function g(str){ return document.getElementById(str);}   
function gg(str){ return document.getElementsByTagName(str);}   
 function changeMenu(thisObj,num){   
 var tabObj=thisObj.parentNode.getAttribute("id"); 
var obj_dt=g(tabObj).getElementsByTagName("dt");

var div_dt=thisObj.getElementsByTagName("div")[0];

for(var i=0;i<obj_dt.length;i++){   
if(i==num){
  if(g("dd"+(i+1)).className=="" || g("dd"+(i+1)).className=="block")
  {g("dd"+(i+1)).className="none"; 
   thisObj.className=""; 
   if(g("cj_img"+(i+1)))
  g("cj_img"+(i+1)).className="block"; }
  else
  {g("dd"+(i+1)).className="block"; 
 
   thisObj.className="current"; 
//  if(g("cj_img"+(i+1)))
 // g("cj_img"+(i+1)).className="none";
 }
   }   
  else{
  //if(g("dd"+(i+1)))
 // g("dd"+(i+1)).className="none"; 
 // if(g("cj_img"+(i+1)))
 // g("cj_img"+(i+1)).className="block";
}   
 }   
 }   
 
function tabswitch(active, number, tab_prefix, content_prefix) {
	
	for (var i=1; i <=number; i++) {
	  document.getElementById(content_prefix+'_'+i.toString()).style.display = 'none';
	  document.getElementById(tab_prefix+'_'+i.toString()).className = '';
	}
	document.getElementById(content_prefix+'_'+active).style.display = 'block';
	document.getElementById(tab_prefix+'_'+active).className = 'hovertab';		


	for (var i=1; i <=number; i++) {
		if(document.getElementById(content_prefix+'_more_'+i.toString())){
			document.getElementById(content_prefix+'_more_'+i.toString()).style.display = 'none';
		}
	}
	
	if(document.getElementById(content_prefix+'_more_'+active)){
		document.getElementById(content_prefix+'_more_'+active).style.display ='block';
	}
}
function showmenu(menuid)
{
for (var j=1; j <=8; j++) {
	if(g('submenu'+j.toString()))
	g('submenu'+j.toString()).style.display='none';	
	}
 g('submenu'+menuid).style.display='block';
// g('mainnav'+menuid).className='current';

 
}
function dismenu(menuid)
{
 g('submenu'+menuid).style.display='none';
 //g('mainnav'+menuid).className='';
 
}

function showdiv(obj)
 {g(obj).style.display='block';}
 function  disdiv(obj)
 {g(obj).style.display='none';}



function tabswitchtr(active, number, tab_prefix, content_prefix) {
	
	for (var i=1; i <=number; i++) {
	  document.getElementById(content_prefix+'_'+i.toString()).style.display = 'none';
	  document.getElementById(tab_prefix+'_'+i.toString()).className = 'tabtittle';
	}
	document.getElementById(content_prefix+'_'+active).style.display = 'block';
	document.getElementById(tab_prefix+'_'+active).className = 'hovertab';		
}

function baidusearch (wd) {
var link="http://www.baidu.com/s?si=www.huaan.com.cn&cl=3&ct=2097152&tn=baidulocal&word="+wd;
window.open(link);
}