Referral Link For Sales Force Web To Lead

salesforce_sales_referral.html

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.1.3/js.cookie.min.js"></script>
<script type="text/javascript">
(function($){
  var getParameterByName = function(name, url) {
    if (!url) {
      url = window.location.href;
    }
    name = name.replace(/[\[\]]/g, "\\$&");
    var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
        results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, " "));
  };
  var appropriateRef = function(ref){
    return (
      ref == 'firstname.lastname' ||
      ref == 'firstname1.lastname1' ||
      ref == 'firstname2.lastname2' ||
    );
  };
  var inputValue = 'Zippay Merchant Application';
  var ref = (getParameterByName('ref') || "").toLowerCase();
  while(ref.indexOf(' ') > -1){
    ref = ref.replace(' ', '.');
  }
  if(appropriateRef(ref)){
    var names = ref.split('.');
    for(var i = 0; i < names.length; i ++){
      names[i] = names[i][0].toUpperCase() + names[i].substring(1);
    }
    var formalname = names.join(' ');
    inputValue = inputValue + ' - Ref: ' + formalname;

    //Create the cookie.
    if(Cookies){
      Cookies.set('merchant_application_ref', formalname);
    }
  }else{
    //Read a cookie.
    if(Cookies){
      var cookieRef = decodeURIComponent(Cookies.get('merchant_application_ref') || "");
      cookieRef = cookieRef.toLowerCase();
      while(cookieRef.indexOf(' ') > -1){
        cookieRef = cookieRef.replace(' ', '.');
      }
      if(appropriateRef(cookieRef)){
        var names = cookieRef.split('.');
        for(var i = 0; i < names.length; i ++){
          names[i] = names[i][0].toUpperCase() + names[i].substring(1);
        }
        var formalname = names.join(' ');
        inputValue = inputValue + ' - Ref: ' + formalname;
      }
    }
  }
  $(window).load(function(){
    $('<input />').attr({ type: 'hidden', id: 'lead_source', name: 'lead_source', value: inputValue }).prependTo('div.merchant-form form');
  });
  console.log(inputValue);
})(window.jQuery || window.$);
</script>