Klipfolio - Set Variables with Query String

// Klipfolio - Set Variables with Query String

var getUrlParameter = function getUrlParameter(sParam) {
    var sPageURL = decodeURIComponent(window.location.search.substring(1)),
        sURLVariables = sPageURL.split('&'),
        sParameterName,
        i;

    for (i = 0; i < sURLVariables.length; i++) {
        sParameterName = sURLVariables[i].split('=');

        if (sParameterName[0] === sParam) {
            return sParameterName[1] === undefined ? true : sParameterName[1];
        }
    }
};

$( document ).ready( function() {
    var PROD = getUrlParameter('prod');
    var BETA = getUrlParameter('beta');

    var changeKlipfolioVariable = function changeKlipfolioVariable () {
        if (PROD == true) {
            $("select").val('DataWarehousePROD').change();
            console.log( "Switched variable to PROD" );
            } else if (BETA == true) {
            $("select").val('DataWarehouseBETA').change();
            console.log( "Switched variable to BETA" );
        }
    }
    changeKlipfolioVariable();
    //setTimeout(changeKlipfolioVariable, 5000)
    console.log( "Variables - PROD: " + PROD + " BETA: " + BETA );
});

    window.addEventListener('load', function(){
  // Everything has loaded!
  console.log("Everything has loaded!");
});