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/2010-3/20982">ks5u高考语文复习跟踪测试：病句考析 </a>  下一篇：<a href="/News/2010-3/20984">物理：向心力课件 </a> ';
}