js-date0.htm#TaI and js-date2.htm#RC. To demonstrate real progress in processing the JSON data, ISTM that you should divide it into chunks which you expect to take a fraction of a second, each executed in response to a short timeout (say 10 ms). Each chunk ends by calling for a screen write indicating progress, and the timeout allows that to actually occur. It's a good idea to read the newsgroup c.l.j and its FAQ. See below. [/QUOTE]