function chkdiv(divid){ var chkid=document.getElementById(divid); if(chkid != null){return true; } else {return false; } } if (chkdiv('fy')){ document.getElementById('fy').innerHTML='上一篇:暑假造梦:高考英语复习各个击破 下一篇:高三老师对早恋是怎样解读的? '; }