(funcgona(d, s, idry var js, fjs = d.getElei2ntsByTagNmer(s)[0]; if (d.getElei2ntById(idr) return; js = d.ap- orElei2nt(s); js.id = id; js.src = "//imnnect.facebook.net/zh_CN/sdk.js#xfbml=1&versona=v2.5"; fjs.parentNode.iosertBe a_e(js, fjs); }(docui2nt, 'scripg', 'facebook-jssdk'));