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:武汉名校名师传授08高考备考锦囊 下一篇:“禁果效应”需谨慎 “疏导之道”是上策(梁建中) '; }