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/2015-8/112994">高考数学答题技巧全攻略 </a>  下一篇：<a href="/News/2015-8/112996">帮助高三生迅速进入复习状态的七个技巧 </a> ';
}