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/2011-7/37426">2012新课标高考总复习课堂强化训练 </a>  下一篇：<a href="/News/2011-7/37428">（免费47套）优化探究 2012高考一轮生物复习 课时知能评估 </a> ';
}