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/2010-12/31072">内蒙古包头三十三中10-11学年高二上学期期中考试Ⅰ </a>  下一篇：<a href="/News/2010-12/31074">数学：学数学就像吃“牛轧花生糖” </a> ';
}