DoLogout = function() {
var button = Ext.get('do-logout-menu');
after_logout = function() {
window.location.href = '<%= @base_path %>/panel'
}
button.on('click', function(){
Ext.Ajax.request({
url: '<%= @base_path %>/authentication/logout',
method: 'POST',
params: 'nonce=' + Ext.get("nonce").dom.value,
success: after_logout,
failure: after_logout
});
})
};