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310 lines
9.0 KiB
JavaScript
310 lines
9.0 KiB
JavaScript
/*
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* Facebox (for jQuery)
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* version: 1.2 (05/05/2008)
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* @requires jQuery v1.2 or later
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*
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* Examples at http://famspam.com/facebox/
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*
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* Licensed under the MIT:
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* http://www.opensource.org/licenses/mit-license.php
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*
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* Copyright 2007, 2008 Chris Wanstrath [ chris@ozmm.org ]
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*
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* Usage:
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*
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* jQuery(document).ready(function() {
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* jQuery('a[rel*=facebox]').facebox()
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* })
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*
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* <a href="#terms" rel="facebox">Terms</a>
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* Loads the #terms div in the box
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*
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* <a href="terms.html" rel="facebox">Terms</a>
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* Loads the terms.html page in the box
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*
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* <a href="terms.png" rel="facebox">Terms</a>
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* Loads the terms.png image in the box
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*
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*
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* You can also use it programmatically:
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*
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* jQuery.facebox('some html')
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* jQuery.facebox('some html', 'my-groovy-style')
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*
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* The above will open a facebox with "some html" as the content.
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*
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* jQuery.facebox(function($) {
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* $.get('blah.html', function(data) { $.facebox(data) })
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* })
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*
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* The above will show a loading screen before the passed function is called,
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* allowing for a better ajaxy experience.
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*
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* The facebox function can also display an ajax page, an image, or the contents of a div:
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*
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* jQuery.facebox({ ajax: 'remote.html' })
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* jQuery.facebox({ ajax: 'remote.html' }, 'my-groovy-style')
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* jQuery.facebox({ image: 'stairs.jpg' })
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* jQuery.facebox({ image: 'stairs.jpg' }, 'my-groovy-style')
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* jQuery.facebox({ div: '#box' })
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* jQuery.facebox({ div: '#box' }, 'my-groovy-style')
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*
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* Want to close the facebox? Trigger the 'close.facebox' document event:
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*
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* jQuery(document).trigger('close.facebox')
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*
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* Facebox also has a bunch of other hooks:
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*
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* loading.facebox
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* beforeReveal.facebox
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* reveal.facebox (aliased as 'afterReveal.facebox')
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* init.facebox
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* afterClose.facebox
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*
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* Simply bind a function to any of these hooks:
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*
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* $(document).bind('reveal.facebox', function() { ...stuff to do after the facebox and contents are revealed... })
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*
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*/
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(function($) {
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$.facebox = function(data, klass) {
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$.facebox.loading()
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if (data.ajax) fillFaceboxFromAjax(data.ajax, klass)
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else if (data.image) fillFaceboxFromImage(data.image, klass)
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else if (data.div) fillFaceboxFromHref(data.div, klass)
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else if ($.isFunction(data)) data.call($)
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else $.facebox.reveal(data, klass)
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}
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/*
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* Public, $.facebox methods
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*/
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$.extend($.facebox, {
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settings: {
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opacity : 0.2,
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overlay : true,
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loadingImage : '../images/loading.gif',
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closeImage : '../images/closelabel.png',
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imageTypes : [ 'png', 'jpg', 'jpeg', 'gif' ],
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faceboxHtml : '\
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<div id="facebox" style="display:none;"> \
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<div class="popup"> \
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<div class="content"> \
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</div> \
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<a href="#" class="close"><img src="/facebox/closelabel.png" title="close" class="close_image" /></a> \
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</div> \
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</div>'
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},
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loading: function() {
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init()
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if ($('#facebox .loading').length == 1) return true
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showOverlay()
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$('#facebox .content').empty()
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$('#facebox .body').children().hide().end().
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append('<div class="loading"><img src="'+$.facebox.settings.loadingImage+'"/></div>')
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$('#facebox').css({
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top: getPageScroll()[1] + (getPageHeight() / 10),
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left: $(window).width() / 2 - 205
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}).show()
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$(document).bind('keydown.facebox', function(e) {
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if (e.keyCode == 27) $.facebox.close()
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return true
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})
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$(document).trigger('loading.facebox')
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},
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reveal: function(data, klass) {
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$(document).trigger('beforeReveal.facebox')
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if (klass) $('#facebox .content').addClass(klass)
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$('#facebox .content').append(data)
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$('#facebox .loading').remove()
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$('#facebox .body').children().fadeIn('normal')
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$('#facebox').css('left', $(window).width() / 2 - ($('#facebox .popup').width() / 2))
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$(document).trigger('reveal.facebox').trigger('afterReveal.facebox')
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},
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close: function() {
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$(document).trigger('close.facebox')
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return false
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}
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})
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/*
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* Public, $.fn methods
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*/
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$.fn.facebox = function(settings) {
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if ($(this).length == 0) return
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init(settings)
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function clickHandler() {
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$.facebox.loading(true)
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// support for rel="facebox.inline_popup" syntax, to add a class
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// also supports deprecated "facebox[.inline_popup]" syntax
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var klass = this.rel.match(/facebox\[?\.(\w+)\]?/)
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if (klass) klass = klass[1]
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fillFaceboxFromHref(this.href, klass)
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return false
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}
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return this.bind('click.facebox', clickHandler)
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}
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/*
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* Private methods
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*/
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// called one time to setup facebox on this page
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function init(settings) {
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if ($.facebox.settings.inited) return true
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else $.facebox.settings.inited = true
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$(document).trigger('init.facebox')
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makeCompatible()
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var imageTypes = $.facebox.settings.imageTypes.join('|')
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$.facebox.settings.imageTypesRegexp = new RegExp('\.(' + imageTypes + ')$', 'i')
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if (settings) $.extend($.facebox.settings, settings)
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$('body').append($.facebox.settings.faceboxHtml)
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var preload = [ new Image(), new Image() ]
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preload[0].src = $.facebox.settings.closeImage
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preload[1].src = $.facebox.settings.loadingImage
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$('#facebox').find('.b:first, .bl').each(function() {
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preload.push(new Image())
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preload.slice(-1).src = $(this).css('background-image').replace(/url\((.+)\)/, '$1')
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})
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$('#facebox .close').click($.facebox.close)
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$('#facebox .close_image').attr('src', $.facebox.settings.closeImage)
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}
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// getPageScroll() by quirksmode.com
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function getPageScroll() {
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var xScroll, yScroll;
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if (self.pageYOffset) {
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yScroll = self.pageYOffset;
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xScroll = self.pageXOffset;
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} else if (document.documentElement && document.documentElement.scrollTop) { // Explorer 6 Strict
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yScroll = document.documentElement.scrollTop;
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xScroll = document.documentElement.scrollLeft;
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} else if (document.body) {// all other Explorers
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yScroll = document.body.scrollTop;
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xScroll = document.body.scrollLeft;
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}
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return new Array(xScroll,yScroll)
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}
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// Adapted from getPageSize() by quirksmode.com
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function getPageHeight() {
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var windowHeight
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if (self.innerHeight) { // all except Explorer
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windowHeight = self.innerHeight;
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} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
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windowHeight = document.documentElement.clientHeight;
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} else if (document.body) { // other Explorers
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windowHeight = document.body.clientHeight;
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}
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return windowHeight
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}
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// Backwards compatibility
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function makeCompatible() {
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var $s = $.facebox.settings
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$s.loadingImage = $s.loading_image || $s.loadingImage
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$s.closeImage = $s.close_image || $s.closeImage
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$s.imageTypes = $s.image_types || $s.imageTypes
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$s.faceboxHtml = $s.facebox_html || $s.faceboxHtml
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}
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// Figures out what you want to display and displays it
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// formats are:
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// div: #id
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// image: blah.extension
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// ajax: anything else
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function fillFaceboxFromHref(href, klass) {
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// div
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if (href.match(/#/)) {
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var url = window.location.href.split('#')[0]
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var target = href.replace(url,'')
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if (target == '#') return
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$.facebox.reveal($(target).html(), klass)
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// image
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} else if (href.match($.facebox.settings.imageTypesRegexp)) {
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fillFaceboxFromImage(href, klass)
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// ajax
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} else {
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fillFaceboxFromAjax(href, klass)
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}
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}
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function fillFaceboxFromImage(href, klass) {
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var image = new Image()
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image.onload = function() {
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$.facebox.reveal('<div class="image"><img src="' + image.src + '" /></div>', klass)
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}
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image.src = href
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}
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function fillFaceboxFromAjax(href, klass) {
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$.get(href, function(data) { $.facebox.reveal(data, klass) })
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}
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function skipOverlay() {
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return $.facebox.settings.overlay == false || $.facebox.settings.opacity === null
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}
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function showOverlay() {
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if (skipOverlay()) return
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if ($('#facebox_overlay').length == 0)
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$("body").append('<div id="facebox_overlay" class="facebox_hide"></div>')
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$('#facebox_overlay').hide().addClass("facebox_overlayBG")
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.css('opacity', $.facebox.settings.opacity)
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.click(function() { $(document).trigger('close.facebox') })
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.fadeIn(200)
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return false
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}
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function hideOverlay() {
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if (skipOverlay()) return
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$('#facebox_overlay').fadeOut(200, function(){
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$("#facebox_overlay").removeClass("facebox_overlayBG")
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$("#facebox_overlay").addClass("facebox_hide")
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$("#facebox_overlay").remove()
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})
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return false
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}
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/*
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* Bindings
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*/
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$(document).bind('close.facebox', function() {
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$(document).unbind('keydown.facebox')
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$('#facebox').fadeOut(function() {
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$('#facebox .content').removeClass().addClass('content')
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$('#facebox .loading').remove()
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$(document).trigger('afterClose.facebox')
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})
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hideOverlay()
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})
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})(jQuery);
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