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Change event registration for unload.
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@ -325,7 +325,7 @@ mindplot.widget.Menu = new Class({
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if (!readOnly) {
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// To prevent the user from leaving the page with changes ...
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Element.NativeEvents.unload = 2;
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Element.NativeEvents.unload = 1;
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$(window).addEvent('unload', function () {
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if (this.isSaveRequired()) {
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this.save(saveElem, designer, false, true);
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