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/2010-3/20890">高考物理真题分专题解析 </a>  下一篇：<a href="/News/2010-3/20892">山东省烟台二中2010届高三3月月考 </a> ';
}