An example how to use the ExtJs classes Ext.Ajax and Ext.util.JSON to load json encoded data into a javascript object from a remote source.

I never tried it before: It's possible to override the javascript built-in functions alert() and confirm(). I think this can be a useful feature in some cases. For instance you can write a function to display all alerts in the Firebug console with this code:It's possible to override the javascript built-in functions alert() and confirm(). I think this can be a useful feature in some cases. For instance you can write a function to display all alerts in the Firebug console with this code: