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/2013-3/64523">山东省沂水一中高二地理课件 </a>  下一篇：<a href="/News/2013-3/64525">福建省泉州一中高一地理教案+反思 </a> ';
}