    Ext.define('Ext.rtl.dom.Element_static', {
        override: 'Ext.dom.Element',

        statics: {
            rtlUnitizeBox: function(box, units){
                var a = this.addUnits,
                    b = this.parseBox(box);

                // Usual order is trbl, so reverse it
                // to return tlbr
                return a(b.top, units) + ' ' +
                       a(b.left, units) + ' ' +
                       a(b.bottom, units) + ' ' +
                       a(b.right, units);
            },

            rtlParseBox: function(box){
                var box = Ext.dom.Element.parseBox(box),
                    temp;

                temp = box.left;
                box.left = box.right;
                box.right = temp;

                return box;
            }
        }
    });