Canceling The Page Close Event From A Confirmation Box.

Jan 31, 2006

Im writing a small app that will basically be like a wiki for family memebers to go in and make pages using my wysiwyg editor, update pages, ect..

the problem i've run into is trying to ensure they have saved the page.
I have a variable to detect whether or not unsaved changes exist. however the problem is now stopping the close event if the user clicks 'cancel' in the confirmation box.

Examples of when the 'navigation' or 'browser close' should be blocked:
1)i've made a small change on the page then clicked on a link, i should receive a conf message asking me if i want to loose changes.
2)i've made a change on the page then clicked the browser 'X' (close) button by accident. I should get the conf message here as well.
3) i've hit the refresh or reload button without saving. again i want the conf message.

Note, if they want to close, clicking OK should allow them too. furthermore, this function to block the close and produce the confirmation only will be called if there are unsaved changes on the page.

here is what i have so far - and this appears to work fine in IE. Code:

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