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


/*Navigation Bar For IE*/
function selectListItem(id, topic) {
	var menu = $(id);
	var elements = menu.getElementsByTagName('*');
	var ancestor;
	for (var i=0; i<elements.length; i++) {
		if (elements[i].nodeType == 1 && elements[i].title == topic) {
			if (elements[i].nodeName == 'A') {
				elements[i].className = 'selected';
			} else {
				ancestor = elements[i];
				while (ancestor.nodeName != 'LI') { ancestor = ancestor.parentNode }
				ancestor.className = 'selected';
			}
		}
	}
}

sfHover = function() {
	var sfEls = $("menu").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

function addBookmark(title) {
    var url=parent.location.href;
    if (window.sidebar) {
           window.sidebar.addPanel(title, url,"");
    } else if( document.all ) {
    window.external.AddFavorite( url, title);
    } else if( window.opera && window.print ) {
    return true;
    }
}

function newsMoveUp() {
	$("newsOuterDiv").scrollTop += 30;
}
function newsMoveDown() {
	$("newsOuterDiv").scrollTop -= 30;
}

/*Index Slide Show*/
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);
  }
};
/*End: Index Slide Show*/

function indexInits(){
	/*Index Slide Show*/
	$("slideShowPic2").style.display="block";
	$("slideShowPic3").style.display="block";
	$("slideShowPic4").style.display="block";
	var forEach = function(array, callback, thisObject){
		if(array.forEach){
			array.forEach(callback, thisObject);
		}else{
			for (var i = 0, len = array.length; i < len; i++) { callback.call(thisObject, array[i], i, array); }
		}
	}
	var st = new SlideTrans("idContainer2", "idSlider2", 4, { Vertical: false });
	var nums = [];
	for(var i = 0, n = st._count - 1; i <= n;){
		(nums[i] = $("idNum").appendChild(document.createElement("li"))).innerHTML = ++i;
	}
	forEach(nums, function(o, i){
		o.onmouseover = function(){ o.className = "on"; st.Auto = false; st.Run(i); }
		o.onmouseout = function(){ o.className = ""; st.Auto = true; st.Run(); }
	})
	st.onStart = function(){
		forEach(nums, function(o, i){ o.className = st.Index == i ? "on" : ""; })
	}
	st.Run();
	/*End: Index Slide Show*/
	
	/*Question Marks*/
	var oFreeTranslationQM = $("freeTranslationQM");
	var oFreeTranslationText = $("freeTranslationText");
	oFreeTranslationQM.onmouseover = function (){oFreeTranslationText.style.display = "block";}
	oFreeTranslationText.onmouseover = function (){oFreeTranslationText.style.display = "block";}
	oFreeTranslationQM.onmouseout = function (){oFreeTranslationText.style.display = "none";}
	oFreeTranslationText.onmouseout = function (){oFreeTranslationText.style.display = "none";}
	
	var oFreeAdvQM = $("freeAdvQM");
	var oFreeAdvText = $("freeAdvText");
	oFreeAdvQM.onmouseover = function (){oFreeAdvText.style.display = "block";}
	oFreeAdvQM.onmouseout = function (){oFreeAdvText.style.display = "none";}
	oFreeAdvText.onmouseover = function (){oFreeAdvText.style.display = "block";}
	oFreeAdvText.onmouseout = function (){oFreeAdvText.style.display = "none";}
	var oCrossBrowserQM = $("crossBrowserQM");
	var oCrossBrowserText = $("crossBrowserText");
	oCrossBrowserQM.onmouseover = function (){oCrossBrowserText.style.display = "block";}
	oCrossBrowserQM.onmouseout = function (){oCrossBrowserText.style.display = "none";}
	oCrossBrowserText.onmouseover = function (){oCrossBrowserText.style.display = "block";}
	oCrossBrowserText.onmouseout = function (){oCrossBrowserText.style.display = "none";}
	var oPriceQM = $("priceQM");
	var oPriceText = $("priceText");
	oPriceQM.onmouseover = function (){oPriceText.style.display = "block";}
	oPriceQM.onmouseout = function (){oPriceText.style.display = "none";}
	oPriceText.onmouseover = function (){oPriceText.style.display = "block";}
	oPriceText.onmouseout = function (){oPriceText.style.display = "none";}
	/*End: Question Marks*/
	
	/*Online Chat*/
	var onlineContact = $("serviceText");
	var onlineContactTable = $("onlineContactTable");
	onlineContact.onmouseover = function (){onlineContactTable.style.display = "block";}
	onlineContact.onmouseout = function (){onlineContactTable.style.display = "none";}
	onlineContactTable.onmouseover = function (){onlineContactTable.style.display = "block";}
	onlineContactTable.onmouseout = function (){onlineContactTable.style.display = "none";}
	/*End:Online Chat*/
	
	/*Interval Scroll*/
	intervalScroll();
}

function moveLeft(){
	var oAdditionalImagesTable = $('picSlideShowHolder');
	oAdditionalImagesTable.scrollLeft += 240;
}
function moveRight(){
	var oAdditionalImagesTable = $('picSlideShowHolder');
	oAdditionalImagesTable.scrollLeft -= 240;
}

/*BOF:Interval Scroll*/
function intervalScroll(){
	var o=$('hotLinks');
	window.setInterval(function(){scrollup(o,24,0);},3000);
}

function scrollup(o,d,c){
	if(d==c){
		var t=getFirstChild(o.firstChild).cloneNode(true);
		o.removeChild(getFirstChild(o.firstChild));
		o.appendChild(t);
		t.style.marginTop="0px";
	}else{
		c+=2;
		getFirstChild(o.firstChild).style.marginTop=-c+"px";
		window.setTimeout(function(){scrollup(o,d,c)},20);
	}
}
	
function getFirstChild(node){
	while (node.nodeType!=1)
	{
		node=node.nextSibling;
	}
	return node;
}
/*EOF:Interval Scroll*/