//所有切换代码
	function ftzj_ftdh(obj,flag){
		var divid = obj+"_div";
		var objs = document.all(obj);
		for(i=0;i<objs.length;i++){
			document.all(obj)[i].className=obj+"1";
			document.all(divid)[i].style.display = "none";
		}
		document.all(obj)[flag].className=obj+"2";
		document.all(divid)[flag].style.display = "";
		
		if(obj=="new_qh"){
			switch(flag)
			 {
			   case 0:
				 document.getElementById("new_qh_a").href="/info/iList.jsp?cat_id=354";
				 break
			   case 1:
				 document.getElementById("new_qh_a").href="/info/iList.jsp?cat_id=1606";
				 break
			   case 2:
				 document.getElementById("new_qh_a").href="/info/iList.jsp?cat_id=353";
				 break
			   case 3:
				 document.getElementById("new_qh_a").href="http://bbs.ahfn.gov.cn/portal.php?mod=list&catid=3";
				 break

			   default:
				 alert("error!");
			 }
		}
	}



//首页幻灯片切换
var isIE = (document.all) ? true : false;

var $$ = function (id) {

	return "string" == typeof id ? document.getElementById(id) : id;

};


var Class = {

	create: function() {

		return function() { this.initialize.apply(this, arguments); }

	}

}

var Extend = function(destination, source) {

	for (var property in source) {

		destination[property] = source[property];

	}

}


var Bind = function(object, fun) {

	return function() {

		return fun.apply(object, arguments);

	}

}

var Each = function(list, fun){

	for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }

};





//ie only

var RevealTrans = Class.create();

RevealTrans.prototype = {

  initialize: function(container, options) {
	this._img = document.createElement("img");
	this._a = document.createElement("a");

	this._timer = null;//计时器
	this.Index = 0;//显示索引
	this._onIndex = -1;//当前索引

	this.SetOptions(options);

	this.Auto = !!this.options.Auto;
	this.Pause = Math.abs(this.options.Pause);
	this.Duration = Math.abs(this.options.Duration);
	this.Transition = parseInt(this.options.Transition);
	this.List = this.options.List;
	this.onShow = this.options.onShow;

	
	//初始化显示区域
	this._img.style.visibility = "hidden";//第一次变换时不显示红x图
	this._img.style.width = this._img.style.height = "100%"; this._img.style.border = 0;
	this._img.onmouseover = Bind(this, this.Stop);
	this._img.onmouseout = Bind(this, this.Start);
	isIE && (this._img.style.filter = "revealTrans()");
	this._a.target = "_blank";
	$$(container).appendChild(this._a).appendChild(this._img);

  },

  //设置默认属性

  SetOptions: function(options) {

	this.options = {//默认值

		Auto:		true,//是否自动切换

		Pause:		5000,//停顿时间(微妙)

		Duration:	1,//变换持续时间(秒)

		Transition:	23,//变换效果(23为随机)

		List:		[],//数据集合,如果这里不设置可以用Add方法添加

		onShow:		function(){}//变换时执行

	};

	Extend(this.options, options || {});

  },

  Start: function() {

	clearTimeout(this._timer);

	//如果没有数据就返回

	if(!this.List.length) return;

	//修正Index

	if(this.Index < 0 || this.Index >= this.List.length){ this.Index = 0; }

	//如果当前索引不是显示索引就设置显示

	if(this._onIndex != this.Index){ this._onIndex = this.Index; this.Show(this.List[this.Index]); }

	//如果要自动切换

	if(this.Auto){

		this._timer = setTimeout(Bind(this, function(){ this.Index++; this.Start(); }), this.Duration * 1000 + this.Pause);

	}

  },

  //显示

  Show: function(list) {

	if(isIE){

		//设置变换参数

		with(this._img.filters.revealTrans){

			Transition = this.Transition; Duration = this.Duration; apply(); play();

		}

	}

this._img.style.visibility = "";

	//设置图片属性

	this._img.src = list.img; this._img.alt = list.text;

	//设置链接

	!!list["url"] ? (this._a.href = list["url"]) : this._a.removeAttribute("href");

	//附加函数

	this.onShow();

  },

  //添加变换对象

  Add: function(sIimg, sText, sUrl) {

	this.List.push({ img: sIimg, text: sText, url: sUrl });

  },

  //停止

  Stop: function() {
	clearTimeout(this._timer);
  }

};