Roo.BorderLayout.superclass.constructor.call(this, container, config);
this.factory = config.factory || Roo.BorderLayout.RegionFactory;
for(var i = 0, len = this.factory.validRegions.length; i < len; i++) {
Roo.BorderLayout.superclass.constructor.call(this, container, config);
this.factory = config.factory || Roo.BorderLayout.RegionFactory;
for(var i = 0, len = this.factory.validRegions.length; i < len; i++) {