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/2012-10/54578">2012高考生物复习：复习计划指导2 </a>  下一篇：<a href="/News/2012-10/54580">2012高考生物60个易错易混淆考点盘点1 </a> ';
}