function stats(){window.open("pages/a_stats.htm","","width=650,height=450,menubar=no,scrollbars=yes,resizable=no","target=_blank")}
function recommend(){window.open("pages/recommend.htm","","width=650,height=200,menubar=no,scrollbars=yes,resizable=no","target=_blank")}
function office(){window.open("pages/office.htm","","width=730,height=590,menubar=no,scrollbars=no,resizable=no","target=_blank")}