var obj = document.getElementById("kkaij var ot = obj.offsetTop; document.onscroll = function () { var st = document.body.scrollTop || document.documentElement.scrollTop; obj.setAttribute("data-fixed",st >= ot?"fixed":"")}

↓↓↓ 相入非非坛备用网址

73981.com 73981a.com
73981b.com 73981c.com
www73981.com www73981a.com
www73981b.com www73981c.com
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