custom function in Ext.application not working after build package

[dddesign]

I need a global variable in my views and store. after searching the forum I found this solution:

Ext.application({
    name: 'PhotoMoonTool',
    ....
    getSection: function() {
        url_args = window.location.toString().split("?");
        if (url_args[1]) {
            url_args = Ext.Object.fromQueryString(url_args[1]);
            return url_args.section + '/';
        } else {
            return '';
        }
    }
    ....
});

and in views I use it as this:

       ....
       itemTpl: [
            '<img src="http://www.moontools.ch/photo-moon-tool/'+ PhotoMoonTool.app.getSection() +'images/{folder_name}/{img_name}001{name_zusatz}.jpg" >' +
       ]
       ....

this is working, check here:
http://mobile.moontools.ch/photomoontool1/
and http://mobile.moontools.ch/photomoontool1/?section=manu

but if I build a webapp ("sencha app build package" or "sencha app build production") I get some errors (getSection is not defined). see here:
http://mobile.moontools.ch/package and
http://mobile.moontools.ch/production/ (this is production)

any hint how I can solve this?
thanks a lot. j

[jay@moduscreate.com]

That's because your classes are defined before the application actually gets instantiated. You should elevate such required methods into a utils namespace. Include that before any other classes, and it will work fine. I did this for both the SenchaCon 2011 and DiscoverMusic applications.