Ext.onReady(function() {
    Ext.override(Ext.form.Radio, {
        autoWidth : function(){
            var el = this.el, ul = this.ul;
            if(!el){
                return;
            }
            var w = this.width;
            if(w){
                el.setWidth(w);
            }else if(Ext.isIE && !Ext.isIE8){
                el.setWidth(this.minWidth);
                var t = el.dom.offsetWidth; // force recalc
                el.setWidth(ul.getWidth()+el.getFrameWidth("lr"));
            }
        }
    });
    Ext.override(Ext.form.Checkbox, {
        autoWidth : function(){
            var el = this.el, ul = this.ul;
            if(!el){
                return;
            }
            var w = this.width;
            if(w){
                el.setWidth(w);
            }else if(Ext.isIE && !Ext.isIE8){
                el.setWidth(this.minWidth);
                var t = el.dom.offsetWidth; // force recalc
                el.setWidth(ul.getWidth()+el.getFrameWidth("lr"));
            }
        }
    });
});