External Source Page

Importing an HTML source is done with the use of the LAYER tag
in Netscape 4 and the IFRAME tag in other browsers.
The setupFrame() function is used the setup the Iframe and all layers within it.

The event handler is then set for the document of the iframe window.
This document is accessed via the iframe's page property.
If you click on the iframe,the layer inside will move to that location.

If the page is replaced with another page,the setup would need to be redone.
The setup could be called from the imported document's onLoad handler.
The code could be something like "parent.setupFrame(this)".
This would be useful since you do not know when the page has loaded.

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