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/2011-7/37891">内蒙古赤峰二中10-11学年高一下学期期末考试 </a>  下一篇：<a href="/News/2011-7/37893">2012高三一轮（大纲版）化学课件试题汇总 </a> ';
}