/*
城市商家点击放大
*/
function $(objectId){
   if(document.getElementById && document.getElementById(objectId)){
      // W3C DOM
      return document.getElementById(objectId);
   }
   else if (document.all && document.all(objectId)){
      // MSIE 4 DOM
      return document.all(objectId);
   }
   else if (document.layers && document.layers[objectId]){
      // NN 4 DOM.. note: this won't find nested layers
      return document.layers[objectId];
   }
   else{
      return false;
   }
}

var now_show_id =0 ;
function swap(id,bool)
{
    //alert(bool);
    if(id == now_show_id )return true;
    now_show_id =id ;
    for(var i=1;i<=14;i++)
    {
        if(bool)
        {
            if($('b'+i) != null){
                $("b"+i).style.display = bool ? 'none' : 'block';
                $("s"+i).style.display = bool ? 'block' : 'none';
            }
        }
    }
    $("b"+id).style.display = bool ? 'block' : 'none';
    $("s"+id).style.display = bool ? 'none' : 'block';
}


var now_id = 1;
function swap1(id,bool)
{
 //alert(bool);
 if(id == now_id )return true;
 now_id =id ;
 for(var i=1;i<=14;i++)
 {
  if(bool)
  {
   if($('d'+i) != null){
                $("d"+i).style.display = bool ? 'none' : 'block';
       $("a"+i).style.display = bool ? 'block' : 'none';
            }
  }
 }
 $("d"+id).style.display = bool ? 'block' : 'none';
 $("a"+id).style.display = bool ? 'none' : 'block';
}

/*
选项卡
*/

function setTab(name,cursel,n){
for(i=1;i<=n;i++){
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  menu.className=i==cursel?"hover":"";
  con.style.display=i==cursel?"block":"none";
}
}

/*
==轮播{对象|对象属性}==
对象属性{宽度|高度|文字大小|自动切换时间}
*/
function dk_slideplayer(object,config){
	this.obj = object;
	this.config = config ? config : {width:"293px",height:"207px",fontsize:"12px",right:"10px",bottom:"10px",time:"5000"};
	this.pause = false;
	var _this = this;
	if(!this.config.right){
		this.config.right = "0px"
	}
	if(!this.config.bottom){
		this.config.bottom = "3px"
	}
	if(this.config.fontsize == "12px" || !this.config.fontsize){
		this.size = "12px";
		this.height = "21px";
		this.right = "6px";
		this.bottom = "10px";
	}else if(this.config.fontsize == "14px"){
		this.size = "14px";
		this.height = "23px";
		this.right = "6px";
		this.bottom = "15px";
	}
	this.count = jQuery(this.obj + " li").size();
	this.n =0;
	this.j =0;
	var t;
	this.factory = function(){
		jQuery(this.obj).css({position:"relative",zIndex:"0",margin:"0",padding:"0",width:this.config.width,height:this.config.height,overflow:"hidden"})
		jQuery(this.obj).prepend("<div style='position:absolute;z-index:20;right:"+this.config.right+";bottom:"+this.config.bottom+"'></div>");
		jQuery(this.obj + " li").css({width:"100%",height:"100%",overflow:"hidden"}).each(function(i){jQuery(_this.obj + " div").append("<a>"+(i+1)+"</a>")});

		jQuery(this.obj + " img").css({border:"none",width:"100%",height:"100%"})

		this.resetclass(this.obj + " div a",0);

		jQuery(this.obj + " p").each(function(i){			
			jQuery(this).parent().append(jQuery(this).clone(true));
			jQuery(this).html("");
			jQuery(this).css({position:"absolute",margin:"0",padding:"0",zIndex:"1",bottom:"0",left:"0",height:_this.height,width:"100%",background:"#000",opacity:"0.4",overflow:"hidden"})
			jQuery(this).next().css({position:"absolute",margin:"0",padding:"0",zIndex:"2",bottom:"0",left:"0",height:_this.height,lineHeight:_this.height,textIndent:"5px",width:"100%",textDecoration:"none",fontSize:_this.size,color:"#FFFFFF",background:"none",zIndex:"1",opacity:"1",overflow:"hidden"})
			if(i!= 0){jQuery(this).hide().next().hide()}
		});

		this.slide();
		this.addhover();
		t = setInterval(this.autoplay,this.config.time);
	}
	
	this.slide = function(){
		jQuery(this.obj + " div a").mouseover(function(){
			_this.j = jQuery(this).text() - 1;
			_this.n = _this.j;
			if (_this.j >= _this.count){return;}
			jQuery(_this.obj + " li").hide();
			jQuery(_this.obj + " p").hide();
			jQuery(_this.obj + " li").eq(_this.j).fadeIn("slow");
			jQuery(_this.obj + " li").eq(_this.j).find("p").show();
			_this.resetclass(_this.obj + " div a",_this.j);
		});
	}

	this.addhover = function(){
		jQuery(this.obj).hover(function(){clearInterval(t);}, function(){t = setInterval(_this.autoplay,_this.config.time)});
	}
	
	this.autoplay = function(){
		_this.n = _this.n >= (_this.count - 1) ? 0 : ++_this.n;
		jQuery(_this.obj + " div a").eq(_this.n).trigger('mouseover');
	}
	
	this.resetclass =function(obj,i){
		jQuery(obj).css({float:"left",marginRight:"3px",fontFamily:"Arial",width:"15px",height:"14px",lineHeight:"15px",textAlign:"center",fontWeight:"100",fontSize:"12px",color:"#333",background:"#FFFFFF",cursor:"pointer"});
		jQuery(obj).eq(i).css({color:"#FFFFFF",background:"#f8970b",textDecoration:"none"});
	}

	this.factory();
}




/*
焦点图片
*/

var $ = function (id) {
	return "string" == typeof id ? document.getElementById(id) : id;
};

var Extend = function(destination, source) {
	for (var property in source) {
		destination[property] = source[property];
	}
	return destination;
}

var CurrentStyle = function(element){
	return element.currentStyle || document.defaultView.getComputedStyle(element, null);
}

var Bind = function(object, fun) {
	var args = Array.prototype.slice.call(arguments).slice(2);
	return function() {
		return fun.apply(object, args.concat(Array.prototype.slice.call(arguments)));
	}
}

var Tween = {
	Quart: {
		easeOut: function(t,b,c,d){
			return -c * ((t=t/d-1)*t*t*t - 1) + b;
		}
	},
	Back: {
		easeOut: function(t,b,c,d,s){
			if (s == undefined) s = 1.70158;
			return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
		}
	},
	Bounce: {
		easeOut: function(t,b,c,d){
			if ((t/=d) < (1/2.75)) {
				return c*(7.5625*t*t) + b;
			} else if (t < (2/2.75)) {
				return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
			} else if (t < (2.5/2.75)) {
				return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
			} else {
				return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
			}
		}
	}
}


//容器对象,滑动对象,切换数量
var SlideTrans = function(container, slider, count, options) {
	this._slider = $(slider);
	this._container = $(container);//容器对象
	this._timer = null;//定时器
	this._count = Math.abs(count);//切换数量
	this._target = 0;//目标值
	this._t = this._b = this._c = 0;//tween参数
	
	this.Index = 0;//当前索引
	
	this.SetOptions(options);
	
	this.Auto = !!this.options.Auto;
	this.Duration = Math.abs(this.options.Duration);
	this.Time = Math.abs(this.options.Time);
	this.Pause = Math.abs(this.options.Pause);
	this.Tween = this.options.Tween;
	this.onStart = this.options.onStart;
	this.onFinish = this.options.onFinish;
	
	var bVertical = !!this.options.Vertical;
	this._css = bVertical ? "top" : "left";//方向
	
	//样式设置
	var p = CurrentStyle(this._container).position;
	p == "relative" || p == "absolute" || (this._container.style.position = "relative");
	this._container.style.overflow = "hidden";
	this._slider.style.position = "absolute";
	
	this.Change = this.options.Change ? this.options.Change :
		this._slider[bVertical ? "offsetHeight" : "offsetWidth"] / this._count;
};
SlideTrans.prototype = {
  //设置默认属性
  SetOptions: function(options) {
	this.options = {//默认值
		Vertical:	true,//是否垂直方向（方向不能改）
		Auto:		true,//是否自动
		Change:		0,//改变量
		Duration:	50,//滑动持续时间
		Time:		10,//滑动延时
		Pause:		4000,//停顿时间(Auto为true时有效)
		onStart:	function(){},//开始转换时执行
		onFinish:	function(){},//完成转换时执行
		Tween:		Tween.Quart.easeOut//tween算子
	};
	Extend(this.options, options || {});
  },
  //开始切换
  Run: function(index) {
	//修正index
	index == undefined && (index = this.Index);
	index < 0 && (index = this._count - 1) || index >= this._count && (index = 0);
	//设置参数
	this._target = -Math.abs(this.Change) * (this.Index = index);
	this._t = 0;
	this._b = parseInt(CurrentStyle(this._slider)[this.options.Vertical ? "top" : "left"]);
	this._c = this._target - this._b;
	
	this.onStart();
	this.Move();
  },
  //移动
  Move: function() {
	clearTimeout(this._timer);
	//未到达目标继续移动否则进行下一次滑动
	if (this._c && this._t < this.Duration) {
		this.MoveTo(Math.round(this.Tween(this._t++, this._b, this._c, this.Duration)));
		this._timer = setTimeout(Bind(this, this.Move), this.Time);
	}else{
		this.MoveTo(this._target);
		this.Auto && (this._timer = setTimeout(Bind(this, this.Next), this.Pause));
	}
  },
  //移动到
  MoveTo: function(i) {
	this._slider.style[this._css] = i + "px";
  },
  //下一个
  Next: function() {
	this.Run(++this.Index);
  },
  //上一个
  Previous: function() {
	this.Run(--this.Index);
  },
  //停止
  Stop: function() {
	clearTimeout(this._timer); this.MoveTo(this._target);
  }
};