// JavaScript Document
//查询
function selectTag(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("tags").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTag";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
}
//菜单
	function qiehuan(num){
		for(var id = 0;id<=8;id++)
		{
			if(id==num)
			{
				document.getElementById("qh_con"+id).style.display="block";
				document.getElementById("mynav"+id).className="nav_on";
			}
			else
			{
				document.getElementById("qh_con"+id).style.display="none";
				document.getElementById("mynav"+id).className="";
			}
		}
	}
//广告
var isIE=!(navigator.userAgent.indexOf('MSIE')==-1);
var news;
var curNew=0;
var timer;
function init()
{
	var div=document.getElementById("NewsPic");
	if(!div)return;
	var nav=document.createElement("DIV");
	nav.className="Nav";
	var nodes;
	if(isIE)
	{
	    nodes=div.childNodes;
	}
	else
	{
	    nodes=childrenNodes(div.childNodes);
	}
	news=new Array(nodes.length);
	for(var i=nodes.length-1;i>=0;i--)
	{
	    var element=nodes[i];
	    
	    
		news[i]={};
		news[i].Element=element;
		news[i].Text=element.getAttribute("title");
		news[i].Url=element.getAttribute("href");
		
		var n=document.createElement("span");
		n.innerHTML="<a herf=\"javascript:;\" onclick=\"javascript:curNew="+(i-1)+";change();\">"+(i+1)+"</a>";
		if(i==curNew)n.className="Cur";
		nav.appendChild(n);
		
		news[i].LinkElement=n;
	}
	div.appendChild(nav);
	curNew--;
	change();

}
function childrenNodes(node)
{
    var c=new Array();
    for(var i=0;i<node.length;i++)
    {
        if(node[i].nodeName.toLowerCase()=="a")
            c.push(node[i]);
    }
    return c;
}
function change()
{
    var div=document.getElementById("NewsPic");
    var text=document.getElementById("NewsPicTxt");
    if(!div)return;
    curNew=curNew+1;
    if(curNew>=news.length)curNew=0;
    for(var i=0;i<news.length;i++)
    {
        if(i==curNew)
        {
            news[i].Element.style.display="block";
            news[i].Element.style.visibility="visible";
            news[i].LinkElement.className="Cur";
            text.innerHTML="<a href=\""+news[i].Url+"\" title=\""+news[i].Text+"\" target=\"_blank\">"+news[i].Text+"</a>";
        }
        else
        {
            news[i].Element.style.visibility="hidden";
            news[i].Element.style.display="none";
            news[i].LinkElement.className="Normal";
        }
    }
    if(timer)window.clearTimeout(timer);
    timer=window.setTimeout("change()",3000);
    
}


//最新报告  食品类
function selectfood(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("food").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectfood";
	// 操作内容
	for(i=0; j=document.getElementById("foodContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
	
	
}
//化工类
function selectChemistry(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("chemistry").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectChemistry";
	// 操作内容
	for(i=0; j=document.getElementById("chemistryContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
	
	
}

//质检新闻
function selectquality(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("quality").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectquality";
	// 操作内容
	for(i=0; j=document.getElementById("qualityContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
	
	if( showContent == "qualityContent0" )
	{
		document.getElementById("more0").style.display = "block";
		document.getElementById("more1").style.display = "none";
	}else
	{
		document.getElementById("more1").style.display = "block";
		document.getElementById("more0").style.display = "none";
	}
	
}


//食品
function food_onclick(food)
{
	resetfood();
	food.className = "active";
}

function resetfood()
{
	var food = document.getElementById("foodmenu");
	var links = food.getElementsByTagName("a");
	for (i = 0; i < links.length; i++)
	{
		var link = links[i];
		link.className = "";
	}
}

//包装
function pack_onclick(pack)
{
	resetpack();
	pack.className = "active";
}

function resetpack()
{
	var pack = document.getElementById("packmenu");
	var links = pack.getElementsByTagName("a");
	for (i = 0; i < links.length; i++)
	{
		var link = links[i];
		link.className = "";
	}
}

//化妆品
function Makeup_onclick(Makeup)
{
	resetMakeup();
	Makeup.className = "active";
}

function resetMakeup()
{
	var Makeup = document.getElementById("makeup");
	var links = Makeup.getElementsByTagName("a");
	for (i = 0; i < links.length; i++)
	{
		var link = links[i];
		link.className = "";
	}
}