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/2013-3/63834">12-13版高中生物多媒体同步授课课件 </a>  下一篇：<a href="/News/2013-3/63836">高考领航2013苏教数学（理）总复习高效课时作业 </a> ';
}