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/2012-7/51116">高中地理旅游与区域可持续发展资料汇总 </a>  下一篇：<a href="/News/2012-7/51118">高中地理旅游资源评价与旅游规划资料汇总 </a> ';
}