function toQzoneLogin() { window.location.href = '/api/qzlogin.aspx?R=' + Math.random(); } function toSinaLogin() { window.location.href = '/api/sinalogin.aspx?R=' + Math.random(); } function toBaiDuLogin() { window.location.href = '/api/baidulogin.aspx?R=' + Math.random(); } function toRenRenLogin() { window.location.href = '/api/renrenlogin.aspx?R=' + Math.random(); }