var el = Roo.get(this.dom.parentNode);
- while (el && !el.isScrollable() && el.dom.nodeName.toLowerCase() != 'body'){
+ while (
+ el &&
+ (
+ !el.isScrollable() ||
+ (
+ el.isScrollable() &&
+ (
+ D.getViewHeight() - el.dom.clientHeight > 15 ||
+ D.getViewWidth() - el.dom.clientWidth > 15
+ )
+ )
+ ) &&
+ el.dom.nodeName.toLowerCase() != 'body'
+ ){
el = Roo.get(el.dom.parentNode);
}