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:2014届高考数学(文)三轮专题复习考前体系通关训练 下一篇:2014届高考语文(人教鲁京津)配套文档:语言基础知识 '; }