Bug 260357 Nothing is selected for some radio buttons

p=me r+sr=neil

xpfe/global/resources/content/bindings/radio.xml

@@ -26,7 +26,7 @@
             this.setAttribute("value", val);
             var children = this._getRadioChildren();
             for (var i = 0; i < children.length; i++) {
-              if (children[i].value == val) {
+              if (String(children[i].value) == String(val)) {
                 this.selectedItem = children[i];
                 break;
               }