function funcFocus(text) {
	if (text.value == "输入产品关键字" || Trim(text.value) == ""){
		text.value = "";
	}
}
function Trim(str){
	if(str.charAt(0) == " "){
		str = str.slice(1);
		str = Trim(str); 
	}
	return str;
}

/*自适应高度开始*/
//调用:P7_equalCols('content','tree');
function P7_colH(){
	var i,oh,hh,h=0,dA=document.p7eqc,an=document.p7eqa;
	if(dA&&dA.length){
		for(i=0;i<dA.length;i++){
			dA[i].style.height='auto';
		}
		for(i=0;i<dA.length;i++){
			oh=dA[i].offsetHeight;h=(oh>h)?oh:h;
		}
		for(i=0;i<dA.length;i++){
			if(an){
				dA[i].style.height=h+'px';
			}else{
				P7_eqA(dA[i].id,dA[i].offsetHeight,h);
			}
		}
		if(an){
			for(i=0;i<dA.length;i++){
				hh=dA[i].offsetHeight;
				if(hh>h){
					dA[i].style.height=(h-(hh-h))+'px';
				}
			}
		}else{
			document.p7eqa=1;
		}
		document.p7eqth=document.body.offsetHeight;
		document.p7eqtw=document.body.offsetWidth;
	}
}

function P7_eqT(){
	if(document.p7eqth!=document.body.offsetHeight||document.p7eqtw!=document.body.offsetWidth){
		P7_colH();
	}
}

function P7_equalCols(){
	if(document.getElementById){
		document.p7eqc=new Array;
		for(i=0;i<arguments.length;i++){
			document.p7eqc[i]=document.getElementById(arguments[i]);
		}
		setInterval("P7_eqT()",0);
	}
}

function P7_eqA(el,h,ht){
	var sp=1,inc=1000,nh=h,g=document.getElementById(el),oh=g.offsetHeight,ch=parseInt(g.style.height);
	ch=(ch)?ch:h;var ad=oh-ch,adT=ht-ad;nh+=inc;nh=(nh>adT)?adT:nh;g.style.height=nh+'px';
	oh=g.offsetHeight;if(oh>ht){nh=(ht-(oh-ht));g.style.height=nh+'px';}
	if(nh<adT){
		setTimeout("P7_eqA('"+el+"',"+nh+","+ht+")",sp);
	}
}
/*自适应高度结束*/

/*图片切换开始*/

var _$ = function(id){
	return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
	create:function(){
		return function(){
			this.initialize.apply(this, arguments);
		}
	}
}

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

var TransformView = Class.create();
TransformView.prototype = {
	//容器对象,滑动对象,切换参数,切换数量
	initialize: function(container, slider, parameter, count, options) {
		if(parameter <= 0 || count <= 0) return;
		var oContainer = _$(container), oSlider = _$(slider), oThis = this;
		this.Index = 0;//当前索引
		this._timer = null;//定时器
		this._slider = oSlider;//滑动对象
		this._parameter = parameter;//切换参数
		this._count = count || 0;//切换数量
		this._target = 0;//目标参数
		this.SetOptions(options);
		this.Up = !!this.options.Up;
		this.Step = Math.abs(this.options.Step);
		this.Time = Math.abs(this.options.Time);
		this.Auto = !!this.options.Auto;
		this.Pause = Math.abs(this.options.Pause);
		this.onStart = this.options.onStart;
		this.onFinish = this.options.onFinish;
		oContainer.style.overflow = "hidden";
		oContainer.style.position = "relative";
		oSlider.style.position = "absolute";
		oSlider.style.top = oSlider.style.left = 0;
	},
	//设置默认属性
	SetOptions: function(options) {
		this.options = {//默认值
			Up:		true,//是否向上(否则向左)
			Step:		5,//滑动变化率
			Time:		10,//滑动延时
			Auto:		true,//是否自动转换
			Pause:		2000,//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
		};
		Object.extend(this.options, options || {});
	},
	//开始切换设置
	Start: function() {
		if(this.Index < 0){
			this.Index = this._count - 1;
		} else if (this.Index >= this._count){
			this.Index = 0;
		}
		this._target = -1 * this._parameter * this.Index;
		this.onStart();
		this.Move();
	},
	//移动
	Move: function() {
		clearTimeout(this._timer);
		var oThis = this, style = this.Up ? "top" : "left", iNow = parseInt(this._slider.style[style]) || 0, iStep = this.GetStep(this._target, iNow);
		if (iStep != 0) {
			this._slider.style[style] = (iNow + iStep) + "px";
			this._timer = setTimeout(function(){ oThis.Move(); }, this.Time);
		} else {
			this._slider.style[style] = this._target + "px";
			this.onFinish();
			if (this.Auto) { this._timer = setTimeout(function(){ oThis.Index++; oThis.Start(); }, this.Pause); }
		}
	},
	//获取步长
	GetStep: function(iTarget, iNow) {
		var iStep = (iTarget - iNow) / this.Step;
		if (iStep == 0) return 0;
		if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
		return iStep;
	},
	//停止
	Stop: function(iTarget, iNow) {
		clearTimeout(this._timer);
		this._slider.style[this.Up ? "top" : "left"] = this._target + "px";
	}
};
window.onload = function(){
	function Each(list, fun){
		for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
	};
	var objs = _$("idNum").getElementsByTagName("li");
	var tv = new TransformView("idTransformView", "idSlider", 200, 4, {
		onStart : function(){ Each(objs, function(o, i){ o.className = tv.Index == i ? "on" : ""; }) }
	});
	tv.Start();
	Each(objs, function(o, i){
		o.onmouseover = function(){
			o.className = "on";
			tv.Auto = false;
			tv.Index = i;
			tv.Start();
		}
		o.onmouseout = function(){
			o.className = "";
			tv.Auto = true;
			tv.Start();
		}
	})
}
/*图片切换结束*/


$(document).ready(function(){
	$(".product_pic").hover(
		function(){
			$(this).addClass("borderhover");
		},
		function(){
			$(this).removeClass("borderhover");
		}
	);
	
});