if(typeof(pgvMain) == 'function')
                pgvMain();
                
                var gtopTab="one";
function $jjid(id){
 return document.getElementById(id); 
}
function changesTab(tab_id){
 if (tab_id==gtopTab){
  return; 
 }else{
  $jjid(gtopTab).className="unselect"; 
  $jjid(tab_id).className="select";
  $jjid("tab_"+gtopTab).style.display="none";
  $jjid("tab_"+tab_id).style.display="block";
  gtopTab=tab_id;
 }
}



var $jj = 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 = $jj(slider);
 this._container = $jj(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);
  }
};









//招标滚动
function Marquee() {
    this.ID = document.getElementById(arguments[0]);
    this.Direction = arguments[1];
    this.Step = arguments[2];
    this.Width = arguments[3];
    this.Height = arguments[4];
    this.Timer = arguments[5];
    this.WaitTime = arguments[6];
    this.StopTime = arguments[7];
    if (arguments[8]) { this.ScrollStep = arguments[8]; } else { this.ScrollStep = this.Direction > 1 ? this.Width : this.Height; }
    this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
    this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
    this.ID.noWrap = true;
    this.ID.style.width = this.Width;
    this.ID.style.height = this.Height;

  this.ClientScroll=156;
    this.ID.innerHTML += this.ID.innerHTML;
    this.Start(this, this.Timer, this.WaitTime, this.StopTime);
}
Marquee.prototype.Start = function(msobj, timer, waittime, stoptime) {
    msobj.StartID = function() { msobj.Scroll();}
    msobj.Continue = function() {
        if (msobj.MouseOver == 1) { setTimeout(msobj.Continue, waittime); }
        else { clearInterval(msobj.TimerID); msobj.CTL = msobj.Stop = 0; msobj.TimerID = setInterval(msobj.StartID, timer); }
    }
    msobj.Pause = function() { msobj.Stop = 1; clearInterval(msobj.TimerID); setTimeout(msobj.Continue, waittime); }
    msobj.Begin = function() {
        msobj.TimerID = setInterval(msobj.StartID, timer);
        msobj.ID.onmouseover = function() { msobj.MouseOver = 1; clearInterval(msobj.TimerID); }
        msobj.ID.onmouseout = function() { msobj.MouseOver = 0; if (msobj.Stop == 0) { clearInterval(msobj.TimerID); msobj.TimerID = setInterval(msobj.StartID, timer); } }
    }
    setTimeout(msobj.Begin, stoptime);
}
Marquee.prototype.Scroll = function() {
    switch (this.Direction) {
        case 0:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) { this.ID.scrollTop += this.ScrollStep + this.Step - this.CTL; this.Pause(); return; }
            else { 
            if (this.ID.scrollTop >= this.ClientScroll)
             this.ID.scrollTop -= this.ClientScroll;
              this.ID.scrollTop += this.Step;
             }
            break;
        case 1:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) { this.ID.scrollTop -= this.ScrollStep + this.Step - this.CTL; this.Pause(); return; }
            else { if (this.ID.scrollTop <= 0) this.ID.scrollTop += this.ClientScroll; this.ID.scrollTop -= this.Step; }
            break;
        case 2:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) { this.ID.scrollLeft += this.ScrollStep + this.Step - this.CTL; this.Pause(); return; }
            else { if (this.ID.scrollLeft >= this.ClientScroll) this.ID.scrollLeft -= this.ClientScroll; this.ID.scrollLeft += this.Step; }
            break;
        case 3:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) { this.ID.scrollLeft -= this.ScrollStep + this.Step - this.CTL; this.Pause(); return; }
            else { if (this.ID.scrollLeft <= 0) this.ID.scrollLeft += this.ClientScroll; this.ID.scrollLeft -= this.Step; }
            break;
    }
}



//选项卡切换
var D=new Function('obj','return document.getElementById(obj)');
function showDiv(sobj,num){
    for(var id = 1;id<=3;id++){
        try{
            var ss = sobj + id;
            var nss = sobj + "nav" + id;
            
            if(id==num){
                D(nss).style.display="block";
                //D(ss).style.backgroundImage="url('images/sjs_01.jpg')";
                if(id==1)
                D(ss).style.backgroundImage="url('images/2z.jpg')";
                else if(id==2)
                D(ss).style.backgroundImage="url('images/1s.jpg')";
                else if(id==3)
                D(ss).style.backgroundImage="url('images/3c.jpg')";
            }else{
                D(nss).style.display="none";
                if(id==1)
                D(ss).style.backgroundImage="url('images/sjs_01s.jpg')";
                else if(id==2)
                D(ss).style.backgroundImage="url('images/sjs_02z.jpg')";
                else if(id==3)
                D(ss).style.backgroundImage="url('images/sjs_03c.jpg')";
            }
         }catch(e){};
    }
}