// ie scrollbar fix
if(this.el.dom == document.body && Roo.isIE && !config.allowScroll){
document.body.scroll = "no";
}else if(this.el.dom != document.body && this.el.getStyle('position') == 'static'){
// ie scrollbar fix
if(this.el.dom == document.body && Roo.isIE && !config.allowScroll){
document.body.scroll = "no";
}else if(this.el.dom != document.body && this.el.getStyle('position') == 'static'){