X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/3f5685912e89eb3b0534acd85aa0946b1ca2bbe3..7f1521bf193b382565eb753043c161f4cb3fcda7:/wp-includes/js/imgareaselect/jquery.imgareaselect.js

diff --git a/wp-includes/js/imgareaselect/jquery.imgareaselect.js b/wp-includes/js/imgareaselect/jquery.imgareaselect.js
index aabbcca1..cb4b923d 100644
--- a/wp-includes/js/imgareaselect/jquery.imgareaselect.js
+++ b/wp-includes/js/imgareaselect/jquery.imgareaselect.js
@@ -1 +1,1205 @@
-(function($){var abs=Math.abs,max=Math.max,min=Math.min,round=Math.round;function div(){return $('<div/>')}$.imgAreaSelect=function(img,options){var $img=$(img),imgLoaded,$box=div(),$area=div(),$border=div().add(div()).add(div()).add(div()),$outer=div().add(div()).add(div()).add(div()),$handles=$([]),$areaOpera,left,top,imgOfs,imgWidth,imgHeight,$parent,parOfs,zIndex=0,position='absolute',startX,startY,scaleX,scaleY,resizeMargin=10,resize,aspectRatio,shown,x1,y1,x2,y2,selection={x1:0,y1:0,x2:0,y2:0,width:0,height:0},$p,d,i,o,w,h,adjusted;function viewX(x){return x+imgOfs.left-parOfs.left}function viewY(y){return y+imgOfs.top-parOfs.top}function selX(x){return x-imgOfs.left+parOfs.left}function selY(y){return y-imgOfs.top+parOfs.top}function evX(event){return event.pageX-parOfs.left}function evY(event){return event.pageY-parOfs.top}function getSelection(noScale){var sx=noScale||scaleX,sy=noScale||scaleY;return{x1:round(selection.x1*sx),y1:round(selection.y1*sy),x2:round(selection.x2*sx),y2:round(selection.y2*sy),width:round(selection.x2*sx)-round(selection.x1*sx),height:round(selection.y2*sy)-round(selection.y1*sy)}}function setSelection(x1,y1,x2,y2,noScale){var sx=noScale||scaleX,sy=noScale||scaleY;selection={x1:round(x1/sx),y1:round(y1/sy),x2:round(x2/sx),y2:round(y2/sy)};selection.width=(x2=viewX(selection.x2))-(x1=viewX(selection.x1));selection.height=(y2=viewX(selection.y2))-(y1=viewX(selection.y1))}function adjust(){if(!$img.width())return;imgOfs={left:round($img.offset().left),top:round($img.offset().top)};imgWidth=$img.width();imgHeight=$img.height();if($().jquery=='1.3.2'&&$.browser.safari&&position=='fixed'){imgOfs.top+=max(document.documentElement.scrollTop,$('body').scrollTop());imgOfs.left+=max(document.documentElement.scrollLeft,$('body').scrollLeft())}parOfs=$.inArray($parent.css('position'),['absolute','relative'])+1?{left:round($parent.offset().left)-$parent.scrollLeft(),top:round($parent.offset().top)-$parent.scrollTop()}:position=='fixed'?{left:$(document).scrollLeft(),top:$(document).scrollTop()}:{left:0,top:0};left=viewX(0);top=viewY(0)}function update(resetKeyPress){if(!shown)return;$box.css({left:viewX(selection.x1),top:viewY(selection.y1)}).add($area).width(w=selection.width).height(h=selection.height);$area.add($border).add($handles).css({left:0,top:0});$border.width(max(w-$border.outerWidth()+$border.innerWidth(),0)).height(max(h-$border.outerHeight()+$border.innerHeight(),0));$($outer[0]).css({left:left,top:top,width:selection.x1,height:imgHeight});$($outer[1]).css({left:left+selection.x1,top:top,width:w,height:selection.y1});$($outer[2]).css({left:left+selection.x2,top:top,width:imgWidth-selection.x2,height:imgHeight});$($outer[3]).css({left:left+selection.x1,top:top+selection.y2,width:w,height:imgHeight-selection.y2});w-=$handles.outerWidth();h-=$handles.outerHeight();switch($handles.length){case 8:$($handles[4]).css({left:w/2});$($handles[5]).css({left:w,top:h/2});$($handles[6]).css({left:w/2,top:h});$($handles[7]).css({top:h/2});case 4:$handles.slice(1,3).css({left:w});$handles.slice(2,4).css({top:h})}if(resetKeyPress!==false){if($.imgAreaSelect.keyPress!=docKeyPress)$(document).unbind($.imgAreaSelect.keyPress,$.imgAreaSelect.onKeyPress);if(options.keys)$(document)[$.imgAreaSelect.keyPress]($.imgAreaSelect.onKeyPress=docKeyPress)}if($.browser.msie&&$border.outerWidth()-$border.innerWidth()==2){$border.css('margin',0);setTimeout(function(){$border.css('margin','auto')},0)}}function doUpdate(resetKeyPress){adjust();update(resetKeyPress);x1=viewX(selection.x1);y1=viewY(selection.y1);x2=viewX(selection.x2);y2=viewY(selection.y2)}function hide($elem,fn){options.fadeSpeed?$elem.fadeOut(options.fadeSpeed,fn):$elem.hide()}function areaMouseMove(event){var x=selX(evX(event))-selection.x1,y=selY(evY(event))-selection.y1;if(!adjusted){adjust();adjusted=true;$box.one('mouseout',function(){adjusted=false})}resize='';if(options.resizable){if(y<=resizeMargin)resize='n';else if(y>=selection.height-resizeMargin)resize='s';if(x<=resizeMargin)resize+='w';else if(x>=selection.width-resizeMargin)resize+='e'}$box.css('cursor',resize?resize+'-resize':options.movable?'move':'');if($areaOpera)$areaOpera.toggle()}function docMouseUp(event){$('body').css('cursor','');if(options.autoHide||selection.width*selection.height==0)hide($box.add($outer),function(){$(this).hide()});options.onSelectEnd(img,getSelection());$(document).unbind('mousemove',selectingMouseMove);$box.mousemove(areaMouseMove)}function areaMouseDown(event){if(event.which!=1)return false;adjust();if(resize){$('body').css('cursor',resize+'-resize');x1=viewX(selection[/w/.test(resize)?'x2':'x1']);y1=viewY(selection[/n/.test(resize)?'y2':'y1']);$(document).mousemove(selectingMouseMove).one('mouseup',docMouseUp);$box.unbind('mousemove',areaMouseMove)}else if(options.movable){startX=left+selection.x1-evX(event);startY=top+selection.y1-evY(event);$box.unbind('mousemove',areaMouseMove);$(document).mousemove(movingMouseMove).one('mouseup',function(){options.onSelectEnd(img,getSelection());$(document).unbind('mousemove',movingMouseMove);$box.mousemove(areaMouseMove)})}else $img.mousedown(event);return false}function aspectRatioXY(){x2=max(left,min(left+imgWidth,x1+abs(y2-y1)*aspectRatio*(x2>x1||-1)));y2=round(max(top,min(top+imgHeight,y1+abs(x2-x1)/aspectRatio*(y2>y1||-1))));x2=round(x2)}function aspectRatioYX(){y2=max(top,min(top+imgHeight,y1+abs(x2-x1)/aspectRatio*(y2>y1||-1)));x2=round(max(left,min(left+imgWidth,x1+abs(y2-y1)*aspectRatio*(x2>x1||-1))));y2=round(y2)}function doResize(){if(abs(x2-x1)<options.minWidth){x2=x1-options.minWidth*(x2<x1||-1);if(x2<left)x1=left+options.minWidth;else if(x2>left+imgWidth)x1=left+imgWidth-options.minWidth}if(abs(y2-y1)<options.minHeight){y2=y1-options.minHeight*(y2<y1||-1);if(y2<top)y1=top+options.minHeight;else if(y2>top+imgHeight)y1=top+imgHeight-options.minHeight}x2=max(left,min(x2,left+imgWidth));y2=max(top,min(y2,top+imgHeight));if(aspectRatio)if(abs(x2-x1)/aspectRatio>abs(y2-y1))aspectRatioYX();else aspectRatioXY();if(abs(x2-x1)>options.maxWidth){x2=x1-options.maxWidth*(x2<x1||-1);if(aspectRatio)aspectRatioYX()}if(abs(y2-y1)>options.maxHeight){y2=y1-options.maxHeight*(y2<y1||-1);if(aspectRatio)aspectRatioXY()}selection={x1:selX(min(x1,x2)),x2:selX(max(x1,x2)),y1:selY(min(y1,y2)),y2:selY(max(y1,y2)),width:abs(x2-x1),height:abs(y2-y1)};update();options.onSelectChange(img,getSelection())}function selectingMouseMove(event){x2=resize==''||/w|e/.test(resize)||aspectRatio?evX(event):viewX(selection.x2);y2=resize==''||/n|s/.test(resize)||aspectRatio?evY(event):viewY(selection.y2);doResize();return false}function doMove(newX1,newY1){x2=(x1=newX1)+selection.width;y2=(y1=newY1)+selection.height;selection=$.extend(selection,{x1:selX(x1),y1:selY(y1),x2:selX(x2),y2:selY(y2)});update();options.onSelectChange(img,getSelection())}function movingMouseMove(event){x1=max(left,min(startX+evX(event),left+imgWidth-selection.width));y1=max(top,min(startY+evY(event),top+imgHeight-selection.height));doMove(x1,y1);event.preventDefault();return false}function startSelection(){adjust();x2=x1;y2=y1;doResize();resize='';if($outer.is(':not(:visible)'))$box.add($outer).hide().fadeIn(options.fadeSpeed||0);shown=true;$(document).unbind('mouseup',cancelSelection).mousemove(selectingMouseMove).one('mouseup',docMouseUp);$box.unbind('mousemove',areaMouseMove);options.onSelectStart(img,getSelection())}function cancelSelection(){$(document).unbind('mousemove',startSelection);hide($box.add($outer));selection={x1:selX(x1),y1:selY(y1),x2:selX(x1),y2:selY(y1),width:0,height:0};options.onSelectChange(img,getSelection());options.onSelectEnd(img,getSelection())}function imgMouseDown(event){if(event.which!=1||$outer.is(':animated'))return false;adjust();startX=x1=evX(event);startY=y1=evY(event);$(document).one('mousemove',startSelection).one('mouseup',cancelSelection);return false}function parentScroll(){doUpdate(false)}function imgLoad(){imgLoaded=true;setOptions(options=$.extend({classPrefix:'imgareaselect',movable:true,resizable:true,parent:'body',onInit:function(){},onSelectStart:function(){},onSelectChange:function(){},onSelectEnd:function(){}},options));$box.add($outer).css({visibility:''});if(options.show){shown=true;adjust();update();$box.add($outer).hide().fadeIn(options.fadeSpeed||0)}setTimeout(function(){options.onInit(img,getSelection())},0)}var docKeyPress=function(event){var k=options.keys,d,t,key=event.keyCode||event.which;d=!isNaN(k.alt)&&(event.altKey||event.originalEvent.altKey)?k.alt:!isNaN(k.ctrl)&&event.ctrlKey?k.ctrl:!isNaN(k.shift)&&event.shiftKey?k.shift:!isNaN(k.arrows)?k.arrows:10;if(k.arrows=='resize'||(k.shift=='resize'&&event.shiftKey)||(k.ctrl=='resize'&&event.ctrlKey)||(k.alt=='resize'&&(event.altKey||event.originalEvent.altKey))){switch(key){case 37:d=-d;case 39:t=max(x1,x2);x1=min(x1,x2);x2=max(t+d,x1);if(aspectRatio)aspectRatioYX();break;case 38:d=-d;case 40:t=max(y1,y2);y1=min(y1,y2);y2=max(t+d,y1);if(aspectRatio)aspectRatioXY();break;default:return}doResize()}else{x1=min(x1,x2);y1=min(y1,y2);switch(key){case 37:doMove(max(x1-d,left),y1);break;case 38:doMove(x1,max(y1-d,top));break;case 39:doMove(x1+min(d,imgWidth-selX(x2)),y1);break;case 40:doMove(x1,y1+min(d,imgHeight-selY(y2)));break;default:return}}return false};function styleOptions($elem,props){for(option in props)if(options[option]!==undefined)$elem.css(props[option],options[option])}function setOptions(newOptions){if(newOptions.parent)($parent=$(newOptions.parent)).append($box.add($outer));options=$.extend(options,newOptions);adjust();if(newOptions.handles!=null){$handles.remove();$handles=$([]);i=newOptions.handles?newOptions.handles=='corners'?4:8:0;while(i--)$handles=$handles.add(div());$handles.addClass(options.classPrefix+'-handle').css({position:'absolute',fontSize:0,zIndex:zIndex+1||1});if(!parseInt($handles.css('width')))$handles.width(5).height(5);if(o=options.borderWidth)$handles.css({borderWidth:o,borderStyle:'solid'});styleOptions($handles,{borderColor1:'border-color',borderColor2:'background-color',borderOpacity:'opacity'})}scaleX=options.imageWidth/imgWidth||1;scaleY=options.imageHeight/imgHeight||1;if(newOptions.x1!=null){setSelection(newOptions.x1,newOptions.y1,newOptions.x2,newOptions.y2);newOptions.show=!newOptions.hide}if(newOptions.keys)options.keys=$.extend({shift:1,ctrl:'resize'},newOptions.keys);$outer.addClass(options.classPrefix+'-outer');$area.addClass(options.classPrefix+'-selection');for(i=0;i++<4;)$($border[i-1]).addClass(options.classPrefix+'-border'+i);styleOptions($area,{selectionColor:'background-color',selectionOpacity:'opacity'});styleOptions($border,{borderOpacity:'opacity',borderWidth:'border-width'});styleOptions($outer,{outerColor:'background-color',outerOpacity:'opacity'});if(o=options.borderColor1)$($border[0]).css({borderStyle:'solid',borderColor:o});if(o=options.borderColor2)$($border[1]).css({borderStyle:'dashed',borderColor:o});$box.append($area.add($border).add($handles).add($areaOpera));if($.browser.msie){if(o=$outer.css('filter').match(/opacity=([0-9]+)/))$outer.css('opacity',o[1]/100);if(o=$border.css('filter').match(/opacity=([0-9]+)/))$border.css('opacity',o[1]/100)}if(newOptions.hide)hide($box.add($outer));else if(newOptions.show&&imgLoaded){shown=true;$box.add($outer).fadeIn(options.fadeSpeed||0);doUpdate()}aspectRatio=(d=(options.aspectRatio||'').split(/:/))[0]/d[1];if(options.disable||options.enable===false){$box.unbind('mousemove',areaMouseMove).unbind('mousedown',areaMouseDown);$img.add($outer).unbind('mousedown',imgMouseDown);$(window).unbind('resize',parentScroll);$img.add($img.parents()).unbind('scroll',parentScroll)}else if(options.enable||options.disable===false){if(options.resizable||options.movable)$box.mousemove(areaMouseMove).mousedown(areaMouseDown);if(!options.persistent)$img.add($outer).mousedown(imgMouseDown);$(window).resize(parentScroll);$img.add($img.parents()).scroll(parentScroll)}options.enable=options.disable=undefined}this.getOptions=function(){return options};this.setOptions=setOptions;this.getSelection=getSelection;this.setSelection=setSelection;this.update=doUpdate;$p=$img;while($p.length&&!$p.is('body')){if(!isNaN($p.css('z-index'))&&$p.css('z-index')>zIndex)zIndex=$p.css('z-index');if($p.css('position')=='fixed')position='fixed';$p=$p.parent()}if(!isNaN(options.zIndex))zIndex=options.zIndex;if($.browser.msie)$img.attr('unselectable','on');$.imgAreaSelect.keyPress=$.browser.msie||$.browser.safari?'keydown':'keypress';if($.browser.opera)$areaOpera=div().css({width:'100%',height:'100%',position:'absolute',zIndex:zIndex+2||2});$box.add($outer).css({visibility:'hidden',position:position,overflow:'hidden',zIndex:zIndex||'0'});$box.css({zIndex:zIndex+2||2});$area.add($border).css({position:'absolute'});img.complete||img.readyState=='complete'||!$img.is('img')?imgLoad():$img.one('load',imgLoad)};$.fn.imgAreaSelect=function(options){options=options||{};this.each(function(){if($(this).data('imgAreaSelect'))$(this).data('imgAreaSelect').setOptions(options);else{if(options.enable===undefined&&options.disable===undefined)options.enable=true;$(this).data('imgAreaSelect',new $.imgAreaSelect(this,options))}});if(options.instance)return $(this).data('imgAreaSelect');return this}})(jQuery);
\ No newline at end of file
+/*
+ * imgAreaSelect jQuery plugin
+ * version 0.9.10
+ *
+ * Copyright (c) 2008-2013 Michal Wojciechowski (odyniec.net)
+ *
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ *
+ * http://odyniec.net/projects/imgareaselect/
+ *
+ */
+
+(function($) {
+
+/*
+ * Math functions will be used extensively, so it's convenient to make a few
+ * shortcuts
+ */
+var abs = Math.abs,
+    max = Math.max,
+    min = Math.min,
+    round = Math.round;
+
+/**
+ * Create a new HTML div element
+ *
+ * @return A jQuery object representing the new element
+ */
+function div() {
+    return $('<div/>');
+}
+
+/**
+ * imgAreaSelect initialization
+ *
+ * @param img
+ *            A HTML image element to attach the plugin to
+ * @param options
+ *            An options object
+ */
+$.imgAreaSelect = function (img, options) {
+    var
+        /* jQuery object representing the image */
+        $img = $(img),
+
+        /* Has the image finished loading? */
+        imgLoaded,
+
+        /* Plugin elements */
+
+        /* Container box */
+        $box = div(),
+        /* Selection area */
+        $area = div(),
+        /* Border (four divs) */
+        $border = div().add(div()).add(div()).add(div()),
+        /* Outer area (four divs) */
+        $outer = div().add(div()).add(div()).add(div()),
+        /* Handles (empty by default, initialized in setOptions()) */
+        $handles = $([]),
+
+        /*
+         * Additional element to work around a cursor problem in Opera
+         * (explained later)
+         */
+        $areaOpera,
+
+        /* Image position (relative to viewport) */
+        left, top,
+
+        /* Image offset (as returned by .offset()) */
+        imgOfs = { left: 0, top: 0 },
+
+        /* Image dimensions (as returned by .width() and .height()) */
+        imgWidth, imgHeight,
+
+        /*
+         * jQuery object representing the parent element that the plugin
+         * elements are appended to
+         */
+        $parent,
+
+        /* Parent element offset (as returned by .offset()) */
+        parOfs = { left: 0, top: 0 },
+
+        /* Base z-index for plugin elements */
+        zIndex = 0,
+
+        /* Plugin elements position */
+        position = 'absolute',
+
+        /* X/Y coordinates of the starting point for move/resize operations */
+        startX, startY,
+
+        /* Horizontal and vertical scaling factors */
+        scaleX, scaleY,
+
+        /* Current resize mode ("nw", "se", etc.) */
+        resize,
+
+        /* Selection area constraints */
+        minWidth, minHeight, maxWidth, maxHeight,
+
+        /* Aspect ratio to maintain (floating point number) */
+        aspectRatio,
+
+        /* Are the plugin elements currently displayed? */
+        shown,
+
+        /* Current selection (relative to parent element) */
+        x1, y1, x2, y2,
+
+        /* Current selection (relative to scaled image) */
+        selection = { x1: 0, y1: 0, x2: 0, y2: 0, width: 0, height: 0 },
+
+        /* Document element */
+        docElem = document.documentElement,
+
+        /* User agent */
+        ua = navigator.userAgent,
+
+        /* Various helper variables used throughout the code */
+        $p, d, i, o, w, h, adjusted;
+
+    /*
+     * Translate selection coordinates (relative to scaled image) to viewport
+     * coordinates (relative to parent element)
+     */
+
+    /**
+     * Translate selection X to viewport X
+     *
+     * @param x
+     *            Selection X
+     * @return Viewport X
+     */
+    function viewX(x) {
+        return x + imgOfs.left - parOfs.left;
+    }
+
+    /**
+     * Translate selection Y to viewport Y
+     *
+     * @param y
+     *            Selection Y
+     * @return Viewport Y
+     */
+    function viewY(y) {
+        return y + imgOfs.top - parOfs.top;
+    }
+
+    /*
+     * Translate viewport coordinates to selection coordinates
+     */
+
+    /**
+     * Translate viewport X to selection X
+     *
+     * @param x
+     *            Viewport X
+     * @return Selection X
+     */
+    function selX(x) {
+        return x - imgOfs.left + parOfs.left;
+    }
+
+    /**
+     * Translate viewport Y to selection Y
+     *
+     * @param y
+     *            Viewport Y
+     * @return Selection Y
+     */
+    function selY(y) {
+        return y - imgOfs.top + parOfs.top;
+    }
+
+    /*
+     * Translate event coordinates (relative to document) to viewport
+     * coordinates
+     */
+
+    /**
+     * Get event X and translate it to viewport X
+     *
+     * @param event
+     *            The event object
+     * @return Viewport X
+     */
+    function evX(event) {
+        return event.pageX - parOfs.left;
+    }
+
+    /**
+     * Get event Y and translate it to viewport Y
+     *
+     * @param event
+     *            The event object
+     * @return Viewport Y
+     */
+    function evY(event) {
+        return event.pageY - parOfs.top;
+    }
+
+    /**
+     * Get the current selection
+     *
+     * @param noScale
+     *            If set to <code>true</code>, scaling is not applied to the
+     *            returned selection
+     * @return Selection object
+     */
+    function getSelection(noScale) {
+        var sx = noScale || scaleX, sy = noScale || scaleY;
+
+        return { x1: round(selection.x1 * sx),
+            y1: round(selection.y1 * sy),
+            x2: round(selection.x2 * sx),
+            y2: round(selection.y2 * sy),
+            width: round(selection.x2 * sx) - round(selection.x1 * sx),
+            height: round(selection.y2 * sy) - round(selection.y1 * sy) };
+    }
+
+    /**
+     * Set the current selection
+     *
+     * @param x1
+     *            X coordinate of the upper left corner of the selection area
+     * @param y1
+     *            Y coordinate of the upper left corner of the selection area
+     * @param x2
+     *            X coordinate of the lower right corner of the selection area
+     * @param y2
+     *            Y coordinate of the lower right corner of the selection area
+     * @param noScale
+     *            If set to <code>true</code>, scaling is not applied to the
+     *            new selection
+     */
+    function setSelection(x1, y1, x2, y2, noScale) {
+        var sx = noScale || scaleX, sy = noScale || scaleY;
+
+        selection = {
+            x1: round(x1 / sx || 0),
+            y1: round(y1 / sy || 0),
+            x2: round(x2 / sx || 0),
+            y2: round(y2 / sy || 0)
+        };
+
+        selection.width = selection.x2 - selection.x1;
+        selection.height = selection.y2 - selection.y1;
+    }
+
+    /**
+     * Recalculate image and parent offsets
+     */
+    function adjust() {
+        /*
+         * Do not adjust if image has not yet loaded or if width is not a
+         * positive number. The latter might happen when imgAreaSelect is put
+         * on a parent element which is then hidden.
+         */
+        if (!imgLoaded || !$img.width())
+            return;
+
+        /*
+         * Get image offset. The .offset() method returns float values, so they
+         * need to be rounded.
+         */
+        imgOfs = { left: round($img.offset().left), top: round($img.offset().top) };
+
+        /* Get image dimensions */
+        imgWidth = $img.innerWidth();
+        imgHeight = $img.innerHeight();
+
+        imgOfs.top += ($img.outerHeight() - imgHeight) >> 1;
+        imgOfs.left += ($img.outerWidth() - imgWidth) >> 1;
+
+        /* Set minimum and maximum selection area dimensions */
+        minWidth = round(options.minWidth / scaleX) || 0;
+        minHeight = round(options.minHeight / scaleY) || 0;
+        maxWidth = round(min(options.maxWidth / scaleX || 1<<24, imgWidth));
+        maxHeight = round(min(options.maxHeight / scaleY || 1<<24, imgHeight));
+
+        /*
+         * Workaround for jQuery 1.3.2 incorrect offset calculation, originally
+         * observed in Safari 3. Firefox 2 is also affected.
+         */
+        if ($().jquery == '1.3.2' && position == 'fixed' &&
+            !docElem['getBoundingClientRect'])
+        {
+            imgOfs.top += max(document.body.scrollTop, docElem.scrollTop);
+            imgOfs.left += max(document.body.scrollLeft, docElem.scrollLeft);
+        }
+
+        /* Determine parent element offset */
+        parOfs = /absolute|relative/.test($parent.css('position')) ?
+            { left: round($parent.offset().left) - $parent.scrollLeft(),
+                top: round($parent.offset().top) - $parent.scrollTop() } :
+            position == 'fixed' ?
+                { left: $(document).scrollLeft(), top: $(document).scrollTop() } :
+                { left: 0, top: 0 };
+
+        left = viewX(0);
+        top = viewY(0);
+
+        /*
+         * Check if selection area is within image boundaries, adjust if
+         * necessary
+         */
+        if (selection.x2 > imgWidth || selection.y2 > imgHeight)
+            doResize();
+    }
+
+    /**
+     * Update plugin elements
+     *
+     * @param resetKeyPress
+     *            If set to <code>false</code>, this instance's keypress
+     *            event handler is not activated
+     */
+    function update(resetKeyPress) {
+        /* If plugin elements are hidden, do nothing */
+        if (!shown) return;
+
+        /*
+         * Set the position and size of the container box and the selection area
+         * inside it
+         */
+        $box.css({ left: viewX(selection.x1), top: viewY(selection.y1) })
+            .add($area).width(w = selection.width).height(h = selection.height);
+
+        /*
+         * Reset the position of selection area, borders, and handles (IE6/IE7
+         * position them incorrectly if we don't do this)
+         */
+        $area.add($border).add($handles).css({ left: 0, top: 0 });
+
+        /* Set border dimensions */
+        $border
+            .width(max(w - $border.outerWidth() + $border.innerWidth(), 0))
+            .height(max(h - $border.outerHeight() + $border.innerHeight(), 0));
+
+        /* Arrange the outer area elements */
+        $($outer[0]).css({ left: left, top: top,
+            width: selection.x1, height: imgHeight });
+        $($outer[1]).css({ left: left + selection.x1, top: top,
+            width: w, height: selection.y1 });
+        $($outer[2]).css({ left: left + selection.x2, top: top,
+            width: imgWidth - selection.x2, height: imgHeight });
+        $($outer[3]).css({ left: left + selection.x1, top: top + selection.y2,
+            width: w, height: imgHeight - selection.y2 });
+
+        w -= $handles.outerWidth();
+        h -= $handles.outerHeight();
+
+        /* Arrange handles */
+        switch ($handles.length) {
+        case 8:
+            $($handles[4]).css({ left: w >> 1 });
+            $($handles[5]).css({ left: w, top: h >> 1 });
+            $($handles[6]).css({ left: w >> 1, top: h });
+            $($handles[7]).css({ top: h >> 1 });
+        case 4:
+            $handles.slice(1,3).css({ left: w });
+            $handles.slice(2,4).css({ top: h });
+        }
+
+        if (resetKeyPress !== false) {
+            /*
+             * Need to reset the document keypress event handler -- unbind the
+             * current handler
+             */
+            if ($.imgAreaSelect.onKeyPress != docKeyPress)
+                $(document).unbind($.imgAreaSelect.keyPress,
+                    $.imgAreaSelect.onKeyPress);
+
+            if (options.keys)
+                /*
+                 * Set the document keypress event handler to this instance's
+                 * docKeyPress() function
+                 */
+                $(document)[$.imgAreaSelect.keyPress](
+                    $.imgAreaSelect.onKeyPress = docKeyPress);
+        }
+
+        /*
+         * Internet Explorer displays 1px-wide dashed borders incorrectly by
+         * filling the spaces between dashes with white. Toggling the margin
+         * property between 0 and "auto" fixes this in IE6 and IE7 (IE8 is still
+         * broken). This workaround is not perfect, as it requires setTimeout()
+         * and thus causes the border to flicker a bit, but I haven't found a
+         * better solution.
+         *
+         * Note: This only happens with CSS borders, set with the borderWidth,
+         * borderOpacity, borderColor1, and borderColor2 options (which are now
+         * deprecated). Borders created with GIF background images are fine.
+         */
+        if (msie && $border.outerWidth() - $border.innerWidth() == 2) {
+            $border.css('margin', 0);
+            setTimeout(function () { $border.css('margin', 'auto'); }, 0);
+        }
+    }
+
+    /**
+     * Do the complete update sequence: recalculate offsets, update the
+     * elements, and set the correct values of x1, y1, x2, and y2.
+     *
+     * @param resetKeyPress
+     *            If set to <code>false</code>, this instance's keypress
+     *            event handler is not activated
+     */
+    function doUpdate(resetKeyPress) {
+        adjust();
+        update(resetKeyPress);
+        x1 = viewX(selection.x1); y1 = viewY(selection.y1);
+        x2 = viewX(selection.x2); y2 = viewY(selection.y2);
+    }
+
+    /**
+     * Hide or fade out an element (or multiple elements)
+     *
+     * @param $elem
+     *            A jQuery object containing the element(s) to hide/fade out
+     * @param fn
+     *            Callback function to be called when fadeOut() completes
+     */
+    function hide($elem, fn) {
+        options.fadeSpeed ? $elem.fadeOut(options.fadeSpeed, fn) : $elem.hide();
+    }
+
+    /**
+     * Selection area mousemove event handler
+     *
+     * @param event
+     *            The event object
+     */
+    function areaMouseMove(event) {
+        var x = selX(evX(event)) - selection.x1,
+            y = selY(evY(event)) - selection.y1;
+
+        if (!adjusted) {
+            adjust();
+            adjusted = true;
+
+            $box.one('mouseout', function () { adjusted = false; });
+        }
+
+        /* Clear the resize mode */
+        resize = '';
+
+        if (options.resizable) {
+            /*
+             * Check if the mouse pointer is over the resize margin area and set
+             * the resize mode accordingly
+             */
+            if (y <= options.resizeMargin)
+                resize = 'n';
+            else if (y >= selection.height - options.resizeMargin)
+                resize = 's';
+            if (x <= options.resizeMargin)
+                resize += 'w';
+            else if (x >= selection.width - options.resizeMargin)
+                resize += 'e';
+        }
+
+        $box.css('cursor', resize ? resize + '-resize' :
+            options.movable ? 'move' : '');
+        if ($areaOpera)
+            $areaOpera.toggle();
+    }
+
+    /**
+     * Document mouseup event handler
+     *
+     * @param event
+     *            The event object
+     */
+    function docMouseUp(event) {
+        /* Set back the default cursor */
+        $('body').css('cursor', '');
+        /*
+         * If autoHide is enabled, or if the selection has zero width/height,
+         * hide the selection and the outer area
+         */
+        if (options.autoHide || selection.width * selection.height == 0)
+            hide($box.add($outer), function () { $(this).hide(); });
+
+        $(document).unbind('mousemove', selectingMouseMove);
+        $box.mousemove(areaMouseMove);
+
+        options.onSelectEnd(img, getSelection());
+    }
+
+    /**
+     * Selection area mousedown event handler
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    function areaMouseDown(event) {
+        if (event.which != 1) return false;
+
+        adjust();
+
+        if (resize) {
+            /* Resize mode is in effect */
+            $('body').css('cursor', resize + '-resize');
+
+            x1 = viewX(selection[/w/.test(resize) ? 'x2' : 'x1']);
+            y1 = viewY(selection[/n/.test(resize) ? 'y2' : 'y1']);
+
+            $(document).mousemove(selectingMouseMove)
+                .one('mouseup', docMouseUp);
+            $box.unbind('mousemove', areaMouseMove);
+        }
+        else if (options.movable) {
+            startX = left + selection.x1 - evX(event);
+            startY = top + selection.y1 - evY(event);
+
+            $box.unbind('mousemove', areaMouseMove);
+
+            $(document).mousemove(movingMouseMove)
+                .one('mouseup', function () {
+                    options.onSelectEnd(img, getSelection());
+
+                    $(document).unbind('mousemove', movingMouseMove);
+                    $box.mousemove(areaMouseMove);
+                });
+        }
+        else
+            $img.mousedown(event);
+
+        return false;
+    }
+
+    /**
+     * Adjust the x2/y2 coordinates to maintain aspect ratio (if defined)
+     *
+     * @param xFirst
+     *            If set to <code>true</code>, calculate x2 first. Otherwise,
+     *            calculate y2 first.
+     */
+    function fixAspectRatio(xFirst) {
+        if (aspectRatio)
+            if (xFirst) {
+                x2 = max(left, min(left + imgWidth,
+                    x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1)));
+                y2 = round(max(top, min(top + imgHeight,
+                    y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1))));
+                x2 = round(x2);
+            }
+            else {
+                y2 = max(top, min(top + imgHeight,
+                    y1 + abs(x2 - x1) / aspectRatio * (y2 > y1 || -1)));
+                x2 = round(max(left, min(left + imgWidth,
+                    x1 + abs(y2 - y1) * aspectRatio * (x2 > x1 || -1))));
+                y2 = round(y2);
+            }
+    }
+
+    /**
+     * Resize the selection area respecting the minimum/maximum dimensions and
+     * aspect ratio
+     */
+    function doResize() {
+        /*
+         * Make sure the top left corner of the selection area stays within
+         * image boundaries (it might not if the image source was dynamically
+         * changed).
+         */
+        x1 = min(x1, left + imgWidth);
+        y1 = min(y1, top + imgHeight);
+
+        if (abs(x2 - x1) < minWidth) {
+            /* Selection width is smaller than minWidth */
+            x2 = x1 - minWidth * (x2 < x1 || -1);
+
+            if (x2 < left)
+                x1 = left + minWidth;
+            else if (x2 > left + imgWidth)
+                x1 = left + imgWidth - minWidth;
+        }
+
+        if (abs(y2 - y1) < minHeight) {
+            /* Selection height is smaller than minHeight */
+            y2 = y1 - minHeight * (y2 < y1 || -1);
+
+            if (y2 < top)
+                y1 = top + minHeight;
+            else if (y2 > top + imgHeight)
+                y1 = top + imgHeight - minHeight;
+        }
+
+        x2 = max(left, min(x2, left + imgWidth));
+        y2 = max(top, min(y2, top + imgHeight));
+
+        fixAspectRatio(abs(x2 - x1) < abs(y2 - y1) * aspectRatio);
+
+        if (abs(x2 - x1) > maxWidth) {
+            /* Selection width is greater than maxWidth */
+            x2 = x1 - maxWidth * (x2 < x1 || -1);
+            fixAspectRatio();
+        }
+
+        if (abs(y2 - y1) > maxHeight) {
+            /* Selection height is greater than maxHeight */
+            y2 = y1 - maxHeight * (y2 < y1 || -1);
+            fixAspectRatio(true);
+        }
+
+        selection = { x1: selX(min(x1, x2)), x2: selX(max(x1, x2)),
+            y1: selY(min(y1, y2)), y2: selY(max(y1, y2)),
+            width: abs(x2 - x1), height: abs(y2 - y1) };
+
+        update();
+
+        options.onSelectChange(img, getSelection());
+    }
+
+    /**
+     * Mousemove event handler triggered when the user is selecting an area
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    function selectingMouseMove(event) {
+        x2 = /w|e|^$/.test(resize) || aspectRatio ? evX(event) : viewX(selection.x2);
+        y2 = /n|s|^$/.test(resize) || aspectRatio ? evY(event) : viewY(selection.y2);
+
+        doResize();
+
+        return false;
+    }
+
+    /**
+     * Move the selection area
+     *
+     * @param newX1
+     *            New viewport X1
+     * @param newY1
+     *            New viewport Y1
+     */
+    function doMove(newX1, newY1) {
+        x2 = (x1 = newX1) + selection.width;
+        y2 = (y1 = newY1) + selection.height;
+
+        $.extend(selection, { x1: selX(x1), y1: selY(y1), x2: selX(x2),
+            y2: selY(y2) });
+
+        update();
+
+        options.onSelectChange(img, getSelection());
+    }
+
+    /**
+     * Mousemove event handler triggered when the selection area is being moved
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    function movingMouseMove(event) {
+        x1 = max(left, min(startX + evX(event), left + imgWidth - selection.width));
+        y1 = max(top, min(startY + evY(event), top + imgHeight - selection.height));
+
+        doMove(x1, y1);
+
+        event.preventDefault();
+        return false;
+    }
+
+    /**
+     * Start selection
+     */
+    function startSelection() {
+        $(document).unbind('mousemove', startSelection);
+        adjust();
+
+        x2 = x1;
+        y2 = y1;
+        doResize();
+
+        resize = '';
+
+        if (!$outer.is(':visible'))
+            /* Show the plugin elements */
+            $box.add($outer).hide().fadeIn(options.fadeSpeed||0);
+
+        shown = true;
+
+        $(document).unbind('mouseup', cancelSelection)
+            .mousemove(selectingMouseMove).one('mouseup', docMouseUp);
+        $box.unbind('mousemove', areaMouseMove);
+
+        options.onSelectStart(img, getSelection());
+    }
+
+    /**
+     * Cancel selection
+     */
+    function cancelSelection() {
+        $(document).unbind('mousemove', startSelection)
+            .unbind('mouseup', cancelSelection);
+        hide($box.add($outer));
+
+        setSelection(selX(x1), selY(y1), selX(x1), selY(y1));
+
+        /* If this is an API call, callback functions should not be triggered */
+        if (!(this instanceof $.imgAreaSelect)) {
+            options.onSelectChange(img, getSelection());
+            options.onSelectEnd(img, getSelection());
+        }
+    }
+
+    /**
+     * Image mousedown event handler
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    function imgMouseDown(event) {
+        /* Ignore the event if animation is in progress */
+        if (event.which != 1 || $outer.is(':animated')) return false;
+
+        adjust();
+        startX = x1 = evX(event);
+        startY = y1 = evY(event);
+
+        /* Selection will start when the mouse is moved */
+        $(document).mousemove(startSelection).mouseup(cancelSelection);
+
+        return false;
+    }
+
+    /**
+     * Window resize event handler
+     */
+    function windowResize() {
+        doUpdate(false);
+    }
+
+    /**
+     * Image load event handler. This is the final part of the initialization
+     * process.
+     */
+    function imgLoad() {
+        imgLoaded = true;
+
+        /* Set options */
+        setOptions(options = $.extend({
+            classPrefix: 'imgareaselect',
+            movable: true,
+            parent: 'body',
+            resizable: true,
+            resizeMargin: 10,
+            onInit: function () {},
+            onSelectStart: function () {},
+            onSelectChange: function () {},
+            onSelectEnd: function () {}
+        }, options));
+
+        $box.add($outer).css({ visibility: '' });
+
+        if (options.show) {
+            shown = true;
+            adjust();
+            update();
+            $box.add($outer).hide().fadeIn(options.fadeSpeed||0);
+        }
+
+        /*
+         * Call the onInit callback. The setTimeout() call is used to ensure
+         * that the plugin has been fully initialized and the object instance is
+         * available (so that it can be obtained in the callback).
+         */
+        setTimeout(function () { options.onInit(img, getSelection()); }, 0);
+    }
+
+    /**
+     * Document keypress event handler
+     *
+     * @param event
+     *            The event object
+     * @return false
+     */
+    var docKeyPress = function(event) {
+        var k = options.keys, d, t, key = event.keyCode;
+
+        d = !isNaN(k.alt) && (event.altKey || event.originalEvent.altKey) ? k.alt :
+            !isNaN(k.ctrl) && event.ctrlKey ? k.ctrl :
+            !isNaN(k.shift) && event.shiftKey ? k.shift :
+            !isNaN(k.arrows) ? k.arrows : 10;
+
+        if (k.arrows == 'resize' || (k.shift == 'resize' && event.shiftKey) ||
+            (k.ctrl == 'resize' && event.ctrlKey) ||
+            (k.alt == 'resize' && (event.altKey || event.originalEvent.altKey)))
+        {
+            /* Resize selection */
+
+            switch (key) {
+            case 37:
+                /* Left */
+                d = -d;
+            case 39:
+                /* Right */
+                t = max(x1, x2);
+                x1 = min(x1, x2);
+                x2 = max(t + d, x1);
+                fixAspectRatio();
+                break;
+            case 38:
+                /* Up */
+                d = -d;
+            case 40:
+                /* Down */
+                t = max(y1, y2);
+                y1 = min(y1, y2);
+                y2 = max(t + d, y1);
+                fixAspectRatio(true);
+                break;
+            default:
+                return;
+            }
+
+            doResize();
+        }
+        else {
+            /* Move selection */
+
+            x1 = min(x1, x2);
+            y1 = min(y1, y2);
+
+            switch (key) {
+            case 37:
+                /* Left */
+                doMove(max(x1 - d, left), y1);
+                break;
+            case 38:
+                /* Up */
+                doMove(x1, max(y1 - d, top));
+                break;
+            case 39:
+                /* Right */
+                doMove(x1 + min(d, imgWidth - selX(x2)), y1);
+                break;
+            case 40:
+                /* Down */
+                doMove(x1, y1 + min(d, imgHeight - selY(y2)));
+                break;
+            default:
+                return;
+            }
+        }
+
+        return false;
+    };
+
+    /**
+     * Apply style options to plugin element (or multiple elements)
+     *
+     * @param $elem
+     *            A jQuery object representing the element(s) to style
+     * @param props
+     *            An object that maps option names to corresponding CSS
+     *            properties
+     */
+    function styleOptions($elem, props) {
+        for (var option in props)
+            if (options[option] !== undefined)
+                $elem.css(props[option], options[option]);
+    }
+
+    /**
+     * Set plugin options
+     *
+     * @param newOptions
+     *            The new options object
+     */
+    function setOptions(newOptions) {
+        if (newOptions.parent)
+            ($parent = $(newOptions.parent)).append($box.add($outer));
+
+        /* Merge the new options with the existing ones */
+        $.extend(options, newOptions);
+
+        adjust();
+
+        if (newOptions.handles != null) {
+            /* Recreate selection area handles */
+            $handles.remove();
+            $handles = $([]);
+
+            i = newOptions.handles ? newOptions.handles == 'corners' ? 4 : 8 : 0;
+
+            while (i--)
+                $handles = $handles.add(div());
+
+            /* Add a class to handles and set the CSS properties */
+            $handles.addClass(options.classPrefix + '-handle').css({
+                position: 'absolute',
+                /*
+                 * The font-size property needs to be set to zero, otherwise
+                 * Internet Explorer makes the handles too large
+                 */
+                fontSize: 0,
+                zIndex: zIndex + 1 || 1
+            });
+
+            /*
+             * If handle width/height has not been set with CSS rules, set the
+             * default 5px
+             */
+            if (!parseInt($handles.css('width')) >= 0)
+                $handles.width(5).height(5);
+
+            /*
+             * If the borderWidth option is in use, add a solid border to
+             * handles
+             */
+            if (o = options.borderWidth)
+                $handles.css({ borderWidth: o, borderStyle: 'solid' });
+
+            /* Apply other style options */
+            styleOptions($handles, { borderColor1: 'border-color',
+                borderColor2: 'background-color',
+                borderOpacity: 'opacity' });
+        }
+
+        /* Calculate scale factors */
+        scaleX = options.imageWidth / imgWidth || 1;
+        scaleY = options.imageHeight / imgHeight || 1;
+
+        /* Set selection */
+        if (newOptions.x1 != null) {
+            setSelection(newOptions.x1, newOptions.y1, newOptions.x2,
+                newOptions.y2);
+            newOptions.show = !newOptions.hide;
+        }
+
+        if (newOptions.keys)
+            /* Enable keyboard support */
+            options.keys = $.extend({ shift: 1, ctrl: 'resize' },
+                newOptions.keys);
+
+        /* Add classes to plugin elements */
+        $outer.addClass(options.classPrefix + '-outer');
+        $area.addClass(options.classPrefix + '-selection');
+        for (i = 0; i++ < 4;)
+            $($border[i-1]).addClass(options.classPrefix + '-border' + i);
+
+        /* Apply style options */
+        styleOptions($area, { selectionColor: 'background-color',
+            selectionOpacity: 'opacity' });
+        styleOptions($border, { borderOpacity: 'opacity',
+            borderWidth: 'border-width' });
+        styleOptions($outer, { outerColor: 'background-color',
+            outerOpacity: 'opacity' });
+        if (o = options.borderColor1)
+            $($border[0]).css({ borderStyle: 'solid', borderColor: o });
+        if (o = options.borderColor2)
+            $($border[1]).css({ borderStyle: 'dashed', borderColor: o });
+
+        /* Append all the selection area elements to the container box */
+        $box.append($area.add($border).add($areaOpera)).append($handles);
+
+        if (msie) {
+            if (o = ($outer.css('filter')||'').match(/opacity=(\d+)/))
+                $outer.css('opacity', o[1]/100);
+            if (o = ($border.css('filter')||'').match(/opacity=(\d+)/))
+                $border.css('opacity', o[1]/100);
+        }
+
+        if (newOptions.hide)
+            hide($box.add($outer));
+        else if (newOptions.show && imgLoaded) {
+            shown = true;
+            $box.add($outer).fadeIn(options.fadeSpeed||0);
+            doUpdate();
+        }
+
+        /* Calculate the aspect ratio factor */
+        aspectRatio = (d = (options.aspectRatio || '').split(/:/))[0] / d[1];
+
+        $img.add($outer).unbind('mousedown', imgMouseDown);
+
+        if (options.disable || options.enable === false) {
+            /* Disable the plugin */
+            $box.unbind('mousemove', areaMouseMove).unbind('mousedown', areaMouseDown);
+            $(window).unbind('resize', windowResize);
+        }
+        else {
+            if (options.enable || options.disable === false) {
+                /* Enable the plugin */
+                if (options.resizable || options.movable)
+                    $box.mousemove(areaMouseMove).mousedown(areaMouseDown);
+
+                $(window).resize(windowResize);
+            }
+
+            if (!options.persistent)
+                $img.add($outer).mousedown(imgMouseDown);
+        }
+
+        options.enable = options.disable = undefined;
+    }
+
+    /**
+     * Remove plugin completely
+     */
+    this.remove = function () {
+        /*
+         * Call setOptions with { disable: true } to unbind the event handlers
+         */
+        setOptions({ disable: true });
+        $box.add($outer).remove();
+    };
+
+    /*
+     * Public API
+     */
+
+    /**
+     * Get current options
+     *
+     * @return An object containing the set of options currently in use
+     */
+    this.getOptions = function () { return options; };
+
+    /**
+     * Set plugin options
+     *
+     * @param newOptions
+     *            The new options object
+     */
+    this.setOptions = setOptions;
+
+    /**
+     * Get the current selection
+     *
+     * @param noScale
+     *            If set to <code>true</code>, scaling is not applied to the
+     *            returned selection
+     * @return Selection object
+     */
+    this.getSelection = getSelection;
+
+    /**
+     * Set the current selection
+     *
+     * @param x1
+     *            X coordinate of the upper left corner of the selection area
+     * @param y1
+     *            Y coordinate of the upper left corner of the selection area
+     * @param x2
+     *            X coordinate of the lower right corner of the selection area
+     * @param y2
+     *            Y coordinate of the lower right corner of the selection area
+     * @param noScale
+     *            If set to <code>true</code>, scaling is not applied to the
+     *            new selection
+     */
+    this.setSelection = setSelection;
+
+    /**
+     * Cancel selection
+     */
+    this.cancelSelection = cancelSelection;
+
+    /**
+     * Update plugin elements
+     *
+     * @param resetKeyPress
+     *            If set to <code>false</code>, this instance's keypress
+     *            event handler is not activated
+     */
+    this.update = doUpdate;
+
+    /* Do the dreaded browser detection */
+    var msie = (/msie ([\w.]+)/i.exec(ua)||[])[1],
+        opera = /opera/i.test(ua),
+        safari = /webkit/i.test(ua) && !/chrome/i.test(ua);
+
+    /*
+     * Traverse the image's parent elements (up to <body>) and find the
+     * highest z-index
+     */
+    $p = $img;
+
+    while ($p.length) {
+        zIndex = max(zIndex,
+            !isNaN($p.css('z-index')) ? $p.css('z-index') : zIndex);
+        /* Also check if any of the ancestor elements has fixed position */
+        if ($p.css('position') == 'fixed')
+            position = 'fixed';
+
+        $p = $p.parent(':not(body)');
+    }
+
+    /*
+     * If z-index is given as an option, it overrides the one found by the
+     * above loop
+     */
+    zIndex = options.zIndex || zIndex;
+
+    if (msie)
+        $img.attr('unselectable', 'on');
+
+    /*
+     * In MSIE and WebKit, we need to use the keydown event instead of keypress
+     */
+    $.imgAreaSelect.keyPress = msie || safari ? 'keydown' : 'keypress';
+
+    /*
+     * There is a bug affecting the CSS cursor property in Opera (observed in
+     * versions up to 10.00) that prevents the cursor from being updated unless
+     * the mouse leaves and enters the element again. To trigger the mouseover
+     * event, we're adding an additional div to $box and we're going to toggle
+     * it when mouse moves inside the selection area.
+     */
+    if (opera)
+        $areaOpera = div().css({ width: '100%', height: '100%',
+            position: 'absolute', zIndex: zIndex + 2 || 2 });
+
+    /*
+     * We initially set visibility to "hidden" as a workaround for a weird
+     * behaviour observed in Google Chrome 1.0.154.53 (on Windows XP). Normally
+     * we would just set display to "none", but, for some reason, if we do so
+     * then Chrome refuses to later display the element with .show() or
+     * .fadeIn().
+     */
+    $box.add($outer).css({ visibility: 'hidden', position: position,
+        overflow: 'hidden', zIndex: zIndex || '0' });
+    $box.css({ zIndex: zIndex + 2 || 2 });
+    $area.add($border).css({ position: 'absolute', fontSize: 0 });
+
+    /*
+     * If the image has been fully loaded, or if it is not really an image (eg.
+     * a div), call imgLoad() immediately; otherwise, bind it to be called once
+     * on image load event.
+     */
+    img.complete || img.readyState == 'complete' || !$img.is('img') ?
+        imgLoad() : $img.one('load', imgLoad);
+
+    /*
+     * MSIE 9.0 doesn't always fire the image load event -- resetting the src
+     * attribute seems to trigger it. The check is for version 7 and above to
+     * accommodate for MSIE 9 running in compatibility mode.
+     */
+    if (!imgLoaded && msie && msie >= 7)
+        img.src = img.src;
+};
+
+/**
+ * Invoke imgAreaSelect on a jQuery object containing the image(s)
+ *
+ * @param options
+ *            Options object
+ * @return The jQuery object or a reference to imgAreaSelect instance (if the
+ *         <code>instance</code> option was specified)
+ */
+$.fn.imgAreaSelect = function (options) {
+    options = options || {};
+
+    this.each(function () {
+        /* Is there already an imgAreaSelect instance bound to this element? */
+        if ($(this).data('imgAreaSelect')) {
+            /* Yes there is -- is it supposed to be removed? */
+            if (options.remove) {
+                /* Remove the plugin */
+                $(this).data('imgAreaSelect').remove();
+                $(this).removeData('imgAreaSelect');
+            }
+            else
+                /* Reset options */
+                $(this).data('imgAreaSelect').setOptions(options);
+        }
+        else if (!options.remove) {
+            /* No exising instance -- create a new one */
+
+            /*
+             * If neither the "enable" nor the "disable" option is present, add
+             * "enable" as the default
+             */
+            if (options.enable === undefined && options.disable === undefined)
+                options.enable = true;
+
+            $(this).data('imgAreaSelect', new $.imgAreaSelect(this, options));
+        }
+    });
+
+    if (options.instance)
+        /*
+         * Return the imgAreaSelect instance bound to the first element in the
+         * set
+         */
+        return $(this).data('imgAreaSelect');
+
+    return this;
+};
+
+})(jQuery);