last update

This is a rough estimate. You aren't clear whether "other sites" are in the same or a different domain. If the same then a client script can be used, otherwise a server side script will be needed. Javascript can be used, but a PHP or Perl script would be a simpler choice

This is an initial estimate only. I'm assuming you want to spider other sites and based on the file information assume that the site has been changed on a particular date. Unless I'm misunderstanding you , you will need a server side script to accomplish this, Javascript will work, but it will be very slow.

The script will be automatically showed the date when the site is last updated. bluei_online@yahoo.com. I'll look forward to hearing from you if you are interested in. :-)

This is relatively simple, there are even inexpensive software packages that will allow you to accomplish this.

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