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/*
 *  jQuery elevateZoom 3.0.8
 *  Demo's and documentation:
 *  www.elevateweb.co.uk/image-zoom
 *
 *  Copyright (c) 2012 Andrew Eades
 *  www.elevateweb.co.uk
 *
 *  Dual licensed under the GPL and MIT licenses.
 *  http://en.wikipedia.org/wiki/MIT_License
 *  http://en.wikipedia.org/wiki/GNU_General_Public_License
 */

if ( typeof Object.create !== 'function' ) {
    Object.create = function( obj ) {
        function F() {};
        F.prototype = obj;
        return new F();
    };
}

(function( $, window, document, undefined ) {
    var ElevateZoom = {
            init: function( options, elem ) {
                var self = this;
                self.elem = elem;
                self.$elem = $( elem );

                self.imageSrc = self.$elem.data("zoom-image") ? self.$elem.data("zoom-image") : ( self.$elem.attr("href") ? self.$elem.attr("href") : ( self.$elem.data("original") ? self.$elem.data("original") : self.$elem.attr("src") ) );
                self.options = $.extend( {}, $.fn.elevateZoom.options, options );

                //TINT OVERRIDE SETTINGS
                if(self.options.tint) {
                    self.options.lensColour = "none", //colour of the lens background
                    self.options.lensOpacity =  "1" //opacity of the lens
                }

                //INNER OVERRIDE SETTINGS
                if(self.options.zoomType == "inner") {self.options.showLens = false;}
                // INIT CONTAINER
                if (self.options.zoomContainer)
                    self.$container = $( self.options.zoomContainer );
                else
                    self.$container = $( 'body' );

                //Remove alt on hover
                self.$elem.parent().removeAttr('title').removeAttr('alt');
                self.zoomImage = self.imageSrc;
                self.refresh( 1 );

                //Create the image swap from the gallery 
                $('#'+self.options.gallery + ' a').on('click', function(e) { 
                    //Set a class on the currently active gallery image
                    if(self.options.galleryActiveClass){
                        $('#'+self.options.gallery + ' a').removeClass(self.options.galleryActiveClass);
                        $(this).addClass(self.options.galleryActiveClass);
                    }
                    //stop any link on the a tag from working
                    e.preventDefault();

                    //call the swap image function
                    if($(this).data("zoom-image")){self.zoomImagePre = $(this).data("zoom-image")}
                    else{self.zoomImagePre = $(this).data("image");}
                    self.swaptheimage($(this).data("image"), self.zoomImagePre);
                    return false;
                });
            },

            refresh: function( length ) {
                var self = this;
                setTimeout(function() {
                    self.fetch(self.imageSrc);
                }, length || self.options.refresh );
            },

            fetch: function(imgsrc) {
                //get the image
                var self = this;
                var newImg = new Image();
                newImg.onload = function() {
                    //set the large image dimensions - used to calculte ratio's
                    self.largeWidth = newImg.width;
                    self.largeHeight = newImg.height;
                    //once image is loaded start the calls
                    self.startZoom();
                    self.currentImage = self.imageSrc;
                    //let caller know image has been loaded
                    self.options.onZoomedImageLoaded(self.$elem);
                }

                newImg.src = imgsrc; // this must be done AFTER setting onload
                return;
            },

            startZoom: function( ) {
                var self = this;
                //get dimensions of the non zoomed image
                self.nzWidth = self.$elem.width();
                self.nzHeight = self.$elem.height();
                //activated elements
                self.isWindowActive = false;
                self.isLensActive = false;
                self.isTintActive = false;
                self.overWindow = false;    
                //CrossFade Wrappe
                if(self.options.imageCrossfade){
                    self.zoomWrap = self.$elem.wrap('<div style="height:'+self.nzHeight+'px;width:'+self.nzWidth+'px;" class="zoomWrapper" />');        
                    self.$elem.css('position', 'absolute'); 
                }
                self.zoomLock = 1;
                self.scrollingLock = false;
                self.changeBgSize = false;
                self.currentZoomLevel = self.options.zoomLevel;
                //get offset of the non zoomed image
                self.nzOffset = self.$elem.offset();
                //get offset of the container
                self.ctOffset = self.$container.offset();
                //calculate the width ratio of the large/small image
                self.widthRatio = (self.largeWidth/self.currentZoomLevel) / self.nzWidth;
                self.heightRatio = (self.largeHeight/self.currentZoomLevel) / self.nzHeight; 
                //if window zoom
                if(self.options.zoomType == "window") {
                    self.zoomWindowStyle = "overflow: hidden;"
                        + "background-position: 0px 0px;text-align:center;"  
                        + "background-color: " + String(self.options.zoomWindowBgColour)            
                        + ";width: " + String(self.options.zoomWindowWidth) + "px;"
                        + "height: " + String(self.options.zoomWindowHeight)
                        + "px;float: left;"
                        + "background-size: "+ self.largeWidth/self.currentZoomLevel+ "px " +self.largeHeight/self.currentZoomLevel + "px;"
                        + "display: none;z-index:100;"
                        + "border: " + String(self.options.borderSize) 
                        + "px solid " + self.options.borderColour 
                        + ";background-repeat: no-repeat;"
                        + "position: absolute;";
                }

                //if inner  zoom
                if(self.options.zoomType == "inner") {
                    //has a border been put on the image? Lets cater for this
                    var borderWidth = self.$elem.css("border-left-width");
                    self.zoomWindowStyle = "overflow: hidden;"
                        + "margin-left: -" + String(self.options.borderSize) + "px;" 
                        + "margin-top: -" + String(self.options.borderSize) + "px;"         
                        + "background-position: 0px 0px;"
                        + "width: " + String(self.nzWidth) + "px;"
                        + "height: " + String(self.nzHeight)
                        + "px;float: left;"
                        + "display: none;"
                        + "cursor:"+(self.options.cursor)+";"
                        + "border: " + String(self.options.borderSize)
                        + "px solid " + self.options.borderColour 
                        + ";background-repeat: no-repeat;"
                        + "position: absolute;";
                }

                //lens style for window zoom
                if(self.options.zoomType == "window") {
                    // adjust images less than the window height
                    if(self.nzHeight < self.options.zoomWindowWidth/self.widthRatio){
                        lensHeight = self.nzHeight;
                    } else {
                        lensHeight = String((self.options.zoomWindowHeight/self.heightRatio))
                    }

                    if(self.largeWidth < self.options.zoomWindowWidth){
                        lensWidth = self.nzWidth;
                    }
                    else{
                        lensWidth =  (self.options.zoomWindowWidth/self.widthRatio);
                    }

                    self.lensStyle = "background-position: 0px 0px;width: " + String((self.options.zoomWindowWidth)/self.widthRatio) + "px;height: " + String((self.options.zoomWindowHeight)/self.heightRatio)
                    + "px;float: right;display: none;"
                    + "overflow: hidden;"
                    + "z-index: 999;"
                    + "-webkit-transform: translateZ(0);"
                    + "opacity:"+(self.options.lensOpacity)+";filter: alpha(opacity = "+(self.options.lensOpacity*100)+"); zoom:1;"
                    + "width:"+lensWidth+"px;"
                    + "height:"+lensHeight+"px;"
                    + "background-color:"+(self.options.lensColour)+";"
                    + "cursor:"+(self.options.cursor)+";"
                    + "border: "+(self.options.lensBorderSize)+"px" +
                    " solid "+(self.options.lensBorderColour)+";background-repeat: no-repeat;position: absolute;";
                }

                //tint style
                self.tintStyle = "display: block;"
                    + "position: absolute;"
                    + "background-color: "+self.options.tintColour+";"
                    + "filter:alpha(opacity=0);"
                    + "opacity: 0;"
                    + "width: " + self.nzWidth + "px;"
                    + "height: " + self.nzHeight + "px;"
                    ;
                //lens style for lens zoom with optional round for modern browsers
                self.lensRound = '';
                if(self.options.zoomType == "lens") {
                    self.lensStyle = "background-position: 0px 0px;"
                        + "float: left;display: none;"
                        + "border: " + String(self.options.borderSize) + "px solid " + self.options.borderColour+";"
                        + "width:"+ String(self.options.lensSize) +"px;"
                        + "height:"+ String(self.options.lensSize)+"px;"
                        + "background-repeat: no-repeat;position: absolute;";
                }

                //does not round in all browsers
                if(self.options.lensShape == "round") {
                    self.lensRound = "border-top-left-radius: " + String(self.options.lensSize / 2 + self.options.borderSize) + "px;"
                    + "border-top-right-radius: " + String(self.options.lensSize / 2 + self.options.borderSize) + "px;"
                    + "border-bottom-left-radius: " + String(self.options.lensSize / 2 + self.options.borderSize) + "px;"
                    + "border-bottom-right-radius: " + String(self.options.lensSize / 2 + self.options.borderSize) + "px;";
                }

                //create the div's                                                + ""
                //self.zoomContainer = $('<div/>').addClass('zoomContainer').css({"position":"relative", "height":self.nzHeight, "width":self.nzWidth});
                if (typeof self.ctOffset == 'undefined')
                    return;

                if (self.$container.find('.zoomContainer').length)
                    self.$container.find('.zoomContainer').remove();

                self.zoomContainer = $('<div class="zoomContainer" style="-webkit-transform: translateZ(0);position:absolute;left:'+(self.nzOffset.left-self.ctOffset.left)+'px;top:'+(self.nzOffset.top-self.ctOffset.top)+'px;height:'+self.nzHeight+'px;width:'+self.nzWidth+'px;"></div>');
                self.$container.append(self.zoomContainer); 
                //this will add overflow hidden and contrain the lens on lens mode       
                if(self.options.containLensZoom && self.options.zoomType == "lens"){
                    self.zoomContainer.css("overflow", "hidden");
                }

                if(self.options.zoomType != "inner") {
                    self.zoomLens = $("<div class='zoomLens' style='" + self.lensStyle + self.lensRound +"'>&nbsp;</div>")
                    .appendTo(self.zoomContainer)
                    .on('click', function () {
                        self.$elem.trigger('click');
                    });

                    if(self.options.tint) {
                        self.tintContainer = $('<div/>').addClass('tintContainer'); 
                        self.zoomTint = $("<div class='zoomTint' style='"+self.tintStyle+"'></div>");
                        self.zoomLens.wrap(self.tintContainer);
                        self.zoomTintcss = self.zoomLens.after(self.zoomTint);  
                        //if tint enabled - set an image to show over the tint
                        self.zoomTintImage = $('<img style="position: absolute; left: 0px; top: 0px; max-width: none; width: '+self.nzWidth+'px; height: '+self.nzHeight+'px;" src="'+self.imageSrc+'">')
                        .appendTo(self.zoomLens)
                        .on('click', function () {
                            self.$elem.trigger('click');
                        });
                    }
                }

                //create zoom window 
                if(isNaN(self.options.zoomWindowPosition)){
                    self.zoomWindow = $("<div style='z-index:999;left:"+(self.windowOffsetLeft)+"px;top:"+(self.windowOffsetTop)+"px;" + self.zoomWindowStyle + "' class='zoomWindow'>&nbsp;</div>")
                    .appendTo(self.$container)
                    .on('click', function () {
                        self.$elem.trigger('click');
                    });
                }else{
                    self.zoomWindow = $("<div style='z-index:999;left:"+(self.windowOffsetLeft)+"px;top:"+(self.windowOffsetTop)+"px;" + self.zoomWindowStyle + "' class='zoomWindow'>&nbsp;</div>")
                    .appendTo(self.zoomContainer)
                    .on('click', function () {
                        self.$elem.trigger('click');
                    });
                }

                self.zoomWindowContainer = $('<div/>').addClass('zoomWindowContainer').css("width",self.options.zoomWindowWidth);
                self.zoomWindow.wrap(self.zoomWindowContainer);
                //  self.captionStyle = "text-align: left;background-color: black;color: white;font-weight: bold;padding: 10px;font-family: sans-serif;font-size: 11px";                                                           
                // self.zoomCaption = $('<div class="elevatezoom-caption" style="'+self.captionStyle+'display: block; width: 280px;">INSERT ALT TAG</div>').appendTo(self.zoomWindow.parent());
                if(self.options.zoomType == "lens") {
                    self.zoomLens.css({ backgroundImage: "url('" + self.imageSrc + "')" }); 
                }

                if(self.options.zoomType == "window") {
                    self.zoomWindow.css({ backgroundImage: "url('" + self.imageSrc + "')" }); 
                }

                if(self.options.zoomType == "inner") {
                    self.zoomWindow.css({ backgroundImage: "url('" + self.imageSrc + "')" }); 
                }

                /*-------------------END THE ZOOM WINDOW AND LENS----------------------------------*/
                //touch events
                self.$elem.on('touchmove', function(e){
                    e.preventDefault();
                    var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];  
                    self.setPosition(touch);
                });

                self.zoomContainer.on('touchmove', function(e){ 
                    if(self.options.zoomType == "inner") {
                        self.showHideWindow("show");
                    }
                    e.preventDefault();
                    var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];  
                    self.setPosition(touch);
                });

                self.zoomContainer.on('touchend', function(e){
                    self.showHideWindow("hide");
                    if(self.options.showLens) {self.showHideLens("hide");}
                    if(self.options.tint && self.options.zoomType != "inner") {self.showHideTint("hide");}
                });

                self.$elem.on('touchend', function(e){
                    self.showHideWindow("hide");
                    if(self.options.showLens) {self.showHideLens("hide");}
                    if(self.options.tint && self.options.zoomType != "inner") {self.showHideTint("hide");}
                });

                if(self.options.showLens) {
                    self.zoomLens.on('touchmove', function(e){
                        e.preventDefault();
                        var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];  
                        self.setPosition(touch);
                    });

                    self.zoomLens.on('touchend', function(e){ 
                        self.showHideWindow("hide");
                        if(self.options.showLens) {self.showHideLens("hide");}
                        if(self.options.tint && self.options.zoomType != "inner") {self.showHideTint("hide");}
                    });
                }

                //Needed to work in IE
                self.$elem.on('mousemove', function(e){
                    if(self.overWindow == false){self.setElements("show");}
                    //make sure on orientation change the setposition is not fired
                    if(self.lastX !== e.clientX || self.lastY !== e.clientY){
                        self.setPosition(e);
                        self.currentLoc = e;
                    }
                    self.lastX = e.clientX;
                    self.lastY = e.clientY;
                });

                self.zoomContainer.on('mousemove', function(e){ 
                    if(self.overWindow == false){self.setElements("show");}
                    //make sure on orientation change the setposition is not fired 
                    if(self.lastX !== e.clientX || self.lastY !== e.clientY){
                        self.setPosition(e);
                        self.currentLoc = e;
                    }
                    self.lastX = e.clientX;
                    self.lastY = e.clientY;
                });

                if(self.options.zoomType != "inner") {
                    self.zoomLens.on('mousemove', function(e){
                        //make sure on orientation change the setposition is not fired
                        if(self.lastX !== e.clientX || self.lastY !== e.clientY){
                            self.setPosition(e);
                            self.currentLoc = e;
                        }
                        self.lastX = e.clientX;
                        self.lastY = e.clientY;
                    });
                }

                if(self.options.tint && self.options.zoomType != "inner") {
                    self.zoomTint.on('mousemove', function(e){ 
                        //make sure on orientation change the setposition is not fired
                        if(self.lastX !== e.clientX || self.lastY !== e.clientY){
                            self.setPosition(e);
                            self.currentLoc = e;
                        }
                        self.lastX = e.clientX;
                        self.lastY = e.clientY;
                    });
                }

                if(self.options.zoomType == "inner") {
                    self.zoomWindow.on('mousemove', function(e) {
                        //self.overWindow = true;
                        //make sure on orientation change the setposition is not fired
                        if(self.lastX !== e.clientX || self.lastY !== e.clientY){
                            self.setPosition(e);
                            self.currentLoc = e;
                        }
                        self.lastX = e.clientX;
                        self.lastY = e.clientY;
                    });
                }

                // lensFadeOut: 500,  zoomTintFadeIn
                self.zoomContainer.add(self.$elem).on('mouseenter', function(){
                    if(self.overWindow == false){self.setElements("show");} 
                }).on('mouseleave', function(){
                    if(!self.scrollLock){
                        self.setElements("hide");
                    }
                });

                //end ove image
                if(self.options.zoomType != "inner") {
                    self.zoomWindow.on('mouseenter', function(){
                        self.overWindow = true;
                        self.setElements("hide");
                    }).on('mouseleave', function(){
                        self.overWindow = false;
                    });
                }

                //end ove image
                //  var delta = parseInt(e.originalEvent.wheelDelta || -e.originalEvent.detail);
                //  $(this).empty();
                //  return false;
                //fix for initial zoom setting
                if (self.options.zoomLevel != 1){
                    //  self.changeZoomLevel(self.currentZoomLevel);
                }

                //set the min zoomlevel
                if(self.options.minZoomLevel){
                    self.minZoomLevel = self.options.minZoomLevel;
                }
                else{
                    self.minZoomLevel = self.options.scrollZoomIncrement * 2;
                }

                if(self.options.scrollZoom){
                    self.zoomContainer.add(self.$elem).on('mousewheel DOMMouseScroll MozMousePixelScroll', function(e){
//                      in IE there is issue with firing of mouseleave - So check whether still scrolling
//                      and on mouseleave check if scrolllock
                        self.scrollLock = true;
                        clearTimeout($.data(this, 'timer'));
                        $.data(this, 'timer', setTimeout(function() {
                            self.scrollLock = false;
                            //do something
                        }, 250));
                        var theEvent = e.originalEvent.wheelDelta || e.originalEvent.detail*-1
                        //this.scrollTop += ( delta < 0 ? 1 : -1 ) * 30;
                        //   e.preventDefault();
                        e.stopImmediatePropagation();
                        e.stopPropagation();
                        e.preventDefault();
                        if(theEvent /120 > 0) {
                            //scrolling up
                            if(self.currentZoomLevel >= self.minZoomLevel){ 
                                self.changeZoomLevel(self.currentZoomLevel-self.options.scrollZoomIncrement);
                            }
                        }
                        else{
                            //scrolling down
                            if(self.options.maxZoomLevel){
                                if(self.currentZoomLevel <= self.options.maxZoomLevel){
                                    self.changeZoomLevel(parseFloat(self.currentZoomLevel)+self.options.scrollZoomIncrement);
                                }
                            }
                            else{
                                //andy 
                                self.changeZoomLevel(parseFloat(self.currentZoomLevel)+self.options.scrollZoomIncrement);
                            }
                        }
                        return false;
                    });
                }
            },
            setElements: function(type) {
                var self = this;
                if(!self.options.zoomEnabled){return false;}
                if(type=="show"){
                    if(self.isWindowSet){
                        if(self.options.zoomType == "inner") {self.showHideWindow("show");}
                        if(self.options.zoomType == "window") {self.showHideWindow("show");}
                        if(self.options.showLens) {self.showHideLens("show");}
                        if(self.options.tint && self.options.zoomType != "inner") {self.showHideTint("show");
                        }
                    }
                }

                if(type=="hide"){
                    if(self.options.zoomType == "window") {self.showHideWindow("hide");}
                    if(!self.options.tint) {self.showHideWindow("hide");}
                    if(self.options.showLens) {self.showHideLens("hide");}
                    if(self.options.tint) { self.showHideTint("hide");}
                }
            },

            setPosition: function(e) {
                var self = this;
                if(!self.options.zoomEnabled){return false;}
                //recaclc offset each time in case the image moves
                //this can be caused by other on page elements
                self.nzHeight = self.$elem.height();
                self.nzWidth = self.$elem.width();
                self.nzOffset = self.$elem.offset();
                self.ctOffset = self.$container.offset();
                if(self.options.tint && self.options.zoomType != "inner") {
                    self.zoomTint.css({ top: 0});
                    self.zoomTint.css({ left: 0});
                }

                //set responsive

                //will checking if the image needs changing before running this code work faster?

                if(self.options.responsive && !self.options.scrollZoom){
                    if(self.options.showLens){ 
                        if(self.nzHeight < self.options.zoomWindowWidth/self.widthRatio){
                            lensHeight = self.nzHeight;
                        }
                        else{
                            lensHeight = String((self.options.zoomWindowHeight/self.heightRatio))
                        }
                        if(self.largeWidth < self.options.zoomWindowWidth){
                            lensWidth = self.nzWidth;
                        }
                        else{
                            lensWidth =  (self.options.zoomWindowWidth/self.widthRatio);
                        }
                        self.widthRatio = self.largeWidth / self.nzWidth;
                        self.heightRatio = self.largeHeight / self.nzHeight;
                        if(self.options.zoomType != "lens") {
                            //possibly dont need to keep recalcalculating
                            //if the lens is heigher than the image, then set lens size to image size
                            if(self.nzHeight < self.options.zoomWindowWidth/self.widthRatio){
                                lensHeight = self.nzHeight;
                            }
                            else{
                                lensHeight = String((self.options.zoomWindowHeight/self.heightRatio))
                            }
                            if(self.options.zoomWindowWidth < self.options.zoomWindowWidth){
                                lensWidth = self.nzWidth;
                            }
                            else{
                                lensWidth =  (self.options.zoomWindowWidth/self.widthRatio);
                            }
                            self.zoomLens.css('width', lensWidth);
                            self.zoomLens.css('height', lensHeight);
                            if(self.options.tint){
                                self.zoomTintImage.css('width', self.nzWidth);    
                                self.zoomTintImage.css('height', self.nzHeight); 
                            }
                        }
                        if(self.options.zoomType == "lens") {
                            self.zoomLens.css({ width: String(self.options.lensSize) + 'px', height: String(self.options.lensSize) + 'px' })      
                        }
                        //end responsive image change
                    }
                }

                //container fix
                self.zoomContainer.css({ top: self.nzOffset.top - self.ctOffset.top});
                self.zoomContainer.css({ left: self.nzOffset.left - self.ctOffset.left});
                self.mouseLeft = parseInt(e.pageX - self.nzOffset.left);
                self.mouseTop = parseInt(e.pageY - self.nzOffset.top);
                //calculate the Location of the Lens
                //calculate the bound regions - but only if zoom window
                if(self.options.zoomType == "window") {
                    self.Etoppos = (self.mouseTop < (self.zoomLens.height()/2));
                    self.Eboppos = (self.mouseTop > self.nzHeight - (self.zoomLens.height()/2)-(self.options.lensBorderSize*2));
                    self.Eloppos = (self.mouseLeft < 0+((self.zoomLens.width()/2))); 
                    self.Eroppos = (self.mouseLeft > (self.nzWidth - (self.zoomLens.width()/2)-(self.options.lensBorderSize*2)));  
                }

                //calculate the bound regions - but only for inner zoom
                if(self.options.zoomType == "inner"){ 
                    self.Etoppos = (self.mouseTop < ((self.nzHeight/2)/self.heightRatio) );
                    self.Eboppos = (self.mouseTop > (self.nzHeight - ((self.nzHeight/2)/self.heightRatio)));
                    self.Eloppos = (self.mouseLeft < 0+(((self.nzWidth/2)/self.widthRatio)));
                    self.Eroppos = (self.mouseLeft > (self.nzWidth - (self.nzWidth/2)/self.widthRatio-(self.options.lensBorderSize*2)));  
                }

                // if the mouse position of the slider is one of the outerbounds, then hide  window and lens
                if (self.mouseLeft <= 0 || self.mouseTop < 0 || self.mouseLeft > self.nzWidth || self.mouseTop > self.nzHeight ) {                        
                    self.setElements("hide");
                    return;
                }
                //else continue with operations
                else {
                    //lens options
                    if(self.options.showLens) {
                        //      self.showHideLens("show");
                        //set background position of lens
                        self.lensLeftPos = String(self.mouseLeft - self.zoomLens.width() / 2);
                        self.lensTopPos = String(self.mouseTop - self.zoomLens.height() / 2);
                    }

                    //adjust the background position if the mouse is in one of the outer regions 
                    //Top region
                    if(self.Etoppos){
                        self.lensTopPos = 0;
                    }

                    //Left Region
                    if(self.Eloppos){
                        self.windowLeftPos = 0;
                        self.lensLeftPos = 0;
                        self.tintpos=0;
                    }

                    //Set bottom and right region for window mode
                    if(self.options.zoomType == "window") {
                        if(self.Eboppos){
                            self.lensTopPos = Math.max( (self.nzHeight)-self.zoomLens.height()-(self.options.lensBorderSize*2), 0 );
                        }

                        if(self.Eroppos){
                            self.lensLeftPos = (self.nzWidth-(self.zoomLens.width())-(self.options.lensBorderSize*2));
                        }
                    }

                    //Set bottom and right region for inner mode
                    if(self.options.zoomType == "inner") {
                        if(self.Eboppos){
                            self.lensTopPos = Math.max( ((self.nzHeight)-(self.options.lensBorderSize*2)), 0 );
                        }
                        if(self.Eroppos){
                            self.lensLeftPos = (self.nzWidth-(self.nzWidth)-(self.options.lensBorderSize*2));
                        }
                    }
                    //if lens zoom
                    if(self.options.zoomType == "lens") {
                        self.windowLeftPos = String(((e.pageX - self.nzOffset.left) * self.widthRatio - self.zoomLens.width() / 2) * (-1));   
                        self.windowTopPos = String(((e.pageY - self.nzOffset.top) * self.heightRatio - self.zoomLens.height() / 2) * (-1));
                        self.zoomLens.css({ backgroundPosition: self.windowLeftPos + 'px ' + self.windowTopPos + 'px' });
                        if(self.changeBgSize){  
                            if(self.nzHeight>self.nzWidth){  
                                if(self.options.zoomType == "lens"){
                                    self.zoomLens.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });
                                }
                                self.zoomWindow.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });
                            }
                            else{
                                if(self.options.zoomType == "lens"){
                                    self.zoomLens.css({ "background-size": self.largeWidth/self.newvaluewidth + 'px ' + self.largeHeight/self.newvaluewidth + 'px' });
                                }
                                self.zoomWindow.css({ "background-size": self.largeWidth/self.newvaluewidth + 'px ' + self.largeHeight/self.newvaluewidth + 'px' });            
                            }
                            self.changeBgSize = false;
                        }
                        self.setWindowPostition(e);
                    }

                    //if tint zoom
                    if(self.options.tint && self.options.zoomType != "inner") {
                        self.setTintPosition(e);
                    }

                    //set the css background position 
                    if(self.options.zoomType == "window") {
                        self.setWindowPostition(e);
                    }

                    if(self.options.zoomType == "inner") {
                        self.setWindowPostition(e);
                    }

                    if(self.options.showLens) {
                        if(self.fullwidth && self.options.zoomType != "lens"){
                            self.lensLeftPos = 0;
                        }
                        self.zoomLens.css({ left: self.lensLeftPos + 'px', top: self.lensTopPos + 'px' })  
                    }
                } //end else

            },

            showHideWindow: function(change) {
                var self = this;
                if(change == "show"){
                    if(!self.isWindowActive){
                        if(self.options.zoomWindowFadeIn){
                            self.zoomWindow.stop(true, true, false).fadeIn(self.options.zoomWindowFadeIn);
                        }
                        else{self.zoomWindow.show();}
                        self.isWindowActive = true;
                    }
                }

                if(change == "hide"){
                    if(self.isWindowActive){
                        if(self.options.zoomWindowFadeOut){
                            self.zoomWindow.stop(true, true).fadeOut(self.options.zoomWindowFadeOut);
                        }
                        else{self.zoomWindow.hide();}
                        self.isWindowActive = false;
                    }
                }
            },
            showHideLens: function(change) {
                var self = this;

                if(change == "show"){
                    if(!self.isLensActive){
                        if(self.options.lensFadeIn){
                            self.zoomLens.stop(true, true, false).fadeIn(self.options.lensFadeIn);
                        }
                        else{self.zoomLens.show();}

                        self.isLensActive = true;
                    }
                }

                if(change == "hide"){
                    if(self.isLensActive){
                        if(self.options.lensFadeOut){
                            self.zoomLens.stop(true, true).fadeOut(self.options.lensFadeOut);
                        }
                        else{self.zoomLens.hide();}

                        self.isLensActive = false;
                    }
                }
            },
            showHideTint: function(change) {
                var self = this;
                if(change == "show"){
                    if(!self.isTintActive){
                        if(self.options.zoomTintFadeIn){
                            self.zoomTint.css({opacity:self.options.tintOpacity}).animate().stop(true, true).fadeIn("slow");
                        }
                        else{
                            self.zoomTint.css({opacity:self.options.tintOpacity}).animate();
                            self.zoomTint.show();
                        }
                        self.isTintActive = true;
                    }
                }
                if(change == "hide"){
                    if(self.isTintActive){ 
                        if(self.options.zoomTintFadeOut){
                            self.zoomTint.stop(true, true).fadeOut(self.options.zoomTintFadeOut);
                        }
                        else{self.zoomTint.hide();}
                        self.isTintActive = false;
                    }
                }
            },
            setLensPostition: function( e ) {
            },
            setWindowPostition: function( e ) {
                //return obj.slice( 0, count );
                var self = this;
                if(!isNaN(self.options.zoomWindowPosition)){
                    switch (self.options.zoomWindowPosition) { 
                    case 1: //done
                        self.windowOffsetTop = (self.options.zoomWindowOffety);//DONE - 1
                        self.windowOffsetLeft =(+self.nzWidth); //DONE 1, 2, 3, 4, 16
                        break;
                    case 2:
                        if(self.options.zoomWindowHeight > self.nzHeight){ //positive margin
                            self.windowOffsetTop = ((self.options.zoomWindowHeight/2)-(self.nzHeight/2))*(-1);
                            self.windowOffsetLeft =(self.nzWidth); //DONE 1, 2, 3, 4, 16
                        }
                        else{ //negative margin
                        }
                        break;
                    case 3: //done
                        self.windowOffsetTop = (self.nzHeight - self.zoomWindow.height() - (self.options.borderSize*2)); //DONE 3,9
                        self.windowOffsetLeft =(self.nzWidth); //DONE 1, 2, 3, 4, 16
                        break;
                    case 4: //done
                        self.windowOffsetTop = (self.nzHeight); //DONE - 4,5,6,7,8
                        self.windowOffsetLeft =(self.nzWidth); //DONE 1, 2, 3, 4, 16
                        break;
                    case 5: //done
                        self.windowOffsetTop = (self.nzHeight); //DONE - 4,5,6,7,8
                        self.windowOffsetLeft =(self.nzWidth-self.zoomWindow.width()-(self.options.borderSize*2)); //DONE - 5,15
                        break;
                    case 6:
                        if(self.options.zoomWindowHeight > self.nzHeight){ //positive margin
                            self.windowOffsetTop = (self.nzHeight);  //DONE - 4,5,6,7,8
                            self.windowOffsetLeft =((self.options.zoomWindowWidth/2)-(self.nzWidth/2)+(self.options.borderSize*2))*(-1);  
                        }
                        else{ //negative margin
                        }
                        break;
                    case 7: //done
                        self.windowOffsetTop = (self.nzHeight);  //DONE - 4,5,6,7,8
                        self.windowOffsetLeft = 0; //DONE 7, 13
                        break;
                    case 8: //done
                        self.windowOffsetTop = (self.nzHeight); //DONE - 4,5,6,7,8
                        self.windowOffsetLeft =(self.zoomWindow.width()+(self.options.borderSize*2) )* (-1);  //DONE 8,9,10,11,12
                        break;
                    case 9:  //done
                        self.windowOffsetTop = (self.nzHeight - self.zoomWindow.height() - (self.options.borderSize*2)); //DONE 3,9
                        self.windowOffsetLeft =(self.zoomWindow.width()+(self.options.borderSize*2) )* (-1);  //DONE 8,9,10,11,12
                        break;
                    case 10:
                        if(self.options.zoomWindowHeight > self.nzHeight){ //positive margin
                            self.windowOffsetTop = ((self.options.zoomWindowHeight/2)-(self.nzHeight/2))*(-1);
                            self.windowOffsetLeft =(self.zoomWindow.width()+(self.options.borderSize*2) )* (-1);  //DONE 8,9,10,11,12
                        }
                        else{ //negative margin
                        }
                        break;
                    case 11: 
                        self.windowOffsetTop = (self.options.zoomWindowOffety);
                        self.windowOffsetLeft =(self.zoomWindow.width()+(self.options.borderSize*2) )* (-1);  //DONE 8,9,10,11,12
                        break;
                    case 12: //done
                        self.windowOffsetTop = (self.zoomWindow.height()+(self.options.borderSize*2))*(-1); //DONE 12,13,14,15,16
                        self.windowOffsetLeft =(self.zoomWindow.width()+(self.options.borderSize*2) )* (-1);  //DONE 8,9,10,11,12
                        break;
                    case 13: //done
                        self.windowOffsetTop = (self.zoomWindow.height()+(self.options.borderSize*2))*(-1); //DONE 12,13,14,15,16
                        self.windowOffsetLeft =(0); //DONE 7, 13
                        break;
                    case 14: 
                        if(self.options.zoomWindowHeight > self.nzHeight){ //positive margin
                            self.windowOffsetTop = (self.zoomWindow.height()+(self.options.borderSize*2))*(-1); //DONE 12,13,14,15,16
                            self.windowOffsetLeft =((self.options.zoomWindowWidth/2)-(self.nzWidth/2)+(self.options.borderSize*2))*(-1);  
                        }
                        else{ //negative margin
                        }
                        break;
                    case 15://done
                        self.windowOffsetTop = (self.zoomWindow.height()+(self.options.borderSize*2))*(-1); //DONE 12,13,14,15,16
                        self.windowOffsetLeft =(self.nzWidth-self.zoomWindow.width()-(self.options.borderSize*2)); //DONE - 5,15
                        break;
                    case 16:  //done
                        self.windowOffsetTop = (self.zoomWindow.height()+(self.options.borderSize*2))*(-1); //DONE 12,13,14,15,16
                        self.windowOffsetLeft =(self.nzWidth); //DONE 1, 2, 3, 4, 16
                        break;
                    default: //done
                        self.windowOffsetTop = (self.options.zoomWindowOffety);//DONE - 1
                    self.windowOffsetLeft =(self.nzWidth); //DONE 1, 2, 3, 4, 16
                    }
                } //end isNAN
                else{
                    //WE CAN POSITION IN A CLASS - ASSUME THAT ANY STRING PASSED IS
                    self.externalContainer = $('#'+self.options.zoomWindowPosition);
                    self.externalContainerWidth = self.externalContainer.width();
                    self.externalContainerHeight = self.externalContainer.height();
                    self.externalContainerOffset = self.externalContainer.offset();
                    self.windowOffsetTop = self.externalContainerOffset.top;//DONE - 1
                    self.windowOffsetLeft =self.externalContainerOffset.left; //DONE 1, 2, 3, 4, 16
                }

                self.isWindowSet = true;
                self.windowOffsetTop = self.windowOffsetTop + self.options.zoomWindowOffety;
                self.windowOffsetLeft = self.windowOffsetLeft + self.options.zoomWindowOffetx;
                self.zoomWindow.css({ top: self.windowOffsetTop});
                self.zoomWindow.css({ left: self.windowOffsetLeft});
                if(self.options.zoomType == "inner") {
                    self.zoomWindow.css({ top: 0});
                    self.zoomWindow.css({ left: 0});
                }

                self.windowLeftPos = String(((e.pageX - self.nzOffset.left) * self.widthRatio - self.zoomWindow.width() / 2) * (-1));   
                self.windowTopPos = String(((e.pageY - self.nzOffset.top) * self.heightRatio - self.zoomWindow.height() / 2) * (-1));

                if(self.Etoppos){self.windowTopPos = 0;}
                if(self.Eloppos){self.windowLeftPos = 0;}
                if(self.Eboppos){self.windowTopPos = (self.largeHeight/self.currentZoomLevel-self.zoomWindow.height())*(-1);  } 
                if(self.Eroppos){self.windowLeftPos = ((self.largeWidth/self.currentZoomLevel-self.zoomWindow.width())*(-1));}    
                //stops micro movements
                if(self.fullheight){
                    self.windowTopPos = 0;
                }

                if(self.fullwidth){
                    self.windowLeftPos = 0;
                }

                //set the css background position 
                if(self.options.zoomType == "window" || self.options.zoomType == "inner") {
                    if(self.zoomLock == 1){
                        //overrides for images not zoomable
                        if(self.widthRatio <= 1){
                            self.windowLeftPos = 0;
                        }

                        if(self.heightRatio <= 1){ 
                            self.windowTopPos = 0;
                        }
                    }

                    // adjust images less than the window height
                    if(self.largeHeight < self.options.zoomWindowHeight){
                        self.windowTopPos = 0;
                    }

                    if(self.largeWidth < self.options.zoomWindowWidth){
                        self.windowLeftPos = 0;
                    }

                    //set the zoomwindow background position
                    if (self.options.easing){
                        //     if(self.changeZoom){
                        //           clearInterval(self.loop);
                        //           self.changeZoom = false;
                        //           self.loop = false;
                        //            }
                        //set the pos to 0 if not set
                        if(!self.xp){self.xp = 0;}
                        if(!self.yp){self.yp = 0;}  
                        //if loop not already started, then run it 
                        if (!self.loop){
                            self.loop = setInterval(function(){
                                //using zeno's paradox    
                                self.xp += (self.windowLeftPos  - self.xp) / self.options.easingAmount; 
                                self.yp += (self.windowTopPos  - self.yp) / self.options.easingAmount;

                                if(self.scrollingLock){
                                    clearInterval(self.loop);
                                    self.xp = self.windowLeftPos;
                                    self.yp = self.windowTopPos            
                                    self.xp = ((e.pageX - self.nzOffset.left) * self.widthRatio - self.zoomWindow.width() / 2) * (-1);

                                    self.yp = (((e.pageY - self.nzOffset.top) * self.heightRatio - self.zoomWindow.height() / 2) * (-1));                         

                                    if(self.changeBgSize){    

                                        if(self.nzHeight>self.nzWidth){  

                                            if(self.options.zoomType == "lens"){      

                                                self.zoomLens.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });

                                            }   

                                            self.zoomWindow.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });

                                        }

                                        else{   
                                            if(self.options.zoomType != "lens"){      
                                                self.zoomLens.css({ "background-size": self.largeWidth/self.newvaluewidth + 'px ' + self.largeHeight/self.newvalueheight + 'px' });

                                            }            

                                            self.zoomWindow.css({ "background-size": self.largeWidth/self.newvaluewidth + 'px ' + self.largeHeight/self.newvaluewidth + 'px' });            

                                        }

                                        /*

             if(!self.bgxp){self.bgxp = self.largeWidth/self.newvalue;}

                        if(!self.bgyp){self.bgyp = self.largeHeight/self.newvalue ;}  

                 if (!self.bgloop){   

                    self.bgloop = setInterval(function(){   

                 self.bgxp += (self.largeWidth/self.newvalue  - self.bgxp) / self.options.easingAmount; 

                                self.bgyp += (self.largeHeight/self.newvalue  - self.bgyp) / self.options.easingAmount;

           self.zoomWindow.css({ "background-size": self.bgxp + 'px ' + self.bgyp + 'px' });

                  }, 16);

                 }

                                         */

                                        self.changeBgSize = false;

                                    }

                                    self.zoomWindow.css({ backgroundPosition: self.windowLeftPos + 'px ' + self.windowTopPos + 'px' });

                                    self.scrollingLock = false;

                                    self.loop = false;

                                }

                                else{

                                    if(self.changeBgSize){
                                        if(self.nzHeight>self.nzWidth){ 
                                            if(self.options.zoomType == "lens"){
                                                self.zoomLens.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });
                                            }
                                            self.zoomWindow.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });
                                        }
                                        else{
                                            if(self.options.zoomType != "lens"){
                                                self.zoomLens.css({ "background-size": self.largeWidth/self.newvaluewidth + 'px ' + self.largeHeight/self.newvaluewidth + 'px' });
                                            }
                                            self.zoomWindow.css({ "background-size": self.largeWidth/self.newvaluewidth + 'px ' + self.largeHeight/self.newvaluewidth + 'px' });            
                                        }
                                        self.changeBgSize = false;
                                    }
                                    self.zoomWindow.css({ backgroundPosition: self.xp + 'px ' + self.yp + 'px' });
                                }
                            }, 16);
                        }
                    }

                    else{
                        if(self.changeBgSize){
                            if(self.nzHeight>self.nzWidth){  
                                if(self.options.zoomType == "lens"){
                                    self.zoomLens.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });
                                }
                                self.zoomWindow.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });
                            }
                            else{
                                if(self.options.zoomType == "lens"){
                                    self.zoomLens.css({ "background-size": self.largeWidth/self.newvaluewidth + 'px ' + self.largeHeight/self.newvaluewidth + 'px' });
                                }

                                if((self.largeHeight/self.newvaluewidth) < self.options.zoomWindowHeight){ 
                                    self.zoomWindow.css({ "background-size": self.largeWidth/self.newvaluewidth + 'px ' + self.largeHeight/self.newvaluewidth + 'px' });            
                                }
                                else{
                                    self.zoomWindow.css({ "background-size": self.largeWidth/self.newvalueheight + 'px ' + self.largeHeight/self.newvalueheight + 'px' });   
                                }
                            }
                            self.changeBgSize = false;
                        }
                        self.zoomWindow.css({ backgroundPosition: self.windowLeftPos + 'px ' + self.windowTopPos + 'px' });       
                    }
                }
            },

            setTintPosition: function(e){

                var self = this;

                self.nzOffset = self.$elem.offset();
                self.tintpos = String(((e.pageX - self.nzOffset.left)-(self.zoomLens.width() / 2)) * (-1)); 
                self.tintposy = String(((e.pageY - self.nzOffset.top) - self.zoomLens.height() / 2) * (-1));    

                if(self.Etoppos){
                    self.tintposy = 0;
                }

                if(self.Eloppos){
                    self.tintpos=0;
                }

                if(self.Eboppos){
                    self.tintposy = (self.nzHeight-self.zoomLens.height()-(self.options.lensBorderSize*2))*(-1);
                }

                if(self.Eroppos){
                    self.tintpos = ((self.nzWidth-self.zoomLens.width()-(self.options.lensBorderSize*2))*(-1));
                }

                if(self.options.tint) {
                    //stops micro movements
                    if(self.fullheight){
                        self.tintposy = 0;
                    }

                    if(self.fullwidth){ 
                        self.tintpos = 0;
                    }

                    self.zoomTintImage.css({'left': self.tintpos+'px'});
                    self.zoomTintImage.css({'top': self.tintposy+'px'});
                }
            },

            swaptheimage: function(smallimage, largeimage){
                var self = this;
                var newImg = new Image();
                if(self.options.loadingIcon){
                    self.spinner = $('<div style="background: url(\''+self.options.loadingIcon+'\') no-repeat center;height:'+self.nzHeight+'px;width:'+self.nzWidth+'px;z-index: 2000;position: absolute; background-position: center center;"></div>');
                    self.$elem.after(self.spinner);
                }

                self.options.onImageSwap(self.$elem);
                newImg.onload = function() {
                    self.largeWidth = newImg.width;
                    self.largeHeight = newImg.height;
                    self.zoomImage = largeimage;
          if (typeof self.zoomWindow == 'undefined') return;
                    self.zoomWindow.css({ "background-size": self.largeWidth + 'px ' + self.largeHeight + 'px' });
                    self.zoomWindow.css({ "background-size": self.largeWidth + 'px ' + self.largeHeight + 'px' });
                    self.swapAction(smallimage, largeimage);
                    return;
                }
                newImg.src = largeimage; // this must be done AFTER setting onload
            },

            swapAction: function(smallimage, largeimage){
                var self = this;
                var newImg2 = new Image();
                newImg2.onload = function() {
                    //re-calculate values
                    self.nzHeight = newImg2.height;
                    self.nzWidth = newImg2.width;
                    self.options.onImageSwapComplete(self.$elem);
                    self.doneCallback();
                    return;
                }

                newImg2.src = smallimage;
                //reset the zoomlevel to that initially set in options
                self.currentZoomLevel = self.options.zoomLevel;
                self.options.maxZoomLevel = false;
                //swaps the main image
                //self.$elem.attr("src",smallimage);
                //swaps the zoom image
                if(self.options.zoomType == "lens") {
                    self.zoomLens.css({ backgroundImage: "url('" + largeimage + "')" }); 
                }

                if(self.options.zoomType == "window") {
                    self.zoomWindow.css({ backgroundImage: "url('" + largeimage + "')" }); 
                }

                if(self.options.zoomType == "inner") {
                    self.zoomWindow.css({ backgroundImage: "url('" + largeimage + "')" }); 
                }

                self.currentImage = largeimage;

                if(self.options.imageCrossfade){
                    var oldImg = self.$elem;
                    var newImg = oldImg.clone();
                    self.$elem.attr("src",smallimage)
                    self.$elem.after(newImg);
                    newImg.stop(true).fadeOut(self.options.imageCrossfade, function() {
                        $(this).remove();
                    });
                    //                      if(self.options.zoomType == "inner"){
                    //remove any attributes on the cloned image so we can resize later
                    self.$elem.width("auto").removeAttr("width");
                    self.$elem.height("auto").removeAttr("height");
                    //   }
                    oldImg.fadeIn(self.options.imageCrossfade);
                    if(self.options.tint && self.options.zoomType != "inner") {
                        var oldImgTint = self.zoomTintImage;
                        var newImgTint = oldImgTint.clone();         
                        self.zoomTintImage.attr("src",largeimage)
                        self.zoomTintImage.after(newImgTint);
                        newImgTint.stop(true).fadeOut(self.options.imageCrossfade, function() {
                            $(this).remove();
                        });

                        oldImgTint.fadeIn(self.options.imageCrossfade);
                        //self.zoomTintImage.attr("width",elem.data("image"));
                        //resize the tint window
                        self.zoomTint.css({ height: self.$elem.height()});
                        self.zoomTint.css({ width: self.$elem.width()});
                    }

                    self.zoomContainer.css("height", self.$elem.height());
                    self.zoomContainer.css("width", self.$elem.width());
                    if(self.options.zoomType == "inner"){
                        if(!self.options.constrainType){
                            self.zoomWrap.parent().css("height", self.$elem.height());
                            self.zoomWrap.parent().css("width", self.$elem.width());
                            self.zoomWindow.css("height", self.$elem.height());
                            self.zoomWindow.css("width", self.$elem.width());
                        }
                    }

                    if(self.options.imageCrossfade){
                        self.zoomWrap.css("height", self.$elem.height());
                        self.zoomWrap.css("width", self.$elem.width());
                    }
                }
                else{
                    self.$elem.attr("src",smallimage);
                    if(self.options.tint) {
                        self.zoomTintImage.attr("src",largeimage);
                        //self.zoomTintImage.attr("width",elem.data("image"));
                        self.zoomTintImage.attr("height",self.$elem.height());
                        //self.zoomTintImage.attr('src') = elem.data("image");
                        self.zoomTintImage.css({ height: self.$elem.height()}); 
                        self.zoomTint.css({ height: self.$elem.height()});
                    }

                    self.zoomContainer.css("height", self.$elem.height());
                    self.zoomContainer.css("width", self.$elem.width());
                    if(self.options.imageCrossfade){
                        self.zoomWrap.css("height", self.$elem.height());
                        self.zoomWrap.css("width", self.$elem.width());
                    }
                }

                if(self.options.constrainType){
                    //This will contrain the image proportions
                    if(self.options.constrainType == "height"){ 
                        self.zoomContainer.css("height", self.options.constrainSize);
                        self.zoomContainer.css("width", "auto");
                        if(self.options.imageCrossfade){
                            self.zoomWrap.css("height", self.options.constrainSize);
                            self.zoomWrap.css("width", "auto");
                            self.constwidth = self.zoomWrap.width();
                        }
                        else{
                            self.$elem.css("height", self.options.constrainSize);
                            self.$elem.css("width", "auto");
                            self.constwidth = self.$elem.width();
                        }
                        if(self.options.zoomType == "inner"){
                            self.zoomWrap.parent().css("height", self.options.constrainSize);
                            self.zoomWrap.parent().css("width", self.constwidth);
                            self.zoomWindow.css("height", self.options.constrainSize);
                            self.zoomWindow.css("width", self.constwidth);
                        }

                        if(self.options.tint){
                            self.tintContainer.css("height", self.options.constrainSize);
                            self.tintContainer.css("width", self.constwidth);
                            self.zoomTint.css("height", self.options.constrainSize);
                            self.zoomTint.css("width", self.constwidth);
                            self.zoomTintImage.css("height", self.options.constrainSize);
                            self.zoomTintImage.css("width", self.constwidth);
                        }
                    }

                    if(self.options.constrainType == "width"){
                        self.zoomContainer.css("height", "auto");
                        self.zoomContainer.css("width", self.options.constrainSize);
                        if(self.options.imageCrossfade){
                            self.zoomWrap.css("height", "auto");
                            self.zoomWrap.css("width", self.options.constrainSize);
                            self.constheight = self.zoomWrap.height();
                        }
                        else{
                            self.$elem.css("height", "auto");
                            self.$elem.css("width", self.options.constrainSize);
                            self.constheight = self.$elem.height();
                        }
                        if(self.options.zoomType == "inner"){
                            self.zoomWrap.parent().css("height", self.constheight);
                            self.zoomWrap.parent().css("width", self.options.constrainSize);
                            self.zoomWindow.css("height", self.constheight);
                            self.zoomWindow.css("width", self.options.constrainSize);
                        }
                        if(self.options.tint){
                            self.tintContainer.css("height", self.constheight);
                            self.tintContainer.css("width", self.options.constrainSize);
                            self.zoomTint.css("height", self.constheight);
                            self.zoomTint.css("width", self.options.constrainSize);
                            self.zoomTintImage.css("height", self.constheight);
                            self.zoomTintImage.css("width", self.options.constrainSize); 
                        }
                    }
                }
            },

            doneCallback: function(){
                var self = this;
                if(self.options.loadingIcon){
                    self.spinner.hide();
                }
                self.nzOffset = self.$elem.offset();
                self.nzWidth = self.$elem.width();
                self.nzHeight = self.$elem.height();
                // reset the zoomlevel back to default
                self.currentZoomLevel = self.options.zoomLevel;
                //ratio of the large to small image
                self.widthRatio = self.largeWidth / self.nzWidth;
                self.heightRatio = self.largeHeight / self.nzHeight;

                //NEED TO ADD THE LENS SIZE FOR ROUND
                // adjust images less than the window height
                if(self.options.zoomType == "window") {
                    if(self.nzHeight < self.options.zoomWindowWidth/self.widthRatio){
                        lensHeight = self.nzHeight;
                    }
                    else{
                        lensHeight = String((self.options.zoomWindowHeight/self.heightRatio))
                    }
                    if(self.options.zoomWindowWidth < self.options.zoomWindowWidth){
                        lensWidth = self.nzWidth;
                    }
                    else{
                        lensWidth =  (self.options.zoomWindowWidth/self.widthRatio);
                    }
                    if(self.zoomLens){
                        self.zoomLens.css('width', lensWidth);
                        self.zoomLens.css('height', lensHeight);
                    }
                }
            },
            getCurrentImage: function(){
                var self = this;
                return self.zoomImage;
            },
            getGalleryList: function(){
                var self = this;
                //loop through the gallery options and set them in list for fancybox
                self.gallerylist = [];
                if (self.options.gallery){
                    $('#'+self.options.gallery + ' a').each(function() {
                        var img_src = '';
                        if($(this).data("zoom-image")){
                            img_src = $(this).data("zoom-image");
                        }
                        else if($(this).data("image")){
                            img_src = $(this).data("image");
                        }
                        //put the current image at the start
                        if(img_src == self.zoomImage){
                            self.gallerylist.unshift({
                                href: ''+img_src+'',
                                title: $(this).find('img').attr("title")
                            });
                        }
                        else{
                            self.gallerylist.push({
                                href: ''+img_src+'',
                                title: $(this).find('img').attr("title")
                            });
                        }
                    });
                }
                //if no gallery - return current image
                else{
                    self.gallerylist.push({
                        href: ''+self.zoomImage+'',
                        title: $(this).find('img').attr("title")
                    });
                }

                return self.gallerylist;
            },

            changeZoomLevel: function(value){
                var self = this;
                //flag a zoom, so can adjust the easing during setPosition
                self.scrollingLock = true;
                //round to two decimal places
                self.newvalue = parseFloat(value).toFixed(2);
                newvalue = parseFloat(value).toFixed(2);

                //maxwidth & Maxheight of the image
                maxheightnewvalue = self.largeHeight/((self.options.zoomWindowHeight / self.nzHeight) * self.nzHeight);
                maxwidthtnewvalue = self.largeWidth/((self.options.zoomWindowWidth / self.nzWidth) * self.nzWidth);

                //calculate new heightratio
                if(self.options.zoomType != "inner")
                {
                    if(maxheightnewvalue <= newvalue){
                        self.heightRatio = (self.largeHeight/maxheightnewvalue) / self.nzHeight;
                        self.newvalueheight = maxheightnewvalue;
                        self.fullheight = true;
                    }
                    else{
                        self.heightRatio = (self.largeHeight/newvalue) / self.nzHeight; 
                        self.newvalueheight = newvalue;
                        self.fullheight = false;
                    }

//                  calculate new width ratio
                    if(maxwidthtnewvalue <= newvalue){
                        self.widthRatio = (self.largeWidth/maxwidthtnewvalue) / self.nzWidth;
                        self.newvaluewidth = maxwidthtnewvalue;
                        self.fullwidth = true;
                    }
                    else{
                        self.widthRatio = (self.largeWidth/newvalue) / self.nzWidth; 
                        self.newvaluewidth = newvalue;
                        self.fullwidth = false;
                    }
                    if(self.options.zoomType == "lens"){
                        if(maxheightnewvalue <= newvalue){
                            self.fullwidth = true;
                            self.newvaluewidth = maxheightnewvalue;
                        } else{
                            self.widthRatio = (self.largeWidth/newvalue) / self.nzWidth; 
                            self.newvaluewidth = newvalue;
                            self.fullwidth = false;
                        }}
                }

                if(self.options.zoomType == "inner")
                {
                    maxheightnewvalue = parseFloat(self.largeHeight/self.nzHeight).toFixed(2);
                    maxwidthtnewvalue = parseFloat(self.largeWidth/self.nzWidth).toFixed(2);
                    if(newvalue > maxheightnewvalue){
                        newvalue = maxheightnewvalue;
                    }
                    if(newvalue > maxwidthtnewvalue){
                        newvalue = maxwidthtnewvalue;
                    }
                    if(maxheightnewvalue <= newvalue){
                        self.heightRatio = (self.largeHeight/newvalue) / self.nzHeight;
                        if(newvalue > maxheightnewvalue){
                            self.newvalueheight = maxheightnewvalue;
                        }else{
                            self.newvalueheight = newvalue;
                        }
                        self.fullheight = true;
                    }
                    else{

                        self.heightRatio = (self.largeHeight/newvalue) / self.nzHeight; 
                        if(newvalue > maxheightnewvalue){
                            self.newvalueheight = maxheightnewvalue;
                        }else{
                            self.newvalueheight = newvalue;
                        }
                        self.fullheight = false;
                    }

                    if(maxwidthtnewvalue <= newvalue){
                        self.widthRatio = (self.largeWidth/newvalue) / self.nzWidth; 
                        if(newvalue > maxwidthtnewvalue){
                            self.newvaluewidth = maxwidthtnewvalue;
                        }else{
                            self.newvaluewidth = newvalue;
                        }
                        self.fullwidth = true;
                    }
                    else{
                        self.widthRatio = (self.largeWidth/newvalue) / self.nzWidth; 
                        self.newvaluewidth = newvalue;
                        self.fullwidth = false;
                    }
                } //end inner
                scrcontinue = false;
                if(self.options.zoomType == "inner"){
                    if(self.nzWidth > self.nzHeight){
                        if( self.newvaluewidth <= maxwidthtnewvalue){
                            scrcontinue = true;
                        }
                        else{
                            scrcontinue = false;
                            self.fullheight = true;
                            self.fullwidth = true;
                        }
                    }
                    if(self.nzHeight > self.nzWidth){
                        if( self.newvaluewidth <= maxwidthtnewvalue){
                            scrcontinue = true;
                        }
                        else{
                            scrcontinue = false; 
                            self.fullheight = true;
                            self.fullwidth = true;
                        }
                    }
                }

                if(self.options.zoomType != "inner"){
                    scrcontinue = true;
                }

                if(scrcontinue){

                    self.zoomLock = 0;
                    self.changeZoom = true;
                    //if lens height is less than image height
                    if(((self.options.zoomWindowHeight)/self.heightRatio) <= self.nzHeight){
                        self.currentZoomLevel = self.newvalueheight; 
                        if(self.options.zoomType != "lens" && self.options.zoomType != "inner") {
                            self.changeBgSize = true;
                            self.zoomLens.css({height: String((self.options.zoomWindowHeight)/self.heightRatio) + 'px' }) 
                        }

                        if(self.options.zoomType == "lens" || self.options.zoomType == "inner") {  
                            self.changeBgSize = true;
                        }
                    }

                    if((self.options.zoomWindowWidth/self.widthRatio) <= self.nzWidth){

                        if(self.options.zoomType != "inner"){
                            if(self.newvaluewidth > self.newvalueheight) {
                                self.currentZoomLevel = self.newvaluewidth;
                            }
                        }

                        if(self.options.zoomType != "lens" && self.options.zoomType != "inner") {
                            self.changeBgSize = true;
                            self.zoomLens.css({width: String((self.options.zoomWindowWidth)/self.widthRatio) + 'px' })
                        }

                        if(self.options.zoomType == "lens" || self.options.zoomType == "inner") {  
                            self.changeBgSize = true;
                        }
                    }

                    if(self.options.zoomType == "inner"){
                        self.changeBgSize = true;
                        if(self.nzWidth > self.nzHeight){
                            self.currentZoomLevel = self.newvaluewidth;
                        }

                        if(self.nzHeight > self.nzWidth){
                            self.currentZoomLevel = self.newvaluewidth;
                        }
                    }
                } //under
                //sets the boundry change, called in setWindowPos
                self.setPosition(self.currentLoc);
                //
            },

            closeAll: function(){
                if(self.zoomWindow){self.zoomWindow.hide();}
                if(self.zoomLens){self.zoomLens.hide();}
                if(self.zoomTint){self.zoomTint.hide();}
            },

            changeState: function(value){
        var self = this;
                if(value == 'enable'){self.options.zoomEnabled = true;}
                if(value == 'disable'){self.options.zoomEnabled = false;}
            }
    };

    $.fn.elevateZoom = function( options ) {
        return this.each(function() {
            var elevate = Object.create( ElevateZoom );
            elevate.init( options, this );
            $.data( this, 'elevateZoom', elevate );
        });
    };

    $.fn.elevateZoom.options = {
            zoomActivation: "hover", // Can also be click (PLACEHOLDER FOR NEXT VERSION)
      zoomEnabled: true, //false disables zoomwindow from showing
            preloading: 1, //by default, load all the images, if 0, then only load images after activated (PLACEHOLDER FOR NEXT VERSION)
            zoomLevel: 1, //default zoom level of image
            scrollZoom: false, //allow zoom on mousewheel, true to activate
            scrollZoomIncrement: 0.1,  //steps of the scrollzoom
            minZoomLevel: false,
            maxZoomLevel: false,
            easing: false,
            easingAmount: 12,
            lensSize: 200,
            zoomWindowWidth: 400,
            zoomWindowHeight: 400,
            zoomWindowOffetx: 0,
            zoomWindowOffety: 0,
            zoomWindowPosition: 1,
            zoomWindowBgColour: "#fff",
            lensFadeIn: false,
            lensFadeOut: false,
            debug: false,
            zoomWindowFadeIn: false,
            zoomWindowFadeOut: false,
            zoomWindowAlwaysShow: false,
            zoomTintFadeIn: false,
            zoomTintFadeOut: false,
            borderSize: 4,
            showLens: true,
            borderColour: "#888",
            lensBorderSize: 1,
            lensBorderColour: "#000",
            lensShape: "square", //can be "round"
            zoomType: "window", //window is default,  also "lens" available -
            containLensZoom: false,
            lensColour: "white", //colour of the lens background
            lensOpacity: 0.4, //opacity of the lens
            lenszoom: false,
            tint: false, //enable the tinting
            tintColour: "#333", //default tint color, can be anything, red, #ccc, rgb(0,0,0)
            tintOpacity: 0.4, //opacity of the tint
            gallery: false,
            galleryActiveClass: "zoomGalleryActive",
            imageCrossfade: false,
            constrainType: false,  //width or height
            constrainSize: false,  //in pixels the dimensions you want to constrain on
            loadingIcon: false, //http://www.example.com/spinner.gif
            cursor:"default", // user should set to what they want the cursor as, if they have set a click function
            responsive:true,
            onComplete: $.noop,
            onZoomedImageLoaded: function() {},
            onImageSwap: $.noop,
            onImageSwapComplete: $.noop,
            zoomContainer: 'body' // will be body
    };

})( jQuery, window, document );