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63
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1 /*
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2 * Facebox (for jQuery)
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3 * version: 1.2 (05/05/2008)
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4 * @requires jQuery v1.2 or later
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5 *
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6 * Examples at http://famspam.com/facebox/
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7 *
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8 * Licensed under the MIT:
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9 * http://www.opensource.org/licenses/mit-license.php
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10 *
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11 * Copyright 2007, 2008 Chris Wanstrath [ chris@ozmm.org ]
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12 *
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13 * Usage:
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14 *
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15 * jQuery(document).ready(function() {
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16 * jQuery('a[rel*=facebox]').facebox()
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17 * })
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18 *
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19 * <a href="#terms" rel="facebox">Terms</a>
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20 * Loads the #terms div in the box
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21 *
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22 * <a href="terms.html" rel="facebox">Terms</a>
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23 * Loads the terms.html page in the box
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24 *
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25 * <a href="terms.png" rel="facebox">Terms</a>
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26 * Loads the terms.png image in the box
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27 *
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28 *
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29 * You can also use it programmatically:
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30 *
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31 * jQuery.facebox('some html')
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32 *
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33 * The above will open a facebox with "some html" as the content.
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34 *
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35 * jQuery.facebox(function($) {
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36 * $.get('blah.html', function(data) { $.facebox(data) })
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37 * })
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38 *
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39 * The above will show a loading screen before the passed function is called,
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40 * allowing for a better ajaxy experience.
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41 *
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42 * The facebox function can also display an ajax page or image:
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43 *
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44 * jQuery.facebox({ ajax: 'remote.html' })
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45 * jQuery.facebox({ image: 'dude.jpg' })
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46 *
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47 * Want to close the facebox? Trigger the 'close.facebox' document event:
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48 *
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49 * jQuery(document).trigger('close.facebox')
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50 *
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51 * Facebox also has a bunch of other hooks:
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52 *
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53 * loading.facebox
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54 * beforeReveal.facebox
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55 * reveal.facebox (aliased as 'afterReveal.facebox')
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56 * init.facebox
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57 *
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58 * Simply bind a function to any of these hooks:
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59 *
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60 * $(document).bind('reveal.facebox', function() { ...stuff to do after the facebox and contents are revealed... })
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61 *
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62 */
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63 (function($) {
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64 $.facebox = function(data, klass) {
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65 $.facebox.loading()
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66
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67 if (data.ajax) fillFaceboxFromAjax(data.ajax)
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68 else if (data.image) fillFaceboxFromImage(data.image)
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69 else if (data.div) fillFaceboxFromHref(data.div)
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70 else if ($.isFunction(data)) data.call($)
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71 else $.facebox.reveal(data, klass)
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72 }
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73
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74 /*
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75 * Public, $.facebox methods
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76 */
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77
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78 $.extend($.facebox, {
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79 settings: {
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80 opacity : 0,
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81 overlay : true,
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82 loadingImage : '/facebox/loading.gif',
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83 closeImage : '/facebox/closelabel.gif',
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84 imageTypes : [ 'png', 'jpg', 'jpeg', 'gif' ],
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85 faceboxHtml : '\
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86 <div id="facebox" style="display:none;"> \
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87 <div class="popup"> \
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88 <table> \
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89 <tbody> \
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90 <tr> \
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91 <td class="tl"/><td class="b"/><td class="tr"/> \
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92 </tr> \
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93 <tr> \
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94 <td class="b"/> \
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95 <td class="body"> \
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96 <div class="content"> \
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97 </div> \
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98 <div class="footer"> \
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99 <a href="#" class="close"> \
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100 <img src="/facebox/closelabel.gif" title="close" class="close_image" /> \
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101 </a> \
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102 </div> \
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103 </td> \
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104 <td class="b"/> \
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105 </tr> \
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106 <tr> \
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107 <td class="bl"/><td class="b"/><td class="br"/> \
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108 </tr> \
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109 </tbody> \
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110 </table> \
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111 </div> \
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112 </div>'
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113 },
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114
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115 loading: function() {
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116 init()
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117 if ($('#facebox .loading').length == 1) return true
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118 showOverlay()
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119
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120 $('#facebox .content').empty()
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121 $('#facebox .body').children().hide().end().
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122 append('<div class="loading"><img src="'+$.facebox.settings.loadingImage+'"/></div>')
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123
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124 $('#facebox').css({
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125 top: getPageScroll()[1] + (getPageHeight() / 10),
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126 left: 385.5
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127 }).show()
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128
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129 $(document).bind('keydown.facebox', function(e) {
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130 if (e.keyCode == 27) $.facebox.close()
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131 return true
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132 })
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133 $(document).trigger('loading.facebox')
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134 },
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135
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136 reveal: function(data, klass) {
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137 $(document).trigger('beforeReveal.facebox')
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138 if (klass) $('#facebox .content').addClass(klass)
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139 $('#facebox .content').append(data)
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140 $('#facebox .loading').remove()
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141 $('#facebox .body').children().fadeIn('normal')
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142 $('#facebox').css('left', $(window).width() / 2 - ($('#facebox table').width() / 2))
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143 $(document).trigger('reveal.facebox').trigger('afterReveal.facebox')
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144 },
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145
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146 close: function() {
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147 $(document).trigger('close.facebox')
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148 return false
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149 }
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150 })
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151
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152 /*
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153 * Public, $.fn methods
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154 */
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155
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156 $.fn.facebox = function(settings) {
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157 init(settings)
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158
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159 function clickHandler() {
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160 $.facebox.loading(true)
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161
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162 // support for rel="facebox.inline_popup" syntax, to add a class
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163 // also supports deprecated "facebox[.inline_popup]" syntax
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164 var klass = this.rel.match(/facebox\[?\.(\w+)\]?/)
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165 if (klass) klass = klass[1]
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166
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167 fillFaceboxFromHref(this.href, klass)
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168 return false
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169 }
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170
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171 return this.click(clickHandler)
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172 }
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173
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174 /*
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175 * Private methods
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176 */
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177
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178 // called one time to setup facebox on this page
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179 function init(settings) {
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180 if ($.facebox.settings.inited) return true
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181 else $.facebox.settings.inited = true
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182
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183 $(document).trigger('init.facebox')
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184 makeCompatible()
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185
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186 var imageTypes = $.facebox.settings.imageTypes.join('|')
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187 $.facebox.settings.imageTypesRegexp = new RegExp('\.' + imageTypes + '$', 'i')
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188
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189 if (settings) $.extend($.facebox.settings, settings)
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190 $('body').append($.facebox.settings.faceboxHtml)
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191
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192 var preload = [ new Image(), new Image() ]
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193 preload[0].src = $.facebox.settings.closeImage
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194 preload[1].src = $.facebox.settings.loadingImage
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195
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196 $('#facebox').find('.b:first, .bl, .br, .tl, .tr').each(function() {
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197 preload.push(new Image())
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198 preload.slice(-1).src = $(this).css('background-image').replace(/url\((.+)\)/, '$1')
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199 })
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200
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201 $('#facebox .close').click($.facebox.close)
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202 $('#facebox .close_image').attr('src', $.facebox.settings.closeImage)
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203 }
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204
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205 // getPageScroll() by quirksmode.com
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206 function getPageScroll() {
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207 var xScroll, yScroll;
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208 if (self.pageYOffset) {
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209 yScroll = self.pageYOffset;
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210 xScroll = self.pageXOffset;
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211 } else if (document.documentElement && document.documentElement.scrollTop) { // Explorer 6 Strict
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212 yScroll = document.documentElement.scrollTop;
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213 xScroll = document.documentElement.scrollLeft;
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214 } else if (document.body) {// all other Explorers
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215 yScroll = document.body.scrollTop;
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216 xScroll = document.body.scrollLeft;
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217 }
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218 return new Array(xScroll,yScroll)
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219 }
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220
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221 // Adapted from getPageSize() by quirksmode.com
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222 function getPageHeight() {
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223 var windowHeight
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224 if (self.innerHeight) { // all except Explorer
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225 windowHeight = self.innerHeight;
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226 } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
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227 windowHeight = document.documentElement.clientHeight;
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228 } else if (document.body) { // other Explorers
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229 windowHeight = document.body.clientHeight;
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230 }
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231 return windowHeight
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232 }
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233
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234 // Backwards compatibility
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235 function makeCompatible() {
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236 var $s = $.facebox.settings
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237
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238 $s.loadingImage = $s.loading_image || $s.loadingImage
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239 $s.closeImage = $s.close_image || $s.closeImage
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240 $s.imageTypes = $s.image_types || $s.imageTypes
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241 $s.faceboxHtml = $s.facebox_html || $s.faceboxHtml
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242 }
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243
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244 // Figures out what you want to display and displays it
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245 // formats are:
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246 // div: #id
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247 // image: blah.extension
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248 // ajax: anything else
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249 function fillFaceboxFromHref(href, klass) {
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250 // div
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251 if (href.match(/#/)) {
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252 var url = window.location.href.split('#')[0]
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253 var target = href.replace(url,'')
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254 $.facebox.reveal($(target).clone().show(), klass)
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255
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256 // image
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257 } else if (href.match($.facebox.settings.imageTypesRegexp)) {
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258 fillFaceboxFromImage(href, klass)
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259 // ajax
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260 } else {
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261 fillFaceboxFromAjax(href, klass)
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262 }
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263 }
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264
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265 function fillFaceboxFromImage(href, klass) {
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266 var image = new Image()
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267 image.onload = function() {
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268 $.facebox.reveal('<div class="image"><img src="' + image.src + '" /></div>', klass)
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269 }
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270 image.src = href
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271 }
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272
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273 function fillFaceboxFromAjax(href, klass) {
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274 $.get(href, function(data) { $.facebox.reveal(data, klass) })
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275 }
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276
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277 function skipOverlay() {
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278 return $.facebox.settings.overlay == false || $.facebox.settings.opacity === null
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279 }
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280
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281 function showOverlay() {
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282 if (skipOverlay()) return
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283
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284 if ($('facebox_overlay').length == 0)
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285 $("body").append('<div id="facebox_overlay" class="facebox_hide"></div>')
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286
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287 $('#facebox_overlay').hide().addClass("facebox_overlayBG")
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288 .css('opacity', $.facebox.settings.opacity)
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289 .click(function() { $(document).trigger('close.facebox') })
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290 .fadeIn(200)
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291 return false
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292 }
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293
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294 function hideOverlay() {
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295 if (skipOverlay()) return
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296
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297 $('#facebox_overlay').fadeOut(200, function(){
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298 $("#facebox_overlay").removeClass("facebox_overlayBG")
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299 $("#facebox_overlay").addClass("facebox_hide")
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300 $("#facebox_overlay").remove()
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301 })
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302
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303 return false
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304 }
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305
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306 /*
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307 * Bindings
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308 */
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309
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310 $(document).bind('close.facebox', function() {
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311 $(document).unbind('keydown.facebox')
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312 $('#facebox').fadeOut(function() {
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313 $('#facebox .content').removeClass().addClass('content')
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314 hideOverlay()
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315 $('#facebox .loading').remove()
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316 })
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317 })
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318
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319 })(jQuery);
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