[Users] Radio button for active layer and IE vs Firefox

[David Miller]

Good day folks!  The app I'm working on has a tree with selectable optional
overlays via check boxes plus an active layer radio button.  When the app
loads, I would like to specify one of the layers as active.  I found in an
earlier thread that if I put in this snippet before the end of the
Ext.onReady():

var node= tree.root.findChild('layer',wwalayer,true);
Ext.get(node.attributes.radio).set({
     'checked': true
});

then the wwalayer radio button is "checked" when the page loads in Firefox
so the user knows it is active.  But, for some reason, this does not happen
in IE8, though the layer is active.  I know because a pop window appears on
mouseover of the vector layer "Hazards"...won't do this if layer is not
active.  I'd like to have the same behavior in both browsers.  I've tried
examining the page via Developer Tools in IE8, but things don't seem to
match up when I use Firebug in Firefox, i.e. there's node.attributes.radio
in both but there's no 'checked' property displayed in the Developer Tools
window when debugging in IE8.  It's there in Firebug, though.  I've tried
looking through the list of properties but couldn't seem to find a property
I could use for both.

My test page:

http://www.mdl.nws.noaa.gov/wxmap/wxmapHourlyDay_test.php

I have thought of maybe triggering the radiochange event and seeing if that
would work.  Just didn't get there yet and was perhaps hoping someone else
may have run into this issue.

Thanks for any help and I'll report if I solved this via triggering the
event.

Dave M
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