Redirect the page based on URL parameters

redirect-based-on-parameter.js

function getParameterByName(name) {
    name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
        results = regex.exec(location.search);
    return results == null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}

if((getParameterByName('FR_ID') == '1070' || getParameterByName('fr_id') == '1070') && (!getParameterByName('pw_id')) ) {
  window.location = window.location + '&pw_id=1741';
}