// JavaScript Document
//마우스 올리면 서브 메뉴 나오게 하는 것
//메뉴의 상태를 알수 있게 해주는 전역변수.
 var menu01Flage = "none";
 var menu02Flage = "none";
 var menu03Flage = "none";
 var menu04Flage = "none";
 var menu05Flage = "none";
 
 function viewSub(fname){
  var f = document.all;
  //메뉴의 상태를 알기전 셋팅을 한다.
  f.menu01.style.display = "none";
  f.menu02.style.display = "none";
  f.menu03.style.display = "none";
  f.menu04.style.display = "none";
  f.menu05.style.display = "none";
  
  if(fname =="menu01"){
   if(menu01Flage == "none"){
    f.menu01.style.display = "block";
    menu01Flage = "block";
   }else{
    f.menu01.style.display = "none";
    menu1Flage = "none";
   }
    menu02Flage = "none";
    menu03Flage = "none";
	menu04Flage = "none";
	menu05Flage = "none";
  }else if(fname =="menu02"){
   if(menu02Flage == "none"){
    f.menu02.style.display = "block";
    menu02Flage = "block";
   }else{
    f.menu02.style.display = "none";
    menu02Flage = "none";
   }
    menu01Flage = "none";
    menu03Flage = "none";
	menu04Flage = "none";
	menu05Flage = "none";
  }else if(fname =="menu03"){
   if(menu03Flage == "none"){
    f.menu03.style.display = "block";
    menu03Flage = "block";
   }else{
    f.menu03.style.display = "none";
    menu03Flage = "none";
   }
    menu01Flage = "none";
    menu02Flage = "none";
	menu04Flage = "none";
	menu05Flage = "none";
  }else if(fname =="menu04"){
   if(menu04Flage == "none"){
    f.menu04.style.display = "block";
    menu4Flage = "block";
   }else{
    f.menu04.style.display = "none";
    menu04Flage = "none";
   }
    menu01Flage = "none";
    menu02Flage = "none";
	menu03Flage = "none";
	menu05Flage = "none";
  }else if(fname =="menu05"){
   if(menu05Flage == "none"){
    f.menu05.style.display = "block";
    menu5Flage = "block";
   }else{
    f.menu05.style.display = "none";
    menu05Flage = "none";
   }
    menu01Flage = "none";
    menu02Flage = "none";
    menu03Flage = "none";
	menu04Flage = "none";
  }
 }
//마우스 올리면 서브 메뉴 나오게 하는 것 끝

//포토그래퍼 소개
/* ==== slider nameSpace ==== */
var slider = function() {
    /* ==== private methods ==== */
    function getElementsByClass(object, tag, className) {
        var o = object.getElementsByTagName(tag);
        for ( var i = 0, n = o.length, ret = []; i < n; i++) {
            if (o[i].className == className) ret.push(o[i]);
        }
        if (ret.length == 1) ret = ret[0];
        return ret;
    }
    function setOpacity (obj,o) {
        if (obj.filters) obj.filters.alpha.opacity = Math.round(o);
        else obj.style.opacity = o / 100;
    }
    /* ==== Slider Constructor ==== */
    function Slider(oCont, speed, iW, iH, oP) {
        this.slides = [];
        this.over   = false;
        this.S      = this.S0 = speed;
        this.iW     = iW;
        this.iH     = iH;
        this.oP     = oP;
        this.oc     = document.getElementById(oCont);
        this.frm    = getElementsByClass(this.oc, 'div', 'slide');
        this.NF     = this.frm.length;
        this.resize();
        for (var i = 0; i < this.NF; i++) {
            this.slides[i] = new Slide(this, i);
        }
        this.oc.parent = this;
        this.view      = this.slides[0];
        this.Z         = this.mx;
        /* ==== on mouse out event ==== */
        this.oc.onmouseout = function () {
            this.parent.mouseout();
            return false;
        }
    }
    Slider.prototype = {
        /* ==== animation loop ==== */
        run : function () {
            this.Z += this.over ? (this.mn - this.Z) * .5 : (this.mx - this.Z) * .5;
            this.view.calc();
            var i = this.NF;
            while (i--) this.slides[i].move();
        },
        /* ==== resize  ==== */
        resize : function () {
            this.wh = this.oc.clientWidth;
            this.ht = this.oc.clientHeight;
            this.wr = this.wh * this.iW;
            this.r  = this.ht / this.wr;
            this.mx = this.wh / this.NF;
            this.mn = (this.wh * (1 - this.iW)) / (this.NF - 1);
        },
        /* ==== rest  ==== */
        mouseout : function () {
            this.over      = false;
            setOpacity(this.view.img, this.oP);
        }
    }
    /* ==== Slide Constructor ==== */
    Slide = function (parent, N) {
        this.parent = parent;
        this.N      = N;
        this.x0     = this.x1 = N * parent.mx;
        this.v      = 0;
        this.loaded = false;
        this.cpt    = 0;
        this.start  = new Date();
        this.obj    = parent.frm[N];
        this.txt    = getElementsByClass(this.obj, 'div', 'text');
        this.img    = getElementsByClass(this.obj, 'img', 'diapo');
        this.bkg    = document.createElement('div');
        this.bkg.className = 'backgroundText';
        this.obj.insertBefore(this.bkg, this.txt);
        if (N == 0) this.obj.style.borderLeft = 'none';
        this.obj.style.left = Math.floor(this.x0) + 'px';
        setOpacity(this.img, parent.oP);
        /* ==== mouse events ==== */
        this.obj.parent = this;
        this.obj.onmouseover = function() {
            this.parent.over();
            return false;
        }
    }
    Slide.prototype = {
        /* ==== target positions ==== */
        calc : function() {
            var that = this.parent;
            // left slides
            for (var i = 0; i <= this.N; i++) {
                that.slides[i].x1 = i * that.Z;
            }
            // right slides
            for (var i = this.N + 1; i < that.NF; i++) {
                that.slides[i].x1 = that.wh - (that.NF - i) * that.Z;
            }
        },
        /* ==== HTML animation : move slides ==== */
        move : function() {
            var that = this.parent;
            var s = (this.x1 - this.x0) / that.S;
            /* ==== lateral slide ==== */
            if (this.N && Math.abs(s) > .5) {
                this.obj.style.left = Math.floor(this.x0 += s) + 'px';
            }
            /* ==== vertical text ==== */
            var v = (this.N < that.NF - 1) ? that.slides[this.N + 1].x0 - this.x0 : that.wh - this.x0;
            if (Math.abs(v - this.v) > .5) {
                this.bkg.style.top = this.txt.style.top = Math.floor(2 + that.ht - (v - that.Z) * that.iH * that.r) + 'px';
                this.v = v;
                this.cpt++;
            } else {
                if (!this.pro) {
                    /* ==== adjust speed ==== */
                    this.pro = true;
                    var tps = new Date() - this.start;
                    if(this.cpt > 1) {
                        that.S = Math.max(2, (28 / (tps / this.cpt)) * that.S0);
                    }
                }
            }
            if (!this.loaded) {
                if (this.img.complete) {
                    this.img.style.visibility = 'visible';
                    this.loaded = true;
                }
            }
        },
        /* ==== light ==== */
        over : function () {
            this.parent.resize();
            this.parent.over = true;
            setOpacity(this.parent.view.img, this.parent.oP);
            this.parent.view = this;
            this.start = new Date();
            this.cpt = 0;
            this.pro = false;
            this.calc();
            setOpacity(this.img, 100);
        }
    }
    /* ==== public method - script initialization ==== */
    return {
        init : function() {
            // create instances of sliders here
            // parameters : HTMLcontainer name, speed (2 fast - 20 slow), Horizontal ratio, vertical text ratio, opacity
            this.s1 = new Slider("slider", 12, 1.84/3, 1/3.2, 70);
            setInterval("slider.s1.run();", 16);
        }
    }
}();

//갤러리 소스
var imf = function () {
    /* //////////// ==== private methods ==== //////////// */
    var lf = 0;
    var instances = [];
    /* ===== custom getElementsByClass ==== */
    function getElementsByClass (object, tag, className) {
        var o = object.getElementsByTagName(tag);
        for ( var i = 0, n = o.length, ret = []; i < n; i++)
            if (o[i].className == className) ret.push(o[i]);
        if (ret.length == 1) ret = ret[0];
        return ret;
    }
    /* ===== crossbrowsers addEvent ==== */
    function addEvent (o, e, f) {
        if (window.addEventListener) o.addEventListener(e, f, false);
        else if (window.attachEvent) r = o.attachEvent('on' + e, f);
    }
    /* ===== create image reflexion ==== */
    function createReflexion (cont, img) {
        var flx = false;
        if (document.createElement("canvas").getContext) {
            /* ---- canvas ---- */
            flx = document.createElement("canvas");
            flx.width = img.width;
            flx.height = img.height;
            var context = flx.getContext("2d");
            context.translate(0, img.height);
            context.scale(1, -1);
            context.drawImage(img, 0, 0, img.width, img.height);
            flx.style.opacity = '0.35';
        } else {
            /* ---- DXImageTransform ---- */
            flx     = document.createElement('img');
            flx.src = img.src;
            flx.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(' +
                               'opacity=50, style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy=' +
                               (img.height * .25) + ')';
        }
        /* ---- insert Reflexion ---- */
        flx.style.position = 'absolute';
        flx.style.left     = '-1000px';
        cont.appendChild(flx);
        return flx;
    }
    /* //////////// ==== ImageFlow Constructor ==== //////////// */
    function ImageFlow(oCont, horizon, size, zoom, border, start, interval) {
        this.diapos     = [];
        this.scr        = false;
        this.size       = size;
        this.zoom       = zoom;
        this.horizon    = horizon;
        this.bdw        = border;
        this.oCont      = oCont;
        this.oc         = document.getElementById(oCont);
        this.scrollbar  = getElementsByClass(this.oc,   'div', 'scrollbar');
        this.text       = getElementsByClass(this.oc,   'div', 'text');
        this.title      = getElementsByClass(this.text, 'div', 'title');
        this.legend     = getElementsByClass(this.text, 'div', 'legend');
        this.bar        = getElementsByClass(this.oc,   'img', 'bar');
        this.arL        = getElementsByClass(this.oc,   'img', 'arrow-left');
        this.arR        = getElementsByClass(this.oc,   'img', 'arrow-right');
        this.bw         = this.bar.width;
        this.alw        = this.arL.width - 5;
        this.arw        = this.arR.width - 5;
        this.bar.parent = this.oc.parent  = this;
        this.arL.parent = this.arR.parent = this;
        this.view       = this.back       = -1;
        this.time_start = start * 62.5 || 0;
        this.time_inter = interval * 62.5 || 0;
        this.time_out   = this.time_start;
        this.time       = 0;
        this.time_dir   = 1;
        this.resize();
        this.oc.onselectstart = function () { return false; }
        /* ---- create images ---- */
        var img   = getElementsByClass(this.oc, 'div', 'bank').getElementsByTagName('a');
        this.NF = img.length;
        for (var i = 0, o; o = img[i]; i++) {
            this.diapos[i] = new Diapo(this, i,
                                        o.href,
                                        o.title || '- ' + i + ' -',
                                        o.innerHTML || o.href,
                                        o.rel || '',
                                        o.target || '_self'
            );
        }
        /* ==== add mouse wheel events ==== */
        if (window.addEventListener)
            this.oc.addEventListener('DOMMouseScroll', function(e) {
                this.parent.scroll(-e.detail);
                return false;
            }, false);
        this.oc.onmousewheel = function () {
            this.parent.scroll(event.wheelDelta);
            return false;
        }
        /* ==== scrollbar drag N drop ==== */
        this.bar.onmousedown = function (e) {
            if (!e) e = window.event;
            var scl = e.screenX - this.offsetLeft;
            var self = this.parent;
            /* ---- move bar ---- */
            this.parent.oc.onmousemove = function (e) {
                if (!e) e = window.event;
                self.bar.style.left = Math.round(Math.min((self.ws - self.arw - self.bw), Math.max(self.alw, e.screenX - scl))) + 'px';
                self.view = Math.round(((e.screenX - scl) ) / (self.ws - self.alw - self.arw - self.bw) * (self.NF-1));
                if (self.view != self.back) self.calc();
                return false;
            }
            /* ---- release scrollbar ---- */
            this.parent.oc.onmouseup = function (e) {
                self.oc.onmousemove = null;
                return false;
            }
            return false;
        }
        /* ==== right arrow ==== */
        this.arR.onclick = this.arR.ondblclick = function () {
            if (this.parent.view < this.parent.NF - 1)
                this.parent.calc(1);
        }
        /* ==== Left arrow ==== */
        this.arL.onclick = this.arL.ondblclick = function () {
            if (this.parent.view > 0)
                this.parent.calc(-1);
        }
    }
    /* //////////// ==== ImageFlow prototype ==== //////////// */
    ImageFlow.prototype = {
        /* ==== targets ==== */
        calc : function (inc) {
            if (inc) {
                this.view += inc;
                /* ---- stop autoscroll ---- */
                this.time = 0;
                this.time_out = this.time_start;
            }
            var tw = 0;
            var lw = 0;
            var o = this.diapos[this.view];
            if (o && o.loaded) {
                /* ---- reset ---- */
                var ob = this.diapos[this.back];
                if (ob && ob != o) {
                    ob.img.className = 'diapo';
                    ob.z1 = 1;
                }
                /* ---- update legend ---- */
                this.title.replaceChild(document.createTextNode(o.title), this.title.firstChild);
                this.legend.replaceChild(document.createTextNode(o.text), this.legend.firstChild);
                /* ---- update hyperlink ---- */
                if (o.url) {
                    o.img.className = 'diapo link';
                    window.status = 'hyperlink: ' + o.url;
                } else {
                    o.img.className = 'diapo';
                    window.status = '';
                }
                /* ---- calculate target sizes & positions ---- */
                if(o.r < 1) o.w1 = Math.min(o.iw, this.wh * .8, Math.round(this.ht * this.horizon / o.r)) * o.z1;
                else o.w1 = Math.round(this.ht * this.horizon / o.r) * o.z1;
                var x0 = o.x1 = (this.wh * .5) - (o.w1 * .5);
                var x = x0 + o.w1 + this.bdw;
                for (var i = this.view + 1, o; o = this.diapos[i]; i++) {
                    if (o.loaded) {
                        o.x1 = x;
                        o.w1 = (this.ht / o.r) * this.size;
                        x   += o.w1 + this.bdw;
                        tw  += o.w1 + this.bdw;
                    }
                }
                x = x0 - this.bdw;
                for (var i = this.view - 1, o; o = this.diapos[i]; i--) {
                    if (o.loaded) {
                        o.w1 = (this.ht / o.r) * this.size;
                        o.x1 = x - o.w1;
                        x   -= o.w1 + this.bdw;
                        tw  += o.w1 + this.bdw;
                        lw  += o.w1 + this.bdw;
                    }
                }
                /* ---- move scrollbar ---- */
                if (!this.scr && tw) {
                    var r = (this.ws - this.alw - this.arw - this.bw) / tw;
                    this.bar.style.left = Math.round(this.alw + lw * r) + 'px';
                }
                /* ---- save preview view ---- */
                this.back = this.view;
            }
        },
        /* ==== mousewheel scrolling ==== */
        scroll : function (sc) {
            if (sc < 0) {
                if (this.view < this.NF - 1) this.calc(1);
            } else {
                if (this.view > 0) this.calc(-1);
            }
        },
        /* ==== resize  ==== */
        resize : function () {
            this.wh = this.oc.clientWidth;
            this.ht = this.oc.clientHeight;
            this.ws = this.scrollbar.offsetWidth;
            this.calc();
            this.run(true);
        },
        /* ==== animation loop ==== */
        run : function (res) {
            /* ---- move all images ---- */
            var i = this.NF;
            while (i--) this.diapos[i].move(res);
            /* ---- autoscroll ---- */
            if (this.time_out) {
                this.time++;
                if (this.time > this.time_out) {
                    this.view += this.time_dir;
                    if (this.view >= this.NF || this.view < 0) {
                        this.time_dir = -this.time_dir;
                        this.view += this.time_dir * 2;
                    }
                    this.calc();
                    this.time = 0;
                    this.time_out = this.time_inter;
                }
            }
        }
    }
    /* //////////// ==== Diapo Constructor ==== //////////// */
    Diapo = function (parent, N, src, title, text, url, target) {
        this.parent        = parent;
        this.loaded        = false;
        this.title         = title;
        this.text          = text;
        this.url           = url;
        this.target        = target;
        this.N             = N;
        this.img           = document.createElement('img');
        this.img.src       = src;
        this.img.parent    = this;
        this.img.className = 'diapo';
        this.x0            = this.parent.oc.clientWidth;
        this.x1            = this.x0;
        this.w0            = 0;
        this.w1            = 0;
        this.z1            = 1;
        this.img.parent    = this;
        this.img.onclick   = function() { this.parent.click(); }
        this.parent.oc.appendChild(this.img);
        /* ---- display external link ---- */
        if (url) {
            this.img.onmouseover = function () { this.className = 'diapo link';    }
            this.img.onmouseout  = function () { this.className = 'diapo'; }
        }
    }
    /* //////////// ==== Diapo prototype ==== //////////// */
    Diapo.prototype = {
        /* ==== HTML rendering ==== */
        move : function (res) {
            var that = this.parent;
            if (this.loaded) {
                var sx = this.x1 - this.x0;
                var sw = this.w1 - this.w0;
                if (Math.abs(sx) > 2 || Math.abs(sw) > 2 || res) {
                    /* ---- paint only when moving ---- */
                    this.x0 += sx * .1;
                    this.w0 += sw * .1;
                    if (this.x0 < that.wh && this.x0 + this.w0 > 0) {
                        /* ---- paint only visible images ---- */
                        this.visible = true;
                        var o = this.img.style;
                        var h = this.w0 * this.r;
                        /* ---- diapo ---- */
                        o.left   = Math.round(this.x0) + 'px';
                        o.bottom = Math.floor(that.ht * (1 - that.horizon)) + 'px';
                        o.width  = Math.round(this.w0) + 'px';
                        o.height = Math.round(h) + 'px';
                        /* ---- reflexion ---- */
                        if (this.flx) {
                            var o = this.flx.style;
                            o.left   = Math.round(this.x0) + 'px';
                            o.top    = Math.ceil(that.ht * that.horizon + 1) + 'px';
                            o.width  = Math.round(this.w0) + 'px';
                            o.height = Math.round(h) + 'px';
                        }
                    } else {
                        /* ---- disable invisible images ---- */
                        if (this.visible) {
                            this.visible = false;
                            this.img.style.width = '0px';
                            if (this.flx) this.flx.style.width = '0px';
                        }
                    }
                }
            } else {
                /* ==== image onload ==== */
                if (this.img.complete && this.img.width) {
                    /* ---- get size image ---- */
                    this.iw     = this.img.width;
                    this.ih     = this.img.height;
                    this.r      = this.ih / this.iw;
                    this.loaded = true;
                    /* ---- create reflexion ---- */
                    this.flx    = createReflexion(that.oc, this.img);
                    if (that.view < 0) that.view = this.N;
                    else if (this.N == 0) that.view = this.N;
                    that.calc();
                }
            }
        },
        /* ==== diapo onclick ==== */
        click : function () {
            /* ---- stop autoscroll ---- */
            this.parent.time = 0;
            this.parent.time_out = this.parent.time_start;
            if (this.parent.view == this.N) {
                /* ---- click on zoomed diapo ---- */
                if (this.url) {
                    /* ---- open hyperlink ---- */
                    window.open(this.url, this.target);
                } else {
                    /* ---- zoom in/out ---- */
                    this.z1 = this.z1 == 1 ? this.parent.zoom : 1;
                    this.parent.calc();
                }
            } else {
                /* ---- select diapo ---- */
                this.parent.view = this.N;
                this.parent.calc();
            }
            return false;
        }
    }
    /* //////////// ==== public methods ==== //////////// */
    return {
        /* ==== initialize script ==== */
        create : function (div, horizon, size, zoom, border, start, interval) {
            /* ---- instanciate imageFlow ---- */
            var load = function () {
                var loaded = false;
                var i = instances.length;
                while (i--) if (instances[i].oCont == div) loaded = true;
                if (!loaded) {
                    /* ---- push new imageFlow instance ---- */
                    instances.push(
                        new ImageFlow(div, horizon, size, zoom, border, start, interval)
                    );
                    /* ---- init script (once) ---- */
                    if (!imf.initialized) {
                        imf.initialized = true;
                        /* ---- window resize event ---- */
                        addEvent(window, 'resize', function () {
                            var i = instances.length;
                            while (i--) instances[i].resize();
                        });
                        /* ---- stop drag N drop ---- */
                        addEvent(document.getElementById(div), 'mouseout', function (e) {
                            if (!e) e = window.event;
                            var tg = e.relatedTarget || e.toElement;
                            if (tg && tg.tagName == 'HTML') {
                                var i = instances.length;
                                while (i--) instances[i].oc.onmousemove = null;
                            }
                            return false;
                        });
                        /* ---- set interval loop ---- */
                        setInterval(function () {
                            var i = instances.length;
                            while (i--) instances[i].run();
                        }, 16);
                    }
                }
            }
            /* ---- window onload event ---- */
            addEvent(window, 'load', function () { load(); });
        }
    }
}();

/* ==== create imageFlow ==== */
//          div ID, horizon, size, zoom, border, autoscroll_start, autoscroll_interval
imf.create("imageFlow", 0.75, 0.15, 1.8, 10, 8, 4);