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/2010-1/16623">高考数学二轮复习单元测试大汇总 </a>  下一篇：<a href="/News/2010-1/16625">高二化学综合测试汇总 </a> ';
}