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/2006-6/47">高考历史学习记忆法十种 </a>  下一篇：<a href="/News/2006-6/49">地理应重视“十抓” </a> ';
}