if (typeof window !== 'undefined') { function ZFAdvLead() { } ZFAdvLead.utmPValObj = ZFAdvLead.utmPValObj || {}; ZFAdvLead.utmPNameArr = new Array('utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content'); ZFAdvLead.utmcustPNameArr = new Array(); ZFAdvLead.isSameDomian = false; ZFAdvLead.prototype.zfautm_sC = function (paramName, path, domain, secure) { var value = ZFAdvLead.utmPValObj[paramName]; if (typeof value !== "undefined" && value !== null) { var cookieStr = paramName + "=" + encodeURIComponent(value); var exdate = new Date(); exdate.setDate(exdate.getDate() + 7); cookieStr += "; expires=" + exdate.toGMTString(); cookieStr += "; path=/"; if (domain) { cookieStr += "; domain=" + encodeURIComponent(domain); } if (secure) { cookieStr += "; secure"; } document.cookie = cookieStr; } }; ZFAdvLead.prototype.zfautm_ini = function () { this.zfautm_bscPCap(); var url_search = document.location.search; for (var i = 0; i < ZFAdvLead.utmcustPNameArr.length; i++) { var zf_pN = ZFAdvLead.utmcustPNameArr[i]; var zf_pV; if (zf_pN == 'referrername') { zf_pV = (document.URL || '').slice(0, 1500); } else { zf_pV = this.zfautm_gP(url_search, zf_pN); if (zf_pV == undefined || zf_pV == '') { zf_pV = this.zfautm_gC(zf_pN); } } if (typeof zf_pV !== "undefined" && zf_pV !== null & zf_pV != "") { ZFAdvLead.utmPValObj[zf_pN] = zf_pV; } } for (var pkey in ZFAdvLead.utmPValObj) { this.zfautm_sC(pkey); } }; ZFAdvLead.prototype.zfautm_bscPCap = function () { var trafSrc = this.zfautm_calcTrafSrc(); if (trafSrc.source != "") { ZFAdvLead.utmPValObj.utm_source = trafSrc.source; } if (trafSrc.medium != "") { ZFAdvLead.utmPValObj.utm_medium = trafSrc.medium; } if (trafSrc.campaign != "") { ZFAdvLead.utmPValObj.utm_campaign = trafSrc.campaign; } if (trafSrc.term != "") { ZFAdvLead.utmPValObj.utm_term = trafSrc.term; } if (trafSrc.content != "") { ZFAdvLead.utmPValObj.utm_content = trafSrc.content; } } ZFAdvLead.prototype.zfautm_calcTrafSrc = function () { var u1 = '', u2 = '', u3 = '', u4 = '', u5 = ''; var search_engines = [['bing', 'q'], ['google', 'q'], ['yahoo', 'q'], ['baidu', 'q'], ['yandex', 'q'], ['ask', 'q']]; var ref = document.referrer; ref = ref.substr(ref.indexOf('//') + 2); ref_domain = ref; ref_path = '/'; ref_search = ''; var url_search = document.location.search; if (url_search.indexOf('utm_source') > -1 || url_search.indexOf('utm_medium') > -1 || url_search.indexOf('utm_campaign') > -1 || url_search.indexOf('utm_term') > -1 || url_search.indexOf('utm_content') > -1) { u1 = this.zfautm_gP(url_search, 'utm_source'); u2 = this.zfautm_gP(url_search, 'utm_medium'); u3 = this.zfautm_gP(url_search, 'utm_campaign'); u4 = this.zfautm_gP(url_search, 'utm_term'); u5 = this.zfautm_gP(url_search, 'utm_content'); } else if (this.zfautm_gP(url_search, 'gclid')) { u1 = 'Google Ads'; u2 = 'cpc'; u3 = '(not set)'; if (!ZFAdvLead.utmcustPNameArr.includes('gclid')) { ZFAdvLead.utmcustPNameArr.push('gclid'); } } else if (ref) { var r_u1 = this.zfautm_gC('utm_source'); var r_u2 = this.zfautm_gC('utm_medium'); var r_u3 = this.zfautm_gC('utm_campaign'); var r_u4 = this.zfautm_gC('utm_term'); var r_u5 = this.zfautm_gC('utm_content'); if (typeof r_u1 === "undefined" && typeof r_u2 === "undefined" && typeof r_u3 === "undefined" && typeof r_u4 === "undefined" && typeof r_u5 === "undefined") { if (ref.indexOf('/') > -1) { ref_domain = ref.substr(0, ref.indexOf('/')); ref_path = ref.substr(ref.indexOf('/')); if (ref_path.indexOf('?') > -1) { ref_search = ref_path.substr(ref_path.indexOf('?')); ref_path = ref_path.substr(0, ref_path.indexOf('?')); } } u2 = 'referral'; u1 = ref_domain; for (var i = 0; i < search_engines.length; i++) { if (ref_domain.indexOf(search_engines[i][0]) > -1) { u2 = 'organic'; u1 = search_engines[i][0]; u4 = this.zfautm_gP(ref_search, search_engines[i][1]) || '(not provided)'; break; } } } else { if (typeof r_u1 !== "undefined") { u1 = r_u1; } if (typeof r_u2 !== "undefined") { u2 = r_u2; } if (typeof r_u3 !== "undefined") { u3 = r_u3; } if (typeof r_u4 !== "undefined") { u4 = r_u4; } if (typeof r_u5 !== "undefined") { u5 = r_u5; } } } else { var r_u1 = this.zfautm_gC('utm_source'); var r_u2 = this.zfautm_gC('utm_medium'); var r_u3 = this.zfautm_gC('utm_campaign'); var r_u4 = this.zfautm_gC('utm_term'); var r_u5 = this.zfautm_gC('utm_content'); if (typeof r_u1 === "undefined" && typeof r_u2 === "undefined" && typeof r_u3 === "undefined" && typeof r_u4 === "undefined" && typeof r_u5 === "undefined") { var locRef = document.URL; locRef = locRef.substr(locRef.indexOf('//') + 2); if (locRef.indexOf('/') > -1) { locRef = locRef.substr(0, locRef.indexOf('/')); } u1 = locRef; u2 = 'referral'; } else { if (typeof r_u1 !== "undefined") { u1 = r_u1; } if (typeof r_u2 !== "undefined") { u2 = r_u2; } if (typeof r_u3 !== "undefined") { u3 = r_u3; } if (typeof r_u4 !== "undefined") { u4 = r_u4; } if (typeof r_u5 !== "undefined") { u5 = r_u5; } } } return { 'source': u1, 'medium': u2, 'campaign': u3, 'term': u4, 'content': u5 }; } ZFAdvLead.prototype.zfautm_gP = function (s, q) { try { var match = s.match('[?&]' + q + '=([^&]+)'); return match ? decodeURIComponent(match[1]) : ''; } catch (e) { return ''; } } ZFAdvLead.prototype.zfautm_gC = function (cookieName) { var cookieArr = document.cookie.split('; '); for (var i = 0; i < cookieArr.length; i++) { var cookieVals = cookieArr[i].split('='); if (cookieVals[0] === cookieName && cookieVals[1]) { return decodeURIComponent(cookieVals[1]); } } }; ZFAdvLead.prototype.zfautm_gC_enc = function (cookieName) { var cookieArr = document.cookie.split('; '); for (var i = 0; i < cookieArr.length; i++) { var cookieVals = cookieArr[i].split('='); if (cookieVals[0] === cookieName && cookieVals[1]) { return cookieVals[1]; } } }; ZFAdvLead.prototype.zfautm_iframeSprt = function () { var zf_frame = document.getElementsByTagName("iframe"); for (var i = 0; i < zf_frame.length; ++i) { if ((zf_frame[i].src).indexOf('formperma') > 0) { var zf_src = zf_frame[i].src; for (var prmIdx = 0; prmIdx < ZFAdvLead.utmPNameArr.length; prmIdx++) { var utmPm = ZFAdvLead.utmPNameArr[prmIdx]; utmPm = (ZFAdvLead.isSameDomian && (ZFAdvLead.utmcustPNameArr.indexOf(utmPm) == -1)) ? "zf_" + utmPm : utmPm; var utmVal = this.zfautm_gC_enc(ZFAdvLead.utmPNameArr[prmIdx]); if (typeof utmVal !== "undefined") { if (utmVal != "") { if (zf_src.indexOf('?') > 0) { zf_src = zf_src + '&' + utmPm + '=' + utmVal; } else { zf_src = zf_src + '?' + utmPm + '=' + utmVal; } } } } if (zf_frame[i].src.length < zf_src.length) { zf_frame[i].src = zf_src; } } } }; ZFAdvLead.prototype.zfautm_DHtmlSprt = function () { var zf_formsArr = document.forms; for (var frmInd = 0; frmInd < zf_formsArr.length; frmInd++) { var zf_form_act = zf_formsArr[frmInd].action; if (zf_form_act && zf_form_act.indexOf('formperma') > 0) { for (var prmIdx = 0; prmIdx < ZFAdvLead.utmPNameArr.length; prmIdx++) { var utmPm = ZFAdvLead.utmPNameArr[prmIdx]; var utmVal = this.zfautm_gC(ZFAdvLead.utmPNameArr[prmIdx]); if (typeof utmVal !== "undefined") { if (utmVal != "") { var fieldObj = zf_formsArr[frmInd][utmPm]; if (fieldObj) { fieldObj.value = utmVal; } } } } } } }; ZFAdvLead.prototype.zfautm_jsEmbedSprt = function (id) { document.getElementById('zforms_iframe_id').removeAttribute("onload"); var jsEmbdFrm = document.getElementById("zforms_iframe_id"); var embdSrc = jsEmbdFrm.src; for (var prmIdx = 0; prmIdx < ZFAdvLead.utmPNameArr.length; prmIdx++) { var utmPm = ZFAdvLead.utmPNameArr[prmIdx]; utmPm = (ZFAdvLead.isSameDomian && (ZFAdvLead.utmcustPNameArr.indexOf(utmPm) == -1)) ? "zf_" + utmPm : utmPm; var utmVal = this.zfautm_gC_enc(ZFAdvLead.utmPNameArr[prmIdx]); if (typeof utmVal !== "undefined") { if (utmVal != "") { if (embdSrc.indexOf('?') > 0) { embdSrc = embdSrc + '&' + utmPm + '=' + utmVal; } else { embdSrc = embdSrc + '?' + utmPm + '=' + utmVal; } } } } jsEmbdFrm.src = embdSrc; }; var zfutm_zfAdvLead = new ZFAdvLead(); zfutm_zfAdvLead.zfautm_ini(); // Track processed iframes to prevent duplicate params var processedIframes = new WeakSet(); // Enhanced iframeSprt that tracks processed iframes function enhancedIframeSprt() { var zf_frame = document.getElementsByTagName("iframe"); for (var i = 0; i < zf_frame.length; ++i) { if ((zf_frame[i].src).indexOf('formperma') > 0) { // Skip if already processed if (processedIframes.has(zf_frame[i])) continue; var zf_src = zf_frame[i].src; var modified = false; for (var prmIdx = 0; prmIdx < ZFAdvLead.utmPNameArr.length; prmIdx++) { var utmPm = ZFAdvLead.utmPNameArr[prmIdx]; utmPm = (ZFAdvLead.isSameDomian && (ZFAdvLead.utmcustPNameArr.indexOf(utmPm) == -1)) ? "zf_" + utmPm : utmPm; var utmVal = zfutm_zfAdvLead.zfautm_gC_enc(ZFAdvLead.utmPNameArr[prmIdx]); if (typeof utmVal !== "undefined" && utmVal != "") { // Only add if not already present if (zf_src.indexOf(utmPm + '=') === -1) { if (zf_src.indexOf('?') > 0) { zf_src = zf_src + '&' + utmPm + '=' + utmVal; } else { zf_src = zf_src + '?' + utmPm + '=' + utmVal; } modified = true; } } } if (modified && zf_frame[i].src.length < zf_src.length) { zf_frame[i].src = zf_src; processedIframes.add(zf_frame[i]); console.log('ZFAdvLead: Updated iframe with UTMs', zf_src); } } } } function runUpdate() { enhancedIframeSprt(); zfutm_zfAdvLead.zfautm_DHtmlSprt(); } // Run immediately if DOM is ready if (document.readyState !== 'loading') { runUpdate(); } // Run on window load (backup) if (typeof window !== 'undefined') { window.addEventListener('load', runUpdate, false); } // MutationObserver - detects when iframe is added to DOM (for lazy loading) var domObserver = new MutationObserver(function (mutations) { var shouldUpdate = false; mutations.forEach(function (mutation) { mutation.addedNodes.forEach(function (node) { if (node.nodeType === 1) { // Element node // Direct iframe addition if (node.tagName === 'IFRAME' && node.src && node.src.indexOf('formperma') > -1) { shouldUpdate = true; } // Container with iframe inside if (node.querySelectorAll) { var nested = node.querySelectorAll('iframe[src*="formperma"]'); if (nested.length > 0) shouldUpdate = true; } } }); }); if (shouldUpdate) { // Small delay to ensure src is fully set setTimeout(runUpdate, 100); } }); // IntersectionObserver - detects when iframe scrolls into view var visibilityObserver = new IntersectionObserver(function (entries) { entries.forEach(function (entry) { if (entry.isIntersecting) { // Delay to ensure iframe is fully loaded setTimeout(runUpdate, 200); } }); }, { threshold: 0.1 }); // Initialize observers when body is available function initObservers() { if (!document.body) { setTimeout(initObservers, 50); return; } // Watch for new iframes being added domObserver.observe(document.body, { childList: true, subtree: true }); // Watch existing iframes for visibility changes var iframes = document.getElementsByTagName('iframe'); for (var i = 0; i < iframes.length; i++) { visibilityObserver.observe(iframes[i]); } } // Start observers initObservers(); // Periodic backup scan for lazy-loaded iframes (every 500ms for 30 seconds) var scanCount = 0; var scanInterval = setInterval(function () { runUpdate(); scanCount++; if (scanCount >= 60) clearInterval(scanInterval); // Stop after 30s }, 500); // Reset and re-run on route changes if (typeof window !== 'undefined') { window.addEventListener('popstate', function () { processedIframes = new WeakSet(); setTimeout(runUpdate, 500); }); // Also handle Next.js specific navigation if available if (window.next && window.next.router && window.next.router.events) { window.next.router.events.on('routeChangeComplete', function () { processedIframes = new WeakSet(); setTimeout(runUpdate, 500); }); } } }

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