window.addEvent('domready', function()
{
    $('gmt_country').addEvent('change', function()
    {
        new Ajax('world-branches.html?country='+escape(this.value), {
            method: 'get',
            update: 'gmt_cities'
        }).request();
        
    });
    
    $('gmt_country').fireEvent('change');
});