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There are JS hooks for cutting and pasting (it's how certain websites add their little source: tag when you "excerpt" from one of their articles), but the support is very spotty[1]. And nothing is going to let you detect cutting and pasting from the URL bar. [1] http://www.quirksmode.org/dom/events/cutcopypaste.html -Sean --- Sean Hannan Web Developer Sheridan Libraries Johns Hopkins University On 11/29/10 1:49 PM, "Ken Irwin" <[log in to unmask]> wrote: > Hi all, > > I have just, for the severalth time, just talked to a student who had lost a > bunch of work in a common way: he had copied-and-pasted a bunch of > database-content URLs on the fairly-reasonable (but, of course, incorrect) > assumption that those URLs would get him back to the content later. He > happened to be in LexisNexis, but it happens in lots of databases. > > Here's what I'm wondering: is there any tasteful/sane way of using JavaScript > to detect when a user clicks into the URL bar and copies/cuts the URL from a > page that will do the user no good later? It would, to my mind, be completely > civilized for the database provider to generate a little popup window alerting > the user to the error of their ways. > > User education would be great, of course, but some sort of built-in alert > would be very friendly. > > What think you all? Would JS or some similar tool be able to achieve this? > > Ken