/**
* Mapbox, the jQuery Map
* jQuery Map Plugin
* Version 0.6.0 beta
* Author Abel Mohler
* Released with the MIT License: http://www.opensource.org/licenses/mit-license.php
*/
(function ($) {// jQuery.noConflict compliant
    $.fn.mapbox = function (o, callback) {


        var defaults = {
            zoom: true, // does map zoom?
            pan: true, // does map move side to side and up to down?
            defaultLayer: 0, // starting at 0, which layer shows up first
            layerSplit: 4, // how many times to split each layer as a zoom level
            mapContent: ".mapcontent", // the name of the class on the content inner layer
            defaultX: null, // default positioning on X-axis
            defaultY: null, // default positioning on Y-axis
            zoomToCursor: true, // if true, position on the map where the cursor is set will stay the same relative distance from the edge when zooming
            doubleClickZoom: false, // if true, double clicking zooms to mouse position
            clickZoom: false, // if true, clicking zooms to mouse position
            doubleClickZoomOut: false, // if true, double clicking zooms out to mouse position
            clickZoomOut: false, // if true, clicking zooms out to mouse position
            doubleClickMove: false, // if true, double clicking moves the map to the cursor position
            clickMove: false, // if true, clicking moves the map to the cursor position
            doubleClickDistance: 1, // number of positions (determined by layerSplit) to move on a double-click zoom event
            clickDistance: 1, // number of positions (determined by layerSplit) to move on a click zoom event
            callBefore: function (layer, xcoord, ycoord, viewport) { }, // this callback happens before dragging of map starts
            callAfter: function (layer, xcoord, ycoord, viewport) { }, // this callback happens at end of drag after map is released "mouseup"
            beforeZoom: function (layer, xcoord, ycoord, viewport, distance) { }, // callback before a zoom happens
            afterZoom: function (layer, xcoord, ycoord, viewport) { }, // callback after zoom has completed
            mousewheel: false // requires mousewheel event plugin: http://plugins.jquery.com/project/mousewheel

        };

        function mydistobject() { this.value = 0; }

        if (typeof callback == "function") { o.callAfter = callback; }
        var command, arg = arguments;
        if (typeof o == "string") {
            command = o; //command passes "methods" such as "zoom", "left", etc.
        }

        o = $.extend(defaults, o || {}); //inherit properties

        $(this).css({
            overflow: "hidden",
            position: "relative"
        });

        function _zoom(distance) {

            if (!o.zoom) {
                return false;
            }
            if (distance === 0) {
                distance = 0;
            }
            else {
                distance = distance || 1;
            }
            //wbc
            var mydist = new mydistobject();
            mydist.value = distance;

            var layers = $(this).find(">div"), limit = layers.length - 1, current = $(this).find(".current-map-layer");
            if (typeof o.beforeZoom == "function") {
                o.beforeZoom(current[0], this.xPos, this.yPos, this, mydist);
                distance = mydist.value;
            }



            var move = this.visible, eq = move;
            move += (distance / o.layerSplit);
            if (move < 0) {
                move = 0;
            }
            if (move > limit) {
                move = limit;
            }
            eq = Math.ceil(move);
            var movement = (this.visible == move) ? false : true;
            this.visible = move;

            var oldWidth = current.width(), oldHeight = current.height();
            var xPercent = (($(this).width() / 2) + this.xPos) / oldWidth,
            yPercent = (($(this).height() / 2) + this.yPos) / oldHeight;

            if ((o.layerSplit > 1 && eq > 0)) {
                var percent = move - (eq - 1), thisX = layers.eq(eq)[0].defaultWidth, thisY = layers.eq(eq)[0].defaultHeight, lastX = layers.eq(eq - 1).width(), lastY = layers.eq(eq - 1).height();
                var differenceX = thisX - lastX, differenceY = thisY - lastY, totalWidth = lastX + (differenceX * percent), totalHeight = lastY + (differenceY * percent);
            }
            if (o.layerSplit > 1 && eq > 0) {
                layers.eq(eq).width(totalWidth).find(".map-layer-mask").width(totalWidth).height(totalHeight);
                layers.eq(eq).height(totalHeight).find(o.mapContent).width(totalWidth).height(totalHeight);
            }

            //left and top adjustment for new zoom level
            var newLeft = (layers.eq(eq).width() * xPercent) - ($(this).width() / 2),
            newTop = (layers.eq(eq).height() * yPercent) - ($(this).height() / 2);

            newLeft = 0 - newLeft;
            newTop = 0 - newTop;

            var limitX = $(this).width() - layers.eq(eq).width(),
            limitY = $(this).height() - layers.eq(eq).height();

            if (newLeft > 0) {
                newLeft = 0;
            }
            if (newTop > 0) {
                newTop = 0;
            }
            if (newLeft < limitX) {
                newLeft = limitX;
            }
            if (newTop < limitY) {
                newTop = limitY;
            }
            this.xPos = 0 - newLeft;
            this.yPos = 0 - newTop;

            function doCallback() {
                if (typeof o.afterZoom == "function") {
                    o.afterZoom(layers.eq(eq)[0], this.xPos, this.yPos, this);
                }
            }

            layers.removeClass("current-map-layer").hide();
            layers.eq(eq).css({
                left: newLeft + "px",
                top: newTop + "px",
                display: "block"
            }).addClass("current-map-layer");
            doCallback();

            return movement;
        }

        function _move(x, y, node) {
            node = node || $(this).find(".current-map-layer");
            var limitX = 0, limitY = 0, mapWidth = $(this).width(), mapHeight = $(this).height(),
            nodeWidth = $(node).width(), nodeHeight = $(node).height();

            if (mapWidth < nodeWidth) {
                limitX = mapWidth - nodeWidth;
            }
            if (mapHeight < nodeHeight) {
                limitY = mapHeight - nodeHeight;
            }
            var left = 0 - (this.xPos + x), top = 0 - (this.yPos + y);

            left = (left > 0) ? 0 : left;
            left = (left < limitX) ? limitX : left;
            top = (top > 0) ? 0 : top;
            top = (top < limitY) ? limitY : top;

            this.xPos = 0 - left;
            this.yPos = 0 - top;

            $(node).css({
                left: left + "px",
                top: top + "px"
            });
        }

        function _position(x, y, node) {
            node = node || $(this).find(".current-map-layer");

            x = 0 - x;
            y = 0 - y;

            var limitX = 0 - ($(node).width() - $(this).width());
            var limitY = 0 - ($(node).height() - $(this).height());

            if (x > 0) {
                x = 0;
            }
            if (y > 0) {
                y = 0;
            }
            if (x < limitX) {
                x = limitX;
            }
            if (y < limitY) {
                y = limitY;
            }

            this.xPos = 0 - x;
            this.yPos = 0 - y;

            $(node).css({
                left: x + "px",
                top: y + "px"
            });
        }

        function _makeCoords(s) {
            s = s.replace(/px/, "");
            s = 0 - s;
            return s;
        }

        var method = {//public methods
            zoom: function (distance) {
                distance = distance || 1;
                _zoom.call(this, distance);
            },
            back: function (distance) {
                distance = distance || 1;
                _zoom.call(this, 0 - distance);
            },
            left: function (amount) {
                amount = amount || 10;
                _move.call(this, 0 - amount, 0);
            },
            right: function (amount) {
                amount = amount || 10;
                _move.call(this, amount, 0);
            },
            up: function (amount) {
                amount = amount || 10;
                _move.call(this, 0, 0 - amount);
            },
            down: function (amount) {
                amount = amount || 10;
                _move.call(this, 0, amount);
            },
            center: function (coords) {
                coords = coords || {
                    x: $(this).find(".current-map-layer").width() / 2,
                    y: $(this).find(".current-map-layer").height() / 2
                };
                var node = $(this).find(".current-map-layer");
                var newX = coords.x - ($(this).width() / 2), newY = coords.y - ($(this).height() / 2);
                _position.call(this, newX, newY, node[0]);
            },
            zoomTo: function (level) {
                var distance = Math.round((level - this.visible) / (1 / this.layerSplit));
                _zoom.call(this, distance);
            }
        };

        return this.each(function () {
            if (typeof command == "string") {//execute public methods if called
                var execute = method[command];
                o.layerSplit = this.layerSplit || o.layerSplit;
                execute.call(this, callback);
            }
            else {
                this.visible = o.defaultLayer;
                this.layerSplit = o.layerSplit;
                var viewport = this, layers = $(this).find(">div"), mapHeight = $(this).height(), mapWidth = $(this).width(), mapmove = false, first = true;
                layers.css({
                    position: "absolute"
                }).eq(o.defaultLayer).css({
                    display: "block",
                    left: "",
                    top: ""
                }).addClass("current-map-layer").find(o.mapContent).css({
                    position: "absolute",
                    left: "0",
                    top: "0",
                    height: mapHeight + "px",
                    width: "100%"
                });

                layers.each(function () {
                    this.defaultWidth = $(this).width();
                    this.defaultHeight = $(this).height();
                    $(this).find(o.mapContent).css({
                        position: "absolute",
                        top: "0",
                        left: "0"
                    });
                    if ($(this).find(o.mapContent).length > 0) {
                        $(this).find(">img").css({
                            width: "100%",
                            position: "absolute",
                            left: "0",
                            top: "0"
                        }).after('<div class="map-layer-mask"></div>');
                    }
                });


                $(this).find(".map-layer-mask").css({
                    position: "absolute",
                    left: "0",
                    top: "0",
                    background: "white", // omg, horrible hack,
                    opacity: "0", // but only way IE will not freak out when
                    filter: "alpha(opacity=0)"// mouseup over IMG tag occurs after mousemove event
                });

                if (o.defaultLayer > 0) {
                    layers.eq(o.defaultLayer).find(".map-layer-mask").width(layers.eq(o.defaultLayer).width()).height(layers.eq(o.defaultLayer).height());
                    layers.eq(o.defaultLayer).find(o.mapContent).width(layers.eq(o.defaultLayer).width()).height(layers.eq(o.defaultLayer).height());
                }

                $(this).find(">div:not(.current-map-layer)").hide();
                if (o.defaultX === null) {
                    o.defaultX = Math.floor((mapWidth / 2) - ($(this).find(".current-map-layer").width() / 2));
                    if (o.defaultX > 0) {
                        o.defaultX = 0;
                    }
                }
                if (o.defaultY === null) {
                    o.defaultY = Math.floor((mapHeight / 2) - ($(this).find(".current-map-layer").height() / 2));
                    if (o.defaultY > 0) {
                        o.defaultY = 0;
                    }
                }

                this.xPos = 0 - o.defaultX;
                this.yPos = 0 - o.defaultY;
                this.layerSplit = o.layerSplit;

                var mapStartX = o.defaultX;
                var mapStartY = o.defaultY;
                var clientStartX;
                var clientStartY;

                $(this).find(".current-map-layer").css({
                    left: o.defaultX + "px",
                    top: o.defaultY + "px"
                });

                /**
                * Event Handling and Callbacks
                */

                var weveMoved = false;

                $(this).mousedown(function () {
                    var layer = $(this).find(".current-map-layer");
                    var x = layer[0].style.left, y = layer[0].style.top;
                    x = _makeCoords(x);
                    y = _makeCoords(y);
                    o.callBefore(layer, x, y, viewport);
                    mapmove = true;
                    first = true;
                    return false; //otherwise dragging on IMG elements etc inside the map will cause problems
                });

                $(document).mouseup(function () {
                    var layer = $(viewport).find(".current-map-layer");
                    var x = layer[0].style.left, y = layer[0].style.top;
                    x = _makeCoords(x);
                    y = _makeCoords(y);
                    o.callAfter(layer, x, y, viewport);
                    mapmove = false;
                    if (weveMoved) {
                        clickDefault = false;
                    }
                    weveMoved = false;
                    return false;
                });

                $(document).mousemove(function (e) {
                    var layer = $(viewport).find(".current-map-layer");
                    if (mapmove && o.pan) {
                        if (first) {
                            clientStartX = e.clientX;
                            clientStartY = e.clientY;
                            mapStartX = layer[0].style.left.replace(/px/, "");
                            mapStartY = layer[0].style.top.replace(/px/, "");
                            first = false;
                        }
                        else {
                            weveMoved = true;
                        }
                        var limitX = 0, limitY = 0;
                        if (mapWidth < layer.width()) {
                            limitX = mapWidth - layer.width();
                        }
                        if (mapHeight < layer.height()) {
                            limitY = mapHeight - layer.height();
                        }
                        var mapX = mapStartX - (clientStartX - e.clientX);
                        mapX = (mapX > 0) ? 0 : mapX;
                        mapX = (mapX < limitX) ? limitX : mapX;
                        var mapY = mapStartY - (clientStartY - e.clientY);
                        mapY = (mapY > 0) ? 0 : mapY;
                        mapY = (mapY < limitY) ? limitY : mapY;
                        layer.css({
                            left: mapX + "px",
                            top: mapY + "px"
                        });
                        viewport.xPos = _makeCoords(layer[0].style.left);
                        viewport.yPos = _makeCoords(layer[0].style.top);
                    }
                });

                if (o.mousewheel && typeof $.fn.mousewheel != "undefined") {
                    $(viewport).mousewheel(function (e, distance) {
                        if (o.zoomToCursor) {
                            //should probably DRY this.
                            var layer = $(this).find('.current-map-layer'),
                            positionTop = e.pageY - layer.offset().top, //jQuery normalizes pageX and pageY for us.
                            positionLeft = e.pageX - layer.offset().left,
                            //recalculate this position on current layer as a percentage
                            relativeTop = e.pageY - $(this).offset().top,
                            relativeLeft = e.pageX - $(this).offset().left,
                            percentTop = positionTop / layer.height(),
                            percentLeft = positionLeft / layer.width();
                        }
                        if (_zoom.call(this, distance) && o.zoomToCursor/* && distance > 0*/) {
                            //only center when zooming in, since it feels weird on out.  Don't center if we've reached the floor
                            //convert percentage to pixels on new layer
                            layer = $(this).find('.current-map-layer');
                            var x = layer.width() * percentLeft,
                            y = layer.height() * percentTop;
                            //and set position
                            _position.call(this, x - relativeLeft, y - relativeTop, layer[0]);
                        }
                        return false; //don't scroll the window
                    });
                }

                var clickTimeoutId = setTimeout(function () { }, 0), clickDefault = true;

                if (o.doubleClickZoom || o.doubleClickZoomOut || o.doubleClickMove) {
                    $(viewport).dblclick(function (e) {
                        //TODO: DRY this
                        //prevent single-click default
                        clearTimeout(clickTimeoutId);
                        clickDefault = false;
                        var layer = $(this).find('.current-map-layer'),
                        positionTop = e.pageY - layer.offset().top, //jQuery normalizes pageX and pageY for us.
                        positionLeft = e.pageX - layer.offset().left,
                        //recalculate this position on current layer as a percentage
                        percentTop = positionTop / layer.height(),
                        percentLeft = positionLeft / layer.width();
                        if (o.doubleClickZoom) {
                            distance = o.doubleClickDistance;
                        }
                        else if (o.doubleClickZoomOut) {
                            distance = 0 - o.doubleClickDistance;
                        }
                        else {
                            distance = 0;
                        }
                        _zoom.call(this, distance);
                        //convert percentage to pixels on new layer
                        layer = $(this).find('.current-map-layer');
                        var x = layer.width() * percentLeft,
                        y = layer.height() * percentTop;
                        //and center
                        method.center.call(this, { x: x, y: y });
                        return false;
                    });
                }

                if (o.clickZoom || o.clickZoomOut || o.clickMove) {

                    $(viewport).click(function (e) {
                        function clickAction() {
                            if (clickDefault) {
                                //TODO: DRY this
                                var layer = $(this).find('.current-map-layer'),
                                positionTop = e.pageY - layer.offset().top, //jQuery normalizes pageX and pageY for us.
                                positionLeft = e.pageX - layer.offset().left,
                                //recalculate this position on current layer as a percentage
                                percentTop = positionTop / layer.height(),
                                percentLeft = positionLeft / layer.width();
                                var distance;
                                if (o.clickZoom) {
                                    distance = o.clickDistance;
                                }
                                else if (o.clickZoomOut) {
                                    distance = 0 - o.clickDistance;
                                }
                                else {
                                    distance = 0;
                                }
                                _zoom.call(this, distance);
                                //convert percentage to pixels on new layer
                                layer = $(this).find('.current-map-layer');
                                var x = layer.width() * percentLeft,
                                y = layer.height() * percentTop;
                                //and center
                                method.center.call(this, { x: x, y: y });
                            }
                            clickDefault = true;
                        }
                        if (o.doubleClickZoom || o.doubleClickZoomOut || o.doubleClickMove) {
                            //if either of these are registered we need to set the clickAction
                            //into a timeout so that a double click clears it
                            clickTimeoutId = setTimeout(function () { clickAction.call(viewport); }, 400);
                        }
                        else {
                            clickAction.call(this);
                        }
                    });
                }

                /**
                *  End Event Handling and Callbacks
                */

                //deferred, load images in hidden layers
                $(window).load(function () {
                    layers.each(function () {
                        var img = $(this).find("img")[0];
                        if (typeof img == "object") {
                            $("<img>").attr("src", img.src);
                        }
                    });
                });
            }
        });


    };
})(jQuery);

//#region WBC-Custom
var doZoom = true;var hidezoombuttons = false;var currZoomMultiplier = 3; var ssrunning = false; var currZoom = 0; var maxZoom = 2; var gu = true; var currSlideIndex = 0; var currViewport = "#viewport1"; var currTid; var currSSArr; var currSlideDelay = 2000; var tz = false;
jQuery.fn.exists = function () { return jQuery(this).length > 0; };

$(document).ready(function () {
    $(".vp").addClass("zi");
    setViewPort();
    $('.vp').mousedown(function () { if (doZoom) { $('.vp').removeClass("zi").removeClass("zo").removeClass("nozoomcursor").addClass("grab"); } else { $('.vp').removeClass("zi").removeClass("zo").removeClass("grab").addClass("nozoomcursor"); } });
    $('.vp').mouseup(function () {
        $('.vp').removeClass("grab");
        if (gu) {
            if (currZoom != maxZoom) {
                $('.vp').addClass("zi");
            } else {
                $('.vp').addClass("zo");
            }
        } else {
            if (currZoom !== 0) {
                $('.vp').addClass("zo");
            } else {
                $('.vp').addClass("zi");
            }
        }
        if (!doZoom) {
            $('.vp').removeClass("zi").removeClass("zo").removeClass("grab").addClass("nozoomcursor");
        }
    });

    $("[si]").click(function () {
        $("[id^='zoombuttons']").show(); doZoom = true; var si = $(this).attr("si"); si = si * 1;
        if ($(this).attr("nz")) {
            doZoom = false; $("[id^='zoombuttons']").hide(); 
        }
        changeImage(imgs[si][0], imgs[si][1], true);
        currSlideIndex = si;
        if ($(this).attr("si") === 0) {
            $("#olay").show();
        } else {
            $("#olay").hide();
        }
        return false;
    });


    if (typeof (imgs) == "undefined") {
        $("#ssbutton").hide(); hidezoombuttons = true;
    } else {
        if (imgs.length <= 1) {
            $("#ssbutton").hide();
        }
    }



    $("#zoombuttons span").click(function () {
        if ($(this).hasClass("zibutton")) {
            zoomInOut(true); 
        }
        else if ($(this).hasClass("zobutton")) {
            zoomInOut(false); 
        }
        else if ($(this).hasClass("ssbutton") || $(this).hasClass("ssbuttonpause")) {
            slideShow(); 
        }
        return false;
    });


    $("[id^='zoombuttons']").show();
    if (hidezoombuttons === true) {
        $("[id*='zoombuttons']").hide(); 
    }

    $(".btnfirst").click(function (event) { event.preventDefault(); previousImage(true); });
    $(".btnprevious").click(function (event) { event.preventDefault(); previousImage(); });
    $(".btnnext").click(function (event) { event.preventDefault(); nextImage(); });
    $(".btnlast").click(function (event) { event.preventDefault(); nextImage(true); });
    if ($(".vlbutton").length) {
        $(".vlbutton").click(function () { viewLarger(); });
    }
    if ($(".mibutton").length) {
        $(".mibutton").click(function () { viewLarger(); });
    }



});

function stopSlideShow() {
    if (currSlideIndex == imgs.length) {
        currSlideIndex = 0;
    }
    clearInterval(currTid);
    ssrunning = false;
    $("#ssbutton").removeClass("ssbuttonpause").addClass("ssbutton");
    if (currSlideIndex - 1 === 0) {
        $("#olay").show();
    }  
}

function slideShow() {
    if (ssrunning) {
        stopSlideShow();
    } else {
        ssrunning = true;
        $("#olay").hide();
        currSlideIndex = currSlideIndex + 1;
        if (currSlideIndex == imgs.length) {
            currSlideIndex = 0;
        }
        changeImage(imgs[currSlideIndex][0], imgs[currSlideIndex][1]);
        currSlideIndex = currSlideIndex + 1; 
        if (currSlideIndex == imgs.length) {
            currSlideIndex = 0;
        }
        currTid = setInterval("doSlides()", currSlideDelay);
        $("#ssbutton").removeClass("ssbutton").addClass("ssbuttonpause");
    }
}

function doSlides() {    
    var last = imgs.length - 1;
    if (currSlideIndex > last) {
        currSlideIndex = 0; 
    }
    changeImage(imgs[currSlideIndex][0],imgs[currSlideIndex][1]);
    currSlideIndex = currSlideIndex + 1;
}

function nextImage(gtl) {
    stopSlideShow();
    var last = imgs.length - 1;
    if (gtl) {
        currSlideIndex = last;
    } else if (currSlideIndex == last) {
        return false;
    } else {
        currSlideIndex = currSlideIndex + 1; 
    }
    var nzcheck = "\"[nz='" + currSlideIndex + "']\"";
    if ($(nzcheck).exists()) {
        doZoom = false;
    } else {
        doZoom = true; 
    }
    changeImage(imgs[currSlideIndex][0], imgs[currSlideIndex][1], true);
    return false;
}

function previousImage(gtf) {
    stopSlideShow();
    if (gtf) {currSlideIndex = 0;}
    else if (currSlideIndex === 0) { return false; }
    else { currSlideIndex = currSlideIndex - 1; }

    var nzcheck = "\"[nz='" + currSlideIndex + "']\"";
    if ($(nzcheck).exists()) {
        doZoom = false;
    } else {
        doZoom = true; 
    }
    changeImage(imgs[currSlideIndex][0], imgs[currSlideIndex][1], true);
    return false;
}

function changeImage(main, zoom, ci) {
    if (ci) {
        stopSlideShow(); 
    }
    $('#vp1').css('background-image', 'url(' + main + ')');
    $('#vp1big').attr('src', zoom);
    $(currViewport).mapbox("back", 20);
    currZoom = 0;
    $(currViewport).addClass("zi").removeClass("grab").removeClass("zo").removeClass("nozoomcursor"); 
    $("[id^='zoombuttons']").show();

    if (!doZoom) {
        $(currViewport).removeClass("zi").removeClass("grab").removeClass("zo").addClass("nozoomcursor"); 
        $("[id^='zoombuttons']").hide(); 
    }
}

function setViewPort() {
    $(".vp").css("display", "none"); 
    $(currViewport).css("display", "block"); 
    currZoom = 0; gu = true;
    $(currViewport).mapbox({ zoom: true, pan: true, defaultLayer: 0, layerSplit: 8, clickDistance: 2, zoomToCursor: true, clickZoom: true, mousewheel: true, afterZoom: function(){aZoom();}, beforeZoom: function (layer, xcoord, ycoord, viewport, dist) { bZoom(layer, xcoord, ycoord, viewport, dist); } });
    $(currViewport).mapbox("back", 20);
    $(currViewport).removeClass("zo").removeClass("grab").addClass("zi");
}
function zoomInOut(In) {
    stopSlideShow();
    var viewport = $(currViewport);
    if (In) {
        gu = true; currZoom = currZoom + 1;
    } else {
        gu = false; currZoom = currZoom - 1; 
    }
    if (currZoom >= maxZoom) {
        currZoom = maxZoom; gu = false; viewport.removeClass("zi").removeClass("grab").addClass("zo"); 
    }
    else {
        if (currZoom <= 0) {
            currZoom = 0; gu = true; viewport.removeClass("zo").removeClass("grab").addClass("zi");
        } else {
            if (gu) {
                viewport.removeClass("zo").removeClass("grab").addClass("zi");
            } else {
                viewport.removeClass("zi").removeClass("grab").addClass("zo");
            } 
        }
    }
    viewport.mapbox("zoom", -20);
    if (currZoom > 0){ viewport.mapbox("zoom", currZoom * currZoomMultiplier); }
}
function bZoom(layer, xcoord, ycoord, vp, dist) {
    var viewport = $(currViewport);
    viewport.removeClass("nozoomcursor");
    if (dist.value < 0) { } else {
        stopSlideShow();
        if (currZoom === 0 || currZoom == maxZoom) {
            if (currZoom === 0) {
                gu = true; currZoom = currZoom + 1; viewport.removeClass("zo").removeClass("grab").addClass("zi"); 
            }
            if (currZoom == maxZoom || currZoom > maxZoom) {
                gu = false; currZoom = currZoom - 1; viewport.removeClass("zi").removeClass("grab").addClass("zo"); 
            }
        } else {
            if (currZoom > 0 && currZoom < maxZoom) {
                if (gu) {
                    currZoom = currZoom + 1; if (currZoom == maxZoom) {
                        viewport.removeClass("zi").removeClass("grab").addClass("zo"); 
                    } 
                } else {
                    currZoom = currZoom - 1; if (currZoom === 0) {
                        viewport.removeClass("zo").removeClass("grab").addClass("zi"); 
                    } 
                } 
            } 
        }
        viewport.mapbox("zoom", -20);
        $("#msg").text("currentZoom=" + currZoom + " gu=" + gu);

        if (currZoom > 0) { dist.value = currZoom * currZoomMultiplier; }
        else {
            if (currZoom === 0) {
                dist.value = -20; 
            } 
        }
    }
}


function aZoom() {
    if (!doZoom) {
        $(currViewport).mapbox("zoom", -20); currZoom = 0; $(currViewport).removeClass("zi").removeClass("grab").removeClass("zo").addClass("nozoomcursor"); 
    } 
}


//#endregion WBC-Customcode