锘
    function Slider(oSlider, oTrigger, auto) {
        this.init(oSlider, oTrigger, auto);
    }

    Slider.prototype = {
        mouseover: function(targetIndex) {
            var curLi = this.aLi[this.curIndex],//瑜版挸澧犻崶鍓у
                targetLi = this.aLi[targetIndex];//閻?#57789;鐖ｉ崶鍓у

            curLi.style.zIndex = 1;
            targetLi.style.zIndex = 2;

            //閺囧瓨鏁艰ぐ鎾冲闁鑵戦惃鍓唒an
            this.aSpan[this.curIndex].className = '';
            this.aSpan[targetIndex].className = 'cur';

            startMove(curLi, {'opacity': 0});
            startMove(targetLi, {'opacity': 100});

            this.curIndex = targetIndex;//閺囧瓨鏌婅ぐ鎾冲缁便垹绱
        },
        mouseout: function(targetIndex) {//mouseout閺?#65533;,瀵偓閸?#57885;鍤滈崝銊ㄧ枂閹?#65533;
            this.auto();
        },
        auto: function() {
            clearInterval(this.timer)
            var that = this;
            this.timer = setInterval(function() {//閼?#57412;濮╂潪鎸?閸掑洦宕查柅鐔峰娑?#65533;5000濮?#57508;
                that.mouseover((that.curIndex+1)%that.aLi.length);
            }, 5000);
        },
        init: function(oSlider, oTrigger, auto) {
            this.oSlider = oSlider;//楠炶崵浼呴悧鍥?#57744;閸?#65533;
            this.oTrigger = oTrigger;//楠炶崵浼呴悧鍥曢崣鎴濇珤鐎圭懓娅
            this.aLi = this.oSlider.getElementsByTagName('li');//閸ュ墽澧
            this.aSpan = [];//楠炶崵浼呴悧鍥曢崣鎴濇珤
            this.curIndex = 0;//瑜版挸澧犻崶鍓у缁便垹绱?姒涙0
            this.timer = null;//閼?#57412;濮╂潪鎸
            var i, len;

            //閻㈢喐鍨歴pan
            for (i = 0, len = this.aLi.length; i < len; i++) {
                var newSpan = document.createElement('span');

                this.aSpan.push(newSpan);
                this.oTrigger.appendChild(newSpan);
            }

            //閸掓繂&#59216;閸栨牜&#57543;娑撯偓瀵姴娴橀悧鍥ㄦ▔缁€&#65533;
            this.aSpan[0].className = 'cur';
            startMove(this.aLi[0], {'opacity': 100});

            var that = this;
            for (i = 0; i < len; i++) {//缂佹垵鐣緈ouseover閸滃ouseout娴滃娆
                this.aSpan[i].onmouseover = (function(i) {
                    return function() {
                        if (i == this.curIndex) {//婵″倹鐏夐惄&#57789;鐖ｇ粵澶夌艾瑜版挸澧?閸掓瑤绗夐幍褑&#58641;
                            return ;
                        }

                        clearInterval(this.timer);//濞撳懘娅庨懛&#57412;濮╂潪&#57789;鎸
                        that.mouseover(i);
                    }
                })(i);

                if (auto) {//閸掋倖鏌囬弰&#57882;鎯侀懛&#57412;濮╂潪&#57789;鎸?閸氾箑鍨稉宥囩拨鐎规矮绨ㄦ禒&#65533;
                    this.aSpan[i].onmouseout = (function(i) {
                        return function() {
                            that.mouseout(i);
                        }
                    })(i);
                }
            }

            if (auto) {//閸掋倖鏌囬弰&#57882;鎯侀懛&#57412;濮╂潪&#57789;鎸
                this.auto();
            }

        }
    }


    //閸ュ墽澧栭懛&#57416;鈧倸绨茬紓鈺傛杹
    function drawImage(oImg,iWidth,iHeight) {
        //閸欏倹鏆?閸ュ墽澧?閸忎浇&#57743;閻ㄥ嫬&#57748;鎼?#65533;,閸忎浇&#57743;閻ㄥ嫰鐝惔&#65533;)
        var image = new Image();
        image.src = oImg.src;

        if(image.width>0 && image.height>0){
            if(image.width/image.height >= iWidth/iHeight){
                if(image.width > iWidth){
                    oImg.width = iWidth;
                    oImg.height = (image.height*iWidth)/image.width;
                }else{
                    oImg.width = image.width;
                    oImg.height = image.height;
                }
            }else{
                if(image.height > iHeight){
                    oImg.height = iHeight;
                    oImg.width = (image.width*iHeight)/image.height;
                }else{
                    oImg.width = image.width; 
                    oImg.height = image.height;
                }
            }
        }
    }


    function stopDefault(e) {// 缁備焦&#57627;濞村繗&#59213;閸ｃ劑绮拋銈?#58641;娑?#65533;
        var e= e || event;
        if (e.preventDefault) {
            e.preventDefault();
        } else {
            window.event.returnValue = false;
        }

        return false;
    }

    //濡剝瀚欏姘З閺?#65533;
    function ImitateScroll(scrollBox, scrollObj, scrollBar, scrollBtn)
    {//scrollBox鐞?#57507;绮撮崝銊?#57838;鐠炩€?#58939;濡楀棴绱漵crollObj鐞?#57507;绮撮崝銊?#57838;鐠炩槄绱漵crollBar濠婃艾濮╅弶鈥虫健閿涘本绮撮崝銊︽蒋閹稿鎸
        this.init(scrollBox, scrollObj, scrollBar, scrollBtn);
    }

    ImitateScroll.prototype = {
        scale:function() {//鐞?#57507;绮撮崝銊?#57838;鐠炩€茬瑢鐞?#57507;绮撮崝銊?#57838;鐠炩€?#58939;濡楀棛娈戞妯哄濮ｆ柧绶ョ拋锛勭暬
            return (this.scrollObj.scrollHeight/this.scrollBox.clientHeight);
        },
        scrollBtnMouseDown:function(ev) {//濠婃艾濮╅幐澶愭尦閹稿绗
            var _this = this;
            var disY = ev.clientY - this.scrollBtn.offsetTop;//姒х姵鐖閸ф劖鐖ｇ捄婵?#59271;濠婃艾濮╅幐澶愭尦婢舵挳鍎撮惃鍕獩缁?#65533;
            var maxTop =  this.scrollBar.clientHeight - this.scrollBtn.offsetHeight;

            document.onmousemove = function(ev) {
                if (document.all) {//ie 缁備焦&#57627;闁瀚
                    document.body.onselectstart = new Function("return false");
                } else {// chrome, ff
                    document.body.className = "chromeOnselectstart";
                }

                var oEvent = ev || event;
                var t = oEvent.clientY - disY;
                t = t>maxTop ? maxTop : t;
                t = t<0 ? 0 : t;

                _this.scrollBtn.style.top = t + "px";
                _this.scrollObj.style.top = -t / _this.scrollBar.clientHeight * _this.scrollObj.scrollHeight + "px";
            };
            document.onmouseup = function() {
                if (document.all) {//ie 鐟欙綁娅庣粋浣?#57627;闁瀚
                    document.body.onselectstart = new Function("return true");
                } else {// chrome, ff
                    document.body.className = "";
                }

                document.onmousemove = document.onmouseup = null;//濞撳懘娅巑ove閸滃瘈p娴滃娆
            };
        },
        scrollBoxMousewheel:function(ev) {//姒х姵鐖ｅ姘崇枂濠婃艾濮
            var direct = 0;
            var topCur = this.scrollBtn.offsetTop;
            var maxTop =  this.scrollBar.clientHeight - this.scrollBtn.offsetHeight;
            //濠婃俺鐤嗗В蹇?#57532;濠婃艾濮╅敍灞剧泊閸斻劍瀵滈柦&#57791;&#57818;鐠ф壆娈戠捄婵?#59271;閿涘本绁寸拠鏄猦rome濠?#65533;8濞嗏€虫▕娑撳秴&#58943;娑撯偓鐏?#65533;
            var directTop = this.scrollBox.clientHeight / 8 / this.scrollObj.scrollHeight * this.scrollBar.clientHeight;
            directTop = directTop>0 ? Math.ceil(directTop) : Math.floor(directTop);

            stopDefault(ev);//缁備焦&#57627;濞村繗&#59213;閸ｃ劏鍤滈煬&#57508;娈戝姘З閺夆剝绮撮崝銊︽櫏閺?#65533;
            if (ev.wheelDelta)  {//IE/Opera/Chrome 
                direct = ev.wheelDelta;
            } else if (ev.detail) {//Firefox 
                direct = ev.detail * (-1);
            }

            if(parseFloat(direct) > 0) {
                var topEnd = topCur - directTop;
                if (topEnd < 0) {topEnd = 0;}
            } else {
                var topEnd = topCur + directTop;
                topEnd = topEnd>maxTop ? maxTop : topEnd;
            }

            this.scrollBtn.style.top = topEnd + "px";
            this.scrollObj.style.top = -topEnd / this.scrollBar.clientHeight * this.scrollObj.scrollHeight + "px";
        },
        init:function(scrollBox, scrollObj, scrollBar, scrollBtn) {//閸掓繂&#59216;閸?#65533;
            this.scrollBox = typeof scrollBox == "string" ? document.getElementById(scrollBox) : scrollBox;
            this.scrollObj = typeof scrollObj == "string" ? document.getElementById(scrollObj) : scrollObj;
            this.scrollBar = typeof scrollBar == "string" ? document.getElementById(scrollBar) : scrollBar;
            this.scrollBtn = typeof scrollBtn == "string" ? document.getElementById(scrollBtn) : scrollBtn;
            var scale = this.scale();////鐞?#57507;绮撮崝銊?#57838;鐠炩€茬瑢鐞?#57507;绮撮崝銊?#57838;鐠炩€?#58939;濡楀棛娈戞妯哄濮ｆ柧绶

            if (scale <= 1) {//閸掋倖鏌囬弰&#57882;鎯佹潏鎯у煂娴溠呮晸濠婃艾濮╅弶锛勬畱閺夆€叉
                this.scrollBar.style.display = "none";
                return;
            } else {
                this.scrollBar.style.display = "block";
            }

            // if(_this.scrollObj.scrollHeight+_this.scrollObj.offsetTop < _this.scrollBox.clientHeight)
            // {//閸掋倖鏌囩悮&#57507;绮撮崝銊?#57838;鐠炩剝妲搁崥锔界泊鏉╁洤銇旀禍&#65533;
            // 	 _this.scrollObj.style.top = _this.scrollBox.clientHeight-_this.scrollObj.scrollHeight+"px";
            // }

            //閸掓繂&#59216;閸栨牗绮撮崝銊﹀瘻闁?#57790;娈戞妯哄閸滃op閸?#65533;
            this.scrollBtn.style.height = this.scrollBar.clientHeight / scale + "px";//鐠佹儳鐣惧姘З閹稿鎸抽惃鍕彯鎼?#65533;
            //this.scrollBtn.style.top = -this.scrollObj.offsetTop/this.scrollObj.scrollHeight*this.scrollBar.clientHeight + "px";

            var _this = this;
            this.scrollBtn.onmousedown = function(e) {//濠婃艾濮╅幐澶愭尦閹锋牗瀚挎禍瀣╂
                var e = e || event;
                _this.scrollBtnMouseDown(e);
            };

            //缂佹垵鐣惧姘崇枂娴滃娆
            if (this.scrollBox.addEventListener) {//ff3.5娴犮儰绗
                this.scrollBox.addEventListener("DOMMouseScroll", function(e) {
                    var e = e || event;
                    _this.scrollBoxMousewheel(e)
                }, false);
            }
            //W3C
            this.scrollBox.onmousewheel = function(e) {
                var e = e || event;
                _this.scrollBoxMousewheel(e)
            }; //IE/Opera/Chrome
        }
    }

    $(function() {
 
  
        var curNavId;
        var subnavTimer;
        var url = document.URL;
        var navRgExp = {
            "sub1": /\/product/,
            "sub2": /\/solution/,
            "sub3": /\/service/,
            "sub4": /\/about/,
            "sub5": /\/news/,
            "sub6": /\/dealer/
        }
        for (var i in navRgExp) {
            if (navRgExp[i].test(url)) {
                curNavId = i;
                break ;
            }
        }

        $(".nav .navs").hover(function() {
            clearInterval(subnavTimer);
            var index = $(this).index();
            if (index == 5) {
                $(".nav .navs").removeClass("cur");
                $(".subNav div[dataType=subnav]").hide();
                return;
            }

            $(this).addClass("cur").siblings(".navs").removeClass("cur");

            $(".subNav div[dataType=subnav]").eq(index).slideDown(300).siblings("div[dataType=subnav]").stop().hide();
        }, function() {
            var that = $(this);
            subnavTimer = setTimeout(function() {
                var index = that.index();
                that.removeClass("cur");
                $(".subNav div[dataType=subnav]").eq(index).hide();
                $("#" + curNavId).addClass("cur");
            }, 100);
        });

        $(".subNav div[dataType=subnav]").hover(function() {
            clearInterval(subnavTimer);
        }, function() {
            var that = $(this);
            subnavTimer = setTimeout(function() {
                var index = that.index();

                $(".nav .navs").eq(index).removeClass("cur");
                $("#" + curNavId).addClass("cur");
                that.hide();
            }, 100);
        });
        // $(".subNav .cont2 .title li").mouseover(function() {
        // 	$(this).addClass("cur").siblings("li").removeClass("cur");
        // 	var index = $(this).index();
        // 	$(".subNav .cont2 .list").hide().eq(index).show();
        // });
    })


    function getParam(paramName) {
        paramValue = "", isFound = !1;
        if (this.location.search.indexOf("?") == 0 && this.location.search.indexOf("=") > 1) {
            arrSource = unescape(this.location.search).substring(1, this.location.search.length).split("&"), i = 0;
            while (i < arrSource.length && !isFound) arrSource[i].indexOf("=") > 0 && arrSource[i].split("=")[0].toLowerCase() == paramName.toLowerCase() && (paramValue = arrSource[i].split("=")[1], isFound = !0), i++
        }
        return paramValue == "" && (paramValue = null), paramValue
    }