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/2013-3/63412">江苏省2013届高三百校大联考统一试卷 </a>  下一篇：<a href="/News/2013-3/63414">高中鲁科版化学选修3课件 </a> ';
}