window doesn't want to close

[intro]

Hi i am having a problem with closable window.
I put closeAction: 'hide' and autoDestroy: false, and when i reopen window it want to close...


i think it is the way i load window, mebe someone have bettere idea?


Here is ma code thanks in advanvce

     , 'Adminshow' : function(){
        
         var AdminSHW = new Admin({
                renderTo: Ext.getBody()
            });
         AdminSHW.show();
       
       
   }

  title: 'Administracija Korisnika',
    width: 1050,
    height: 471,
    autoScroll: true,
    layout: 'fit',
    hideCollapseTool: true,
    shadowOffset: 5,
    itemId: 'Admin',
    closeAction: 'hide',
    autoDestroy: false,
    stateful: true,
    preventBodyReset: true,
    id: 'Admin',

[intro]

I found out i put definition of window in root, and i just show the table on click...
thanks