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：<a href="/News/2009-2/10353">高三化学实验基础复习精粹 </a>  下一篇：<a href="/News/2009-2/10355">河北省冀州中学08-09学年度高一上学期期末考试A </a> ';
}