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/2009-7/13383">2010届高考数学总复习（必修一）全套课件 </a>  下一篇：<a href="/News/2009-7/13385">历史教师教法提高：叶小兵培训笔记 </a> ';
}