Ext.form.Radio=Ext.extend(Ext.form.Checkbox,{inputType:"radio",baseCls:"x-form-radio",getGroupValue:function(){var a=this.getParent().child("input[name="+this.el.dom.name+"]:checked",true);return a?a.value:null},getParent:function(){return this.el.up("form")||Ext.getBody()},toggleValue:function(){if(!this.checked){var a=this.getParent().select("input[name="+this.el.dom.name+"]");a.each(function(b){if(b.dom.id==this.id){this.setValue(true)}else{Ext.getCmp(b.dom.id).setValue(false)}},this)}},setValue:function(a){if(typeof a=="boolean"){Ext.form.Radio.superclass.setValue.call(this,a)}else{var b=this.getParent().child("input[name="+this.el.dom.name+"][value="+a+"]",true);if(b&&!b.checked){Ext.getCmp(b.id).toggleValue()}}},markInvalid:Ext.emptyFn,clearInvalid:Ext.emptyFn});Ext.reg("radio",Ext.form.Radio);