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/2010-3/19019">政治必修4同步推荐 </a>  下一篇：<a href="/News/2010-3/19021">十年高考数学分类解析汇总 </a> ';
}