[SPIP] +2.1.12
[velocampus/web/www.git] / www / plugins / auto / jquery_ui / javascript / jquery-ui-1.8.16 / ui / jquery.ui.dialog.js
diff --git a/www/plugins/auto/jquery_ui/javascript/jquery-ui-1.8.16/ui/jquery.ui.dialog.js b/www/plugins/auto/jquery_ui/javascript/jquery-ui-1.8.16/ui/jquery.ui.dialog.js
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+/*
+ * jQuery UI Dialog 1.8.16
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Dialog
+ *
+ * Depends:
+ *     jquery.ui.core.js
+ *     jquery.ui.widget.js
+ *  jquery.ui.button.js
+ *     jquery.ui.draggable.js
+ *     jquery.ui.mouse.js
+ *     jquery.ui.position.js
+ *     jquery.ui.resizable.js
+ */
+(function( $, undefined ) {
+
+var uiDialogClasses =
+               'ui-dialog ' +
+               'ui-widget ' +
+               'ui-widget-content ' +
+               'ui-corner-all ',
+       sizeRelatedOptions = {
+               buttons: true,
+               height: true,
+               maxHeight: true,
+               maxWidth: true,
+               minHeight: true,
+               minWidth: true,
+               width: true
+       },
+       resizableRelatedOptions = {
+               maxHeight: true,
+               maxWidth: true,
+               minHeight: true,
+               minWidth: true
+       },
+       // support for jQuery 1.3.2 - handle common attrFn methods for dialog
+       attrFn = $.attrFn || {
+               val: true,
+               css: true,
+               html: true,
+               text: true,
+               data: true,
+               width: true,
+               height: true,
+               offset: true,
+               click: true
+       };
+
+$.widget("ui.dialog", {
+       options: {
+               autoOpen: true,
+               buttons: {},
+               closeOnEscape: true,
+               closeText: 'close',
+               dialogClass: '',
+               draggable: true,
+               hide: null,
+               height: 'auto',
+               maxHeight: false,
+               maxWidth: false,
+               minHeight: 150,
+               minWidth: 150,
+               modal: false,
+               position: {
+                       my: 'center',
+                       at: 'center',
+                       collision: 'fit',
+                       // ensure that the titlebar is never outside the document
+                       using: function(pos) {
+                               var topOffset = $(this).css(pos).offset().top;
+                               if (topOffset < 0) {
+                                       $(this).css('top', pos.top - topOffset);
+                               }
+                       }
+               },
+               resizable: true,
+               show: null,
+               stack: true,
+               title: '',
+               width: 300,
+               zIndex: 1000
+       },
+
+       _create: function() {
+               this.originalTitle = this.element.attr('title');
+               // #5742 - .attr() might return a DOMElement
+               if ( typeof this.originalTitle !== "string" ) {
+                       this.originalTitle = "";
+               }
+
+               this.options.title = this.options.title || this.originalTitle;
+               var self = this,
+                       options = self.options,
+
+                       title = options.title || '&#160;',
+                       titleId = $.ui.dialog.getTitleId(self.element),
+
+                       uiDialog = (self.uiDialog = $('<div></div>'))
+                               .appendTo(document.body)
+                               .hide()
+                               .addClass(uiDialogClasses + options.dialogClass)
+                               .css({
+                                       zIndex: options.zIndex
+                               })
+                               // setting tabIndex makes the div focusable
+                               // setting outline to 0 prevents a border on focus in Mozilla
+                               .attr('tabIndex', -1).css('outline', 0).keydown(function(event) {
+                                       if (options.closeOnEscape && !event.isDefaultPrevented() && event.keyCode &&
+                                               event.keyCode === $.ui.keyCode.ESCAPE) {
+                                               
+                                               self.close(event);
+                                               event.preventDefault();
+                                       }
+                               })
+                               .attr({
+                                       role: 'dialog',
+                                       'aria-labelledby': titleId
+                               })
+                               .mousedown(function(event) {
+                                       self.moveToTop(false, event);
+                               }),
+
+                       uiDialogContent = self.element
+                               .show()
+                               .removeAttr('title')
+                               .addClass(
+                                       'ui-dialog-content ' +
+                                       'ui-widget-content')
+                               .appendTo(uiDialog),
+
+                       uiDialogTitlebar = (self.uiDialogTitlebar = $('<div></div>'))
+                               .addClass(
+                                       'ui-dialog-titlebar ' +
+                                       'ui-widget-header ' +
+                                       'ui-corner-all ' +
+                                       'ui-helper-clearfix'
+                               )
+                               .prependTo(uiDialog),
+
+                       uiDialogTitlebarClose = $('<a href="#"></a>')
+                               .addClass(
+                                       'ui-dialog-titlebar-close ' +
+                                       'ui-corner-all'
+                               )
+                               .attr('role', 'button')
+                               .hover(
+                                       function() {
+                                               uiDialogTitlebarClose.addClass('ui-state-hover');
+                                       },
+                                       function() {
+                                               uiDialogTitlebarClose.removeClass('ui-state-hover');
+                                       }
+                               )
+                               .focus(function() {
+                                       uiDialogTitlebarClose.addClass('ui-state-focus');
+                               })
+                               .blur(function() {
+                                       uiDialogTitlebarClose.removeClass('ui-state-focus');
+                               })
+                               .click(function(event) {
+                                       self.close(event);
+                                       return false;
+                               })
+                               .appendTo(uiDialogTitlebar),
+
+                       uiDialogTitlebarCloseText = (self.uiDialogTitlebarCloseText = $('<span></span>'))
+                               .addClass(
+                                       'ui-icon ' +
+                                       'ui-icon-closethick'
+                               )
+                               .text(options.closeText)
+                               .appendTo(uiDialogTitlebarClose),
+
+                       uiDialogTitle = $('<span></span>')
+                               .addClass('ui-dialog-title')
+                               .attr('id', titleId)
+                               .html(title)
+                               .prependTo(uiDialogTitlebar);
+
+               //handling of deprecated beforeclose (vs beforeClose) option
+               //Ticket #4669 http://dev.jqueryui.com/ticket/4669
+               //TODO: remove in 1.9pre
+               if ($.isFunction(options.beforeclose) && !$.isFunction(options.beforeClose)) {
+                       options.beforeClose = options.beforeclose;
+               }
+
+               uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();
+
+               if (options.draggable && $.fn.draggable) {
+                       self._makeDraggable();
+               }
+               if (options.resizable && $.fn.resizable) {
+                       self._makeResizable();
+               }
+
+               self._createButtons(options.buttons);
+               self._isOpen = false;
+
+               if ($.fn.bgiframe) {
+                       uiDialog.bgiframe();
+               }
+       },
+
+       _init: function() {
+               if ( this.options.autoOpen ) {
+                       this.open();
+               }
+       },
+
+       destroy: function() {
+               var self = this;
+               
+               if (self.overlay) {
+                       self.overlay.destroy();
+               }
+               self.uiDialog.hide();
+               self.element
+                       .unbind('.dialog')
+                       .removeData('dialog')
+                       .removeClass('ui-dialog-content ui-widget-content')
+                       .hide().appendTo('body');
+               self.uiDialog.remove();
+
+               if (self.originalTitle) {
+                       self.element.attr('title', self.originalTitle);
+               }
+
+               return self;
+       },
+
+       widget: function() {
+               return this.uiDialog;
+       },
+
+       close: function(event) {
+               var self = this,
+                       maxZ, thisZ;
+               
+               if (false === self._trigger('beforeClose', event)) {
+                       return;
+               }
+
+               if (self.overlay) {
+                       self.overlay.destroy();
+               }
+               self.uiDialog.unbind('keypress.ui-dialog');
+
+               self._isOpen = false;
+
+               if (self.options.hide) {
+                       self.uiDialog.hide(self.options.hide, function() {
+                               self._trigger('close', event);
+                       });
+               } else {
+                       self.uiDialog.hide();
+                       self._trigger('close', event);
+               }
+
+               $.ui.dialog.overlay.resize();
+
+               // adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
+               if (self.options.modal) {
+                       maxZ = 0;
+                       $('.ui-dialog').each(function() {
+                               if (this !== self.uiDialog[0]) {
+                                       thisZ = $(this).css('z-index');
+                                       if(!isNaN(thisZ)) {
+                                               maxZ = Math.max(maxZ, thisZ);
+                                       }
+                               }
+                       });
+                       $.ui.dialog.maxZ = maxZ;
+               }
+
+               return self;
+       },
+
+       isOpen: function() {
+               return this._isOpen;
+       },
+
+       // the force parameter allows us to move modal dialogs to their correct
+       // position on open
+       moveToTop: function(force, event) {
+               var self = this,
+                       options = self.options,
+                       saveScroll;
+
+               if ((options.modal && !force) ||
+                       (!options.stack && !options.modal)) {
+                       return self._trigger('focus', event);
+               }
+
+               if (options.zIndex > $.ui.dialog.maxZ) {
+                       $.ui.dialog.maxZ = options.zIndex;
+               }
+               if (self.overlay) {
+                       $.ui.dialog.maxZ += 1;
+                       self.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = $.ui.dialog.maxZ);
+               }
+
+               //Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
+               //  http://ui.jquery.com/bugs/ticket/3193
+               saveScroll = { scrollTop: self.element.scrollTop(), scrollLeft: self.element.scrollLeft() };
+               $.ui.dialog.maxZ += 1;
+               self.uiDialog.css('z-index', $.ui.dialog.maxZ);
+               self.element.attr(saveScroll);
+               self._trigger('focus', event);
+
+               return self;
+       },
+
+       open: function() {
+               if (this._isOpen) { return; }
+
+               var self = this,
+                       options = self.options,
+                       uiDialog = self.uiDialog;
+
+               self.overlay = options.modal ? new $.ui.dialog.overlay(self) : null;
+               self._size();
+               self._position(options.position);
+               uiDialog.show(options.show);
+               self.moveToTop(true);
+
+               // prevent tabbing out of modal dialogs
+               if (options.modal) {
+                       uiDialog.bind('keypress.ui-dialog', function(event) {
+                               if (event.keyCode !== $.ui.keyCode.TAB) {
+                                       return;
+                               }
+
+                               var tabbables = $(':tabbable', this),
+                                       first = tabbables.filter(':first'),
+                                       last  = tabbables.filter(':last');
+
+                               if (event.target === last[0] && !event.shiftKey) {
+                                       first.focus(1);
+                                       return false;
+                               } else if (event.target === first[0] && event.shiftKey) {
+                                       last.focus(1);
+                                       return false;
+                               }
+                       });
+               }
+
+               // set focus to the first tabbable element in the content area or the first button
+               // if there are no tabbable elements, set focus on the dialog itself
+               $(self.element.find(':tabbable').get().concat(
+                       uiDialog.find('.ui-dialog-buttonpane :tabbable').get().concat(
+                               uiDialog.get()))).eq(0).focus();
+
+               self._isOpen = true;
+               self._trigger('open');
+
+               return self;
+       },
+
+       _createButtons: function(buttons) {
+               var self = this,
+                       hasButtons = false,
+                       uiDialogButtonPane = $('<div></div>')
+                               .addClass(
+                                       'ui-dialog-buttonpane ' +
+                                       'ui-widget-content ' +
+                                       'ui-helper-clearfix'
+                               ),
+                       uiButtonSet = $( "<div></div>" )
+                               .addClass( "ui-dialog-buttonset" )
+                               .appendTo( uiDialogButtonPane );
+
+               // if we already have a button pane, remove it
+               self.uiDialog.find('.ui-dialog-buttonpane').remove();
+
+               if (typeof buttons === 'object' && buttons !== null) {
+                       $.each(buttons, function() {
+                               return !(hasButtons = true);
+                       });
+               }
+               if (hasButtons) {
+                       $.each(buttons, function(name, props) {
+                               props = $.isFunction( props ) ?
+                                       { click: props, text: name } :
+                                       props;
+                               var button = $('<button type="button"></button>')
+                                       .click(function() {
+                                               props.click.apply(self.element[0], arguments);
+                                       })
+                                       .appendTo(uiButtonSet);
+                               // can't use .attr( props, true ) with jQuery 1.3.2.
+                               $.each( props, function( key, value ) {
+                                       if ( key === "click" ) {
+                                               return;
+                                       }
+                                       if ( key in attrFn ) {
+                                               button[ key ]( value );
+                                       } else {
+                                               button.attr( key, value );
+                                       }
+                               });
+                               if ($.fn.button) {
+                                       button.button();
+                               }
+                       });
+                       uiDialogButtonPane.appendTo(self.uiDialog);
+               }
+       },
+
+       _makeDraggable: function() {
+               var self = this,
+                       options = self.options,
+                       doc = $(document),
+                       heightBeforeDrag;
+
+               function filteredUi(ui) {
+                       return {
+                               position: ui.position,
+                               offset: ui.offset
+                       };
+               }
+
+               self.uiDialog.draggable({
+                       cancel: '.ui-dialog-content, .ui-dialog-titlebar-close',
+                       handle: '.ui-dialog-titlebar',
+                       containment: 'document',
+                       start: function(event, ui) {
+                               heightBeforeDrag = options.height === "auto" ? "auto" : $(this).height();
+                               $(this).height($(this).height()).addClass("ui-dialog-dragging");
+                               self._trigger('dragStart', event, filteredUi(ui));
+                       },
+                       drag: function(event, ui) {
+                               self._trigger('drag', event, filteredUi(ui));
+                       },
+                       stop: function(event, ui) {
+                               options.position = [ui.position.left - doc.scrollLeft(),
+                                       ui.position.top - doc.scrollTop()];
+                               $(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
+                               self._trigger('dragStop', event, filteredUi(ui));
+                               $.ui.dialog.overlay.resize();
+                       }
+               });
+       },
+
+       _makeResizable: function(handles) {
+               handles = (handles === undefined ? this.options.resizable : handles);
+               var self = this,
+                       options = self.options,
+                       // .ui-resizable has position: relative defined in the stylesheet
+                       // but dialogs have to use absolute or fixed positioning
+                       position = self.uiDialog.css('position'),
+                       resizeHandles = (typeof handles === 'string' ?
+                               handles :
+                               'n,e,s,w,se,sw,ne,nw'
+                       );
+
+               function filteredUi(ui) {
+                       return {
+                               originalPosition: ui.originalPosition,
+                               originalSize: ui.originalSize,
+                               position: ui.position,
+                               size: ui.size
+                       };
+               }
+
+               self.uiDialog.resizable({
+                       cancel: '.ui-dialog-content',
+                       containment: 'document',
+                       alsoResize: self.element,
+                       maxWidth: options.maxWidth,
+                       maxHeight: options.maxHeight,
+                       minWidth: options.minWidth,
+                       minHeight: self._minHeight(),
+                       handles: resizeHandles,
+                       start: function(event, ui) {
+                               $(this).addClass("ui-dialog-resizing");
+                               self._trigger('resizeStart', event, filteredUi(ui));
+                       },
+                       resize: function(event, ui) {
+                               self._trigger('resize', event, filteredUi(ui));
+                       },
+                       stop: function(event, ui) {
+                               $(this).removeClass("ui-dialog-resizing");
+                               options.height = $(this).height();
+                               options.width = $(this).width();
+                               self._trigger('resizeStop', event, filteredUi(ui));
+                               $.ui.dialog.overlay.resize();
+                       }
+               })
+               .css('position', position)
+               .find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
+       },
+
+       _minHeight: function() {
+               var options = this.options;
+
+               if (options.height === 'auto') {
+                       return options.minHeight;
+               } else {
+                       return Math.min(options.minHeight, options.height);
+               }
+       },
+
+       _position: function(position) {
+               var myAt = [],
+                       offset = [0, 0],
+                       isVisible;
+
+               if (position) {
+                       // deep extending converts arrays to objects in jQuery <= 1.3.2 :-(
+       //              if (typeof position == 'string' || $.isArray(position)) {
+       //                      myAt = $.isArray(position) ? position : position.split(' ');
+
+                       if (typeof position === 'string' || (typeof position === 'object' && '0' in position)) {
+                               myAt = position.split ? position.split(' ') : [position[0], position[1]];
+                               if (myAt.length === 1) {
+                                       myAt[1] = myAt[0];
+                               }
+
+                               $.each(['left', 'top'], function(i, offsetPosition) {
+                                       if (+myAt[i] === myAt[i]) {
+                                               offset[i] = myAt[i];
+                                               myAt[i] = offsetPosition;
+                                       }
+                               });
+
+                               position = {
+                                       my: myAt.join(" "),
+                                       at: myAt.join(" "),
+                                       offset: offset.join(" ")
+                               };
+                       } 
+
+                       position = $.extend({}, $.ui.dialog.prototype.options.position, position);
+               } else {
+                       position = $.ui.dialog.prototype.options.position;
+               }
+
+               // need to show the dialog to get the actual offset in the position plugin
+               isVisible = this.uiDialog.is(':visible');
+               if (!isVisible) {
+                       this.uiDialog.show();
+               }
+               this.uiDialog
+                       // workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
+                       .css({ top: 0, left: 0 })
+                       .position($.extend({ of: window }, position));
+               if (!isVisible) {
+                       this.uiDialog.hide();
+               }
+       },
+
+       _setOptions: function( options ) {
+               var self = this,
+                       resizableOptions = {},
+                       resize = false;
+
+               $.each( options, function( key, value ) {
+                       self._setOption( key, value );
+                       
+                       if ( key in sizeRelatedOptions ) {
+                               resize = true;
+                       }
+                       if ( key in resizableRelatedOptions ) {
+                               resizableOptions[ key ] = value;
+                       }
+               });
+
+               if ( resize ) {
+                       this._size();
+               }
+               if ( this.uiDialog.is( ":data(resizable)" ) ) {
+                       this.uiDialog.resizable( "option", resizableOptions );
+               }
+       },
+
+       _setOption: function(key, value){
+               var self = this,
+                       uiDialog = self.uiDialog;
+
+               switch (key) {
+                       //handling of deprecated beforeclose (vs beforeClose) option
+                       //Ticket #4669 http://dev.jqueryui.com/ticket/4669
+                       //TODO: remove in 1.9pre
+                       case "beforeclose":
+                               key = "beforeClose";
+                               break;
+                       case "buttons":
+                               self._createButtons(value);
+                               break;
+                       case "closeText":
+                               // ensure that we always pass a string
+                               self.uiDialogTitlebarCloseText.text("" + value);
+                               break;
+                       case "dialogClass":
+                               uiDialog
+                                       .removeClass(self.options.dialogClass)
+                                       .addClass(uiDialogClasses + value);
+                               break;
+                       case "disabled":
+                               if (value) {
+                                       uiDialog.addClass('ui-dialog-disabled');
+                               } else {
+                                       uiDialog.removeClass('ui-dialog-disabled');
+                               }
+                               break;
+                       case "draggable":
+                               var isDraggable = uiDialog.is( ":data(draggable)" );
+                               if ( isDraggable && !value ) {
+                                       uiDialog.draggable( "destroy" );
+                               }
+                               
+                               if ( !isDraggable && value ) {
+                                       self._makeDraggable();
+                               }
+                               break;
+                       case "position":
+                               self._position(value);
+                               break;
+                       case "resizable":
+                               // currently resizable, becoming non-resizable
+                               var isResizable = uiDialog.is( ":data(resizable)" );
+                               if (isResizable && !value) {
+                                       uiDialog.resizable('destroy');
+                               }
+
+                               // currently resizable, changing handles
+                               if (isResizable && typeof value === 'string') {
+                                       uiDialog.resizable('option', 'handles', value);
+                               }
+
+                               // currently non-resizable, becoming resizable
+                               if (!isResizable && value !== false) {
+                                       self._makeResizable(value);
+                               }
+                               break;
+                       case "title":
+                               // convert whatever was passed in o a string, for html() to not throw up
+                               $(".ui-dialog-title", self.uiDialogTitlebar).html("" + (value || '&#160;'));
+                               break;
+               }
+
+               $.Widget.prototype._setOption.apply(self, arguments);
+       },
+
+       _size: function() {
+               /* If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
+                * divs will both have width and height set, so we need to reset them
+                */
+               var options = this.options,
+                       nonContentHeight,
+                       minContentHeight,
+                       isVisible = this.uiDialog.is( ":visible" );
+
+               // reset content sizing
+               this.element.show().css({
+                       width: 'auto',
+                       minHeight: 0,
+                       height: 0
+               });
+
+               if (options.minWidth > options.width) {
+                       options.width = options.minWidth;
+               }
+
+               // reset wrapper sizing
+               // determine the height of all the non-content elements
+               nonContentHeight = this.uiDialog.css({
+                               height: 'auto',
+                               width: options.width
+                       })
+                       .height();
+               minContentHeight = Math.max( 0, options.minHeight - nonContentHeight );
+               
+               if ( options.height === "auto" ) {
+                       // only needed for IE6 support
+                       if ( $.support.minHeight ) {
+                               this.element.css({
+                                       minHeight: minContentHeight,
+                                       height: "auto"
+                               });
+                       } else {
+                               this.uiDialog.show();
+                               var autoHeight = this.element.css( "height", "auto" ).height();
+                               if ( !isVisible ) {
+                                       this.uiDialog.hide();
+                               }
+                               this.element.height( Math.max( autoHeight, minContentHeight ) );
+                       }
+               } else {
+                       this.element.height( Math.max( options.height - nonContentHeight, 0 ) );
+               }
+
+               if (this.uiDialog.is(':data(resizable)')) {
+                       this.uiDialog.resizable('option', 'minHeight', this._minHeight());
+               }
+       }
+});
+
+$.extend($.ui.dialog, {
+       version: "1.8.16",
+
+       uuid: 0,
+       maxZ: 0,
+
+       getTitleId: function($el) {
+               var id = $el.attr('id');
+               if (!id) {
+                       this.uuid += 1;
+                       id = this.uuid;
+               }
+               return 'ui-dialog-title-' + id;
+       },
+
+       overlay: function(dialog) {
+               this.$el = $.ui.dialog.overlay.create(dialog);
+       }
+});
+
+$.extend($.ui.dialog.overlay, {
+       instances: [],
+       // reuse old instances due to IE memory leak with alpha transparency (see #5185)
+       oldInstances: [],
+       maxZ: 0,
+       events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
+               function(event) { return event + '.dialog-overlay'; }).join(' '),
+       create: function(dialog) {
+               if (this.instances.length === 0) {
+                       // prevent use of anchors and inputs
+                       // we use a setTimeout in case the overlay is created from an
+                       // event that we're going to be cancelling (see #2804)
+                       setTimeout(function() {
+                               // handle $(el).dialog().dialog('close') (see #4065)
+                               if ($.ui.dialog.overlay.instances.length) {
+                                       $(document).bind($.ui.dialog.overlay.events, function(event) {
+                                               // stop events if the z-index of the target is < the z-index of the overlay
+                                               // we cannot return true when we don't want to cancel the event (#3523)
+                                               if ($(event.target).zIndex() < $.ui.dialog.overlay.maxZ) {
+                                                       return false;
+                                               }
+                                       });
+                               }
+                       }, 1);
+
+                       // allow closing by pressing the escape key
+                       $(document).bind('keydown.dialog-overlay', function(event) {
+                               if (dialog.options.closeOnEscape && !event.isDefaultPrevented() && event.keyCode &&
+                                       event.keyCode === $.ui.keyCode.ESCAPE) {
+                                       
+                                       dialog.close(event);
+                                       event.preventDefault();
+                               }
+                       });
+
+                       // handle window resize
+                       $(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
+               }
+
+               var $el = (this.oldInstances.pop() || $('<div></div>').addClass('ui-widget-overlay'))
+                       .appendTo(document.body)
+                       .css({
+                               width: this.width(),
+                               height: this.height()
+                       });
+
+               if ($.fn.bgiframe) {
+                       $el.bgiframe();
+               }
+
+               this.instances.push($el);
+               return $el;
+       },
+
+       destroy: function($el) {
+               var indexOf = $.inArray($el, this.instances);
+               if (indexOf != -1){
+                       this.oldInstances.push(this.instances.splice(indexOf, 1)[0]);
+               }
+
+               if (this.instances.length === 0) {
+                       $([document, window]).unbind('.dialog-overlay');
+               }
+
+               $el.remove();
+               
+               // adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
+               var maxZ = 0;
+               $.each(this.instances, function() {
+                       maxZ = Math.max(maxZ, this.css('z-index'));
+               });
+               this.maxZ = maxZ;
+       },
+
+       height: function() {
+               var scrollHeight,
+                       offsetHeight;
+               // handle IE 6
+               if ($.browser.msie && $.browser.version < 7) {
+                       scrollHeight = Math.max(
+                               document.documentElement.scrollHeight,
+                               document.body.scrollHeight
+                       );
+                       offsetHeight = Math.max(
+                               document.documentElement.offsetHeight,
+                               document.body.offsetHeight
+                       );
+
+                       if (scrollHeight < offsetHeight) {
+                               return $(window).height() + 'px';
+                       } else {
+                               return scrollHeight + 'px';
+                       }
+               // handle "good" browsers
+               } else {
+                       return $(document).height() + 'px';
+               }
+       },
+
+       width: function() {
+               var scrollWidth,
+                       offsetWidth;
+               // handle IE
+               if ( $.browser.msie ) {
+                       scrollWidth = Math.max(
+                               document.documentElement.scrollWidth,
+                               document.body.scrollWidth
+                       );
+                       offsetWidth = Math.max(
+                               document.documentElement.offsetWidth,
+                               document.body.offsetWidth
+                       );
+
+                       if (scrollWidth < offsetWidth) {
+                               return $(window).width() + 'px';
+                       } else {
+                               return scrollWidth + 'px';
+                       }
+               // handle "good" browsers
+               } else {
+                       return $(document).width() + 'px';
+               }
+       },
+
+       resize: function() {
+               /* If the dialog is draggable and the user drags it past the
+                * right edge of the window, the document becomes wider so we
+                * need to stretch the overlay. If the user then drags the
+                * dialog back to the left, the document will become narrower,
+                * so we need to shrink the overlay to the appropriate size.
+                * This is handled by shrinking the overlay before setting it
+                * to the full document size.
+                */
+               var $overlays = $([]);
+               $.each($.ui.dialog.overlay.instances, function() {
+                       $overlays = $overlays.add(this);
+               });
+
+               $overlays.css({
+                       width: 0,
+                       height: 0
+               }).css({
+                       width: $.ui.dialog.overlay.width(),
+                       height: $.ui.dialog.overlay.height()
+               });
+       }
+});
+
+$.extend($.ui.dialog.overlay.prototype, {
+       destroy: function() {
+               $.ui.dialog.overlay.destroy(this.$el);
+       }
+});
+
+}(jQuery));