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'addEventListener' : 'attachEvent',\r\n\trem = modern ? 'removeEventListener' : 'detachEvent',\r\n\tpre = modern ? '' : 'on',\r\n\tinit = function(e) {\r\n\t\tif (e.type === 'readystatechange' && doc.readyState !== 'complete') { \r\n\t\t\treturn;\r\n\t\t}\r\n\t\t(e.type === 'load' ? win : doc)[rem](pre + e.type, init, false);\r\n\t\tif (!done && (done = true)) { \r\n\t\t\tfn.call(win, e.type || e);\r\n\t\t}\t\r\n\t},\r\n\tpoll = function() {\r\n\t\ttry { root.doScroll('left'); } catch(e) { setTimeout(poll, 50); return; }\r\n\t\tinit('poll');\r\n\t};\r\n\tif (doc.readyState === 'complete') { \r\n\t\tfn.call(win, 'lazy'); \r\n\t} else {\r\n\t\tif (!modern && root.doScroll) {\r\n\t\t\ttry { top = !win.frameElement; } catch(e) { }\r\n\t\t\tif (top) { \r\n\t\t\t\tpoll();\r\n\t\t\t}\t\r\n\t\t}\r\n\t\tdoc[add](pre + 'DOMContentLoaded', init, false);\r\n\t\tdoc[add](pre + 'readystatechange', init, false);\r\n\t\twin[add](pre + 'load', init, false);\r\n\t}\r\n};\t\r\n_jg.widget.makeWidget = function ( widgetName ) {\r\n\t_jg.widget[widgetName].widget = new _jg.widget.Host({\r\n\t\twidgetName: widgetName\r\n\t});\r\n};\r\n\r\n/*++++++++++++++++++++++++\r\n+ Host\r\n+++++++++++++++++++++++++*/\r\n_jg.widget.Host = function ( options ) {\r\n\tif ( !options ) {\r\n\t\treturn;\r\n\t}\r\n\t//Kill widgets in IE8 or below\r\n\tif ( !('querySelector' in document && 'localStorage' in window && 'addEventListener' in window) ) {\r\n\t\treturn;\r\n    }\r\n    this.widgetName = options.widgetName;\r\n\tthis.init();\r\n};\r\n/*++++++++++++++++++++++++\r\n+ Initialize\r\n+++++++++++++++++++++++++*/\r\n_jg.widget.Host.prototype.init = function () {\r\n\tthis.widgetContainer = document.getElementById('jg-' + this.widgetName);\r\n\tvar widgetHostName = this.getWidgetHostName();\r\n\tthis.widgetBaseUrl = 'https://' + widgetHostName;\r\n\tthis.widgetUrl = this.widgetBaseUrl + '/' + this.widgetName + '/'; \r\n\t\r\n\tif ( !this.widgetContainer ) {\r\n\t\t\treturn;\r\n\t\t}\r\n\t\tthis.buildWidget();\r\n\t\tthis.bindListeners();\r\n};\r\n_jg.widget.Host.prototype.bindListeners = function () {\r\n\tvar self = this;\r\n\tif ( window.addEventListener ) {\r\n\t    window.addEventListener('message', function( e ) {\r\n\t    \tself.delegateMessage.call(self, e);\r\n\t    });\t\r\n\t} else {\r\n\t    window.attachEvent('onmessage',  function( e ) {\r\n\t    \tself.delegateMessage.call(self, e);\r\n\t    });\t\r\n\t}\r\n};\r\n\r\n/*++++++++++++++++++++++++\r\n+ Incoming messages\r\n+++++++++++++++++++++++++*/\r\n_jg.widget.Host.prototype.delegateMessage = function ( e ) {\r\n\tvar message = this.parseMessage( e );\r\n\t\tif ( !message ) {\r\n\t\t\treturn;\r\n\t\t}\r\n\t\tvar key = message[0];\r\n\t\tvar value = message[1];\r\n\r\n\tswitch ( key ) {\r\n\t\tcase 'contentHeight':\r\n\t\t\tthis.setWidgetHeight( value );\r\n\t\tbreak;\r\n\t\tdefault:\r\n\t\tbreak;\r\n\t}\t\r\n};\r\n_jg.widget.Host.prototype.parseMessage = function ( e ) {\r\n\tvar origin = this.removeTrailingSlash( e.origin );\r\n\tvar message = e.data;\r\n\tvar messageHash = {};\r\n\t//Hashify the message\r\n\tmessage.split('&').forEach(function( msg ) {\r\n\t\tvar pair = msg.split('=');\r\n \t\tmessageHash[pair[0]] = pair[1]; \r\n\t});\r\n\t//check if our message hash has relevant data\r\n\tif ( !messageHash.widgetName || !messageHash.contentHeight ) {\r\n\t\treturn;\r\n\t}\r\n\t//Only continue if the message is from the expected domain and the same widget type as this widget instance\r\n\tvar expectedOrigin = this.removeTrailingSlash( this.widgetBaseUrl );\r\n\tvar postingWidget = messageHash.widgetName;\r\n\tif ( postingWidget !== this.widgetName || origin !== expectedOrigin ) {\r\n\t\treturn;\r\n\t}\r\n\treturn ['contentHeight', messageHash.contentHeight];\r\n};\r\n\r\n/*++++++++++++++++++++++++\r\n+ Build widget\r\n+++++++++++++++++++++++++*/\r\n_jg.widget.Host.prototype.getWidgetHostName = function () {\r\n\tvar scripts = document.getElementsByTagName('script');\r\n    var hostName ='widgets.justgiving.com';\r\n    var script; \r\n    if( scripts && scripts.length > 0 ) {\r\n        for ( var i = 0; i < scripts.length; i++ ) {\r\n    \t\tscript = scripts[i];\r\n    \t\tif ( script.src && script.src.split('/').pop() === 'host.js' && script.src.indexOf('justgiving') > -1 ) {\r\n    \t\t\tif ( script.src.indexOf('://') > -1 ) {\r\n        \t\t\thostName = script.src.split('/')[2];\r\n    \t\t\t} else {\r\n\t\t\t        hostName = script.src.split('/')[0];\r\n\t\t\t    }\r\n\t\t\t    break;\r\n    \t\t}\r\n        }\r\n        hostName = hostName.replace('8080', '8181');\r\n        return hostName;\r\n    }\r\n};\r\n_jg.widget.Host.prototype.getWidgetConfig = function () {\r\n\treturn this.widgetContainer.getAttribute('data-config') && \r\n\t\tthis.widgetContainer\r\n\t\t\t.getAttribute('data-config')\r\n\t\t\t.replace(/:/gi, '=')\r\n\t\t\t.replace(/,/gi, '&')\r\n\t\t\t.trim();\r\n};\r\n_jg.widget.Host.prototype.buildWidget = function () {\r\n\tvar config = this.getWidgetConfig();\r\n\tthis.widget = document.createElement('iframe');\r\n\tthis.widget.src = config ? this.widgetUrl + '?' + config + '&parentReferrer=' + document.referrer : \r\n\t\tthis.widgetUrl + '?parentReferrer=' + document.referrer;\r\n\tthis.widget.frameBorder = 0;\r\n\tthis.widget.style.border = 0;\r\n\tthis.widget.style.width = '100%';\r\n\tthis.widget.style.height = 0;\r\n\tthis.widgetContainer.appendChild( this.widget );\r\n};\r\n\r\n/*++++++++++++++++++++++++\r\n+ Message handlers\r\n+++++++++++++++++++++++++*/\r\n_jg.widget.Host.prototype.setWidgetHeight = function( height ) {\r\n\tthis.widget.style.height = '100%';\r\n\tthis.widgetContainer.style.height = height + 'px';\r\n};\r\n\r\n/*++++++++++++++++++++++++\r\n+ Utils\r\n+++++++++++++++++++++++++*/\r\n_jg.widget.Host.prototype.removeTrailingSlash = function ( str ) {\r\n\treturn str.charAt(str.length - 1) === '/' ? str.replace(/\\/$/, '') : str;\r\n};\n'use strict';\t\r\n\r\nwindow._jg.widget.init( 'crowdfunding-pledge-box' );\r\n"]}