adding a toolbar menue

[libertux]

Hi everybody
i try to add a toolbar menue to an existing Desctop window but nothing gone!
my code :

createDesigner : function(src){
        var desktop = this.app.getDesktop();
        var win = desktop.getWindow('bogus'+src.windowId);
		
		var menu = new Ext.menu.Menu({		       //<-------------- My code
			id: 'mainMenu',					  //<-------------- My code
			items: [					    //<-------------- My code
			{						      //<-------------- My code
                text: 'I like Ext',					    //<-------------- My code
                checked: true,    					 //<-------------- My code
                
            },								     //<-------------- My code
            {								     //<-------------- My code
                text: 'Ext for jQuery',				        //<-------------- My code
                checked: true,						//<-------------- My code
                //checkHandler: onItemCheck			 //<-------------- My code
            }	
			]
		});
		 
		 
		var tb = new Ext.Toolbar(); 				//<-------------- My code
		tb.render('toolbar'); 					    //<-------------- My code
		 tb.add({						      //<-------------- My code
            text:'Button w/ Menu',					 //<-------------- My code
            iconCls: 'bmenu',  						    //<-------------- My code
            menu: menu  						   //<-------------- My code
        });									//<-------------- My code
		 
		 
        if(!win){
            win = desktop.createWindow({
                id: 'bogus'+src.windowId,
                title:src.text,
                width:640,
                height:480,
                html : '<div id="toolbar"></div>',
                iconCls: 'bogus',
                shim:true,
                animCollapse:true,
                constrainHeader:true,
				//item : tb
				//items: //ajout des items composant
            });
        }
        
		
		
		win.show();
    },

please help

[libertux]

I change my code to

createDesigner : function(src){
        var desktop = this.app.getDesktop();
        var win = desktop.getWindow('bogus'+src.windowId);

        if(!win){
            win = desktop.createWindow({
                id: 'bogus'+src.windowId,
                title:src.text,
                width:640,
                height:480,
               // html : '<iframe id="sampleframe" name="sampleframe" width="100%" height="100%" frameborder="2" src="Modules/tt/ExtStart.html" style="border: 0px solid #cecece;"></iframe>',
                iconCls: 'bogus',
                shim:true,
                animCollapse:true,
                constrainHeader:true,
				tbar:[{
                    tooltip:{title:'File Menue', text:'This is the File Menue!'},
					text:'File'
                },'-',{
                    tooltip:'Add a new user',
                    text:'Edit'
                }]
	
            });
        }
       	win.show();
    },

an i got the toolbar naw haw can i add a menue to this tool bar?
i try

tbar:[{
                    tooltip:{title:'File Menue', text:'This is the File Menue!'},
					text:'File'
                                        menu:....
                },'-',{
                    tooltip:'Add a new user',
                    text:'Edit'
                    menu:....
                }]

but it dont work
THKS