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document.addEventListener('DOMContentLoaded', function () {
function setField(id, value) {
const field = document.getElementById('form-field-' + id);
if (field) {
field.value = value || '';
}
}
const params = new URLSearchParams(window.location.search);
setField('mtm_campaign', params.get('mtm_campaign'));
setField('mtm_kwd', params.get('mtm_kwd'));
setField('mtm_source', params.get('mtm_source'));
setField('mtm_medium', params.get('mtm_medium'));
setField('mtm_content', params.get('mtm_content'));
setField('mtm_cid', params.get('mtm_cid'));
setField('mtm_group', params.get('mtm_group'));
setField('mtm_placement', params.get('mtm_placement'));
// First landing page (stored once)
if (!sessionStorage.getItem('landing_page')) {
sessionStorage.setItem('landing_page', window.location.href);
}
setField('landing_page', sessionStorage.getItem('landing_page'));
setField('page_url', window.location.href);
});
