a problem when a container shift between hidden and visible

[marsxu]

var corePart = new Ext.Container({
    hidden:true,
    id: 'corePart',
    layout: 'form',
    items:[items1,item2]
});
var task = new Ext.util.DelayedTask(function(){
    items1.setVisible(false);
    items2.setVisible(false);
    corePart.setVisible(true);
    corePart.doLayout();
});
task.delay(1); 

They excue well in all browsers but only bad in browse with webkit engine,like Chrome and Safari, the corePart is still hidden after corePart.setVisible(true);

What's reason????

[marsxu]

is anybody can fix this problem?

[navahao]

With Firefox and IE8 is working fine.
Problem when use by chrome.

Please help

Navahao

[pmatsumura]

Have you tried using show()?

corePart.show();