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/2012-10/54614">高三中等生 每日一道题训练理科思维4 </a>  下一篇：<a href="/News/2012-10/54616">【10.25】天津一中2013届高三零月考试卷 </a> ';
}