[Users] Turning treepanel legend items into hyperlinks.

[Phil Scadden]

> Why so complicated? We have a LayerStore::getByLayer method already. So the createNode method could look like this:
>
> var myLoader = GeoExt.tree.LayerLoader({
>      createNode: function(attr) {
>          attr.href = attr.store.getByLayer(attr.layer).get("href");
>          GeoExt.tree.LayerLoader.prototype.createNode.call(this, attr);
>      }
>    
Thanks very much guys. This will suit my needs admirably.

-- 
Phil Scadden, Senior Scientist GNS Science Ltd 764 Cumberland St, 
Private Bag 1930, Dunedin, New Zealand Ph +64 3 4799663, fax +64 3 477 5232

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