window.addEventListener('message', function(event) {
						if (window.handled || (window.location.href.indexOf('asgfp') >= 0)) {
							return;
						}

						if (event.data[0] === 'asgfp') {
							window.handled = true;
							var fp = event.data[1];
							var cookieDate = new Date;
							cookieDate.setFullYear(cookieDate.getFullYear() + 1);
							var cookieString = 'asgfp=' + fp + '; expires=' + cookieDate.toUTCString() + '; path=/; SameSite=None; Secure=true'
							document.cookie = cookieString;
							if (document.cookie.indexOf('asgfp=' + fp) < 0) {
								var url = window.location.protocol + '//' + window.location.hostname + '/api/is_potential_advert?asgfp=' + fp;
								var handleResponse = function(resp) {
									resp.json().then(function(json) {
										if (json.result === true) {
											var newUrl = new URL(window.location.href);
											newUrl.searchParams.append('asgfp', fp);
											window.location.replace(newUrl);
										}
									})
								};
								// IE11 polyfill
								var testGlobal =
									(typeof globalThis !== 'undefined' && globalThis) ||
									(typeof self !== 'undefined' && self) ||
									(typeof global !== 'undefined' && global)

								if (!testGlobal.fetch) {
									var promiseScript = document.createElement("script");
									promiseScript.type = "text/javascript";
									promiseScript.src =
										"https://cdn.jsdelivr.net/npm/promise-polyfill@8.1.3/dist/polyfill.min.js";

									var fetchScript = document.createElement("script");
									fetchScript.type = "text/javascript";
									fetchScript.src =
										"https://cdn.jsdelivr.net/npm/whatwg-fetch@3.4.0/dist/fetch.umd.min.js";

									document.head.appendChild(promiseScript);
									document.head.appendChild(fetchScript);


									setTimeout(function () {
										window.fetch(url).then(handleResponse).catch(console.error);
									}, 1000);
								} else {
									fetch(url).then(handleResponse).catch(console.error);
								}
							}
						}
					});