Roo.bootstrap.Body = function(config){
Roo.bootstrap.Body.superclass.constructor.call(this, config);
- this.el = Roo.get(document.body);
+ this.el = Roo.get(config.el ? config.el : document.body );
if (this.cls && this.cls.length) {
Roo.get(document.body).addClass(this.cls);
}