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/2010-5/26001">甘肃省兰州市兰炼一中2012届高一下学期期中考试 </a>  下一篇：<a href="/News/2010-5/26003">冲刺高考：理科生必看之物理得高分技巧 </a> ';
}