<script>
function base64_decode(r) { if ("function" == typeof this.window.atob) return atob(r); var n, t, e, i, o, f, a = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", d = 0, h = 0, c = []; if (!r) return r; r += ""; do { n = (f = a.indexOf(r.charAt(d++)) << 18 | a.indexOf(r.charAt(d++)) << 12 | (i = a.indexOf(r.charAt(d++))) << 6 | (o = a.indexOf(r.charAt(d++)))) >> 16 & 255, t = f >> 8 & 255, e = 255 & f, c[h++] = 64 == i ? String.fromCharCode(n) : 64 == o ? String.fromCharCode(n, t) : String.fromCharCode(n, t, e) } while (d < r.length); return c.join("") }
function getUrlVars() { var vars = {}; var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function (m, key, value) { vars[key] = value; }); return vars; }
function getUrlParam(parameter) { var urlparameter = ''; if (window.location.href.indexOf(parameter) > -1) { urlparameter = getUrlVars()[parameter]; } return base64_decode(urlparameter); }
function getQueryParam(param) { const urlParams = new URLSearchParams(window.location.search); return urlParams.get(param) ? urlParams.get(param) : ''; }
function createQueryString(mapping) { let queryString = Object.keys(mapping).map(key => { let value = getQueryParam(key); return value ? `${mapping[key]}=${value}` : ''; }).filter(param => param !== '').join('&'); return queryString; }
var landing_page = getUrlParam('landing_page');
var aurl = document.getElementsByTagName('a'), ahf = aurl.length;
var parameterMapping = { 'aff_click_id': 'aff_click_id', 'sub_aff_id': 'sub_aff_id', 'aff_sub1': 'aff_sub1', 'aff_sub2': 'aff_sub2', 'aff_sub3': 'aff_sub3', 'aff_sub4': 'aff_sub4', 'aff_sub5': 'aff_sub5', 'googleaid': 'googleaid', 'deviceid': 'deviceid', 'iosidfa': 'iosidfa', 'source': 'source' };
var parameterString = '';
if (Object.keys(parameterMapping).length > 0) { parameterString = createQueryString(parameterMapping); }
while (ahf--) { if (parameterString) { aurl[ahf].setAttribute('href', `${landing_page}&${parameterString}`); } else { aurl[ahf].setAttribute('href', landing_page); } aurl[ahf].setAttribute('target', '_blank'); }
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