Plugin help

            { /* Browse menu */
                id: 'Browse',
                filebrowser: 'info:src',
                label: 'Browse',
                elements: [{
                    type: 'select',
                    id: 'select',
                    label: 'Choose video...',
               style: 'width : 100%;',
               items: links,
                }],
            onChange: function () {

            }
            },

i've created this plugin and added it to the flash dialog, it shows up fine and works but what i'm having an issue with is getting this to populate the url box on the first info tab when someone selections a option from the dropdown, any help would be great.