panel1=new Ext.Panel({
title: 'Panel 2',
// When using absolute layouts,
// you need to specify the coordinates.
x: 50,
y: 50,
width: 200,
height:200,
html: 'Positioned at x:50, y:50'
});
panel2=new Ext.Panel({
title: 'Panel 2',
x: 200,
y: 200,
width: 300,
height: 150,
html: 'Positioned at x:100, y:100'
});

var viewport=new Ext.Viewport({
// Position items within this container using
// CSS-style absolute positioning.
layout:'absolute',
items:[panel1, panel2]
});