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.isSameDomain = 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']]; //List of search engines var ref = document.referrer; ref = ref.substr(ref.indexOf('//')+2); ref_domain = ref; ref_path = '/'; ref_search = ''; // Checks for campaign parameters 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") { // separate domain, path and query parameters 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; // Extract term for organic source for (var i=0; i -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 + '=([^&]+)'); if ( match ) { if ( match[1].length > 199 ) { var raw = decodeURIComponent(match[1]); raw = raw.replace(/[^A-Za-z0-9_]/g, ''); return raw.slice( 0, 199 ); } else { return decodeURIComponent(match[1]); } } else { return ''; } } 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.isSameDomain && ( ZFAdvLead.utmcustPNameArr.indexOf(utmPm) == -1 ) ) ? "zf_" + utmPm : utmPm; var utmPmregex = new RegExp("[?&]" + utmPm + "="); if ( ! utmPmregex.test(zf_src) ) { 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.isSameDomain && ( 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(); if( document.readyState == "complete" ){ zfutm_zfAdvLead.zfautm_iframeSprt(); zfutm_zfAdvLead.zfautm_DHtmlSprt(); } else { window.addEventListener('load', function (){ zfutm_zfAdvLead.zfautm_iframeSprt(); zfutm_zfAdvLead.zfautm_DHtmlSprt(); }, false); }

Tuan Nguyen

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