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:高三生倾诉:考进名校后我一考试就紧张 下一篇:心理专家支招:考前焦虑不如平淡接受 '; }