cforge-2.0.x-dev/modules/cforge_referrer/referrer-settings.js

document.getElementById('referral-src--description').getElementsByTagName('a')[0]
  .addEventListener("click", openWalletManagePage); 
function openWalletManagePage() {
    wallet_id = document.getElementById('referral-src').value;
    wid = wallet_id.match('\\(([0-9]+)\\)');
    link = document.getElementById('referral-src--description').getElementsByTagName('a');
    window.open('/wallet/'+wid[1]+'/edit');
}