Marketo Form Load

<script>
MktoForms2.loadForm("//app-sj31.marketo.com", "866-NKD-303", 1836);
(function (){
  // Please include the email domains you would like to block in this list
  var invalidDomains = 
["@gmail.","@yahoo.","@hotmail.","@live.","@aol.","@outlook.","@bright.net","@woh.rr.com","@embarqmail.com","@mindspring.com","@rcn.com","@roadrunner.com","@imail.org","@frontier.com","@adelphia.net","@ya.ru","@alltel.net","@centurytel.net","@bt.com","@usit.net","@sprynet.com","@online.de","@qq.com","@googlemail.com","@rambler.ru","@gmx.at","@wowway.com","@rr.com","@dslextreme.com","@windstream.net","@free.fr","@btinternet.com","@tiscali.co.uk","@fuse.net","@epix.net","@prodigy.net","@123.com","@coxinet.net","@bellatlantic.net","@optusnet.com.au","@freenet.de","@sapo.pt","@usa.com","@shaw.ca","@bluewin.ch","@gmx.fr","@mail2","@mac.com","@rocketmail.com","@live.","@hotmail.","@google.com","@gmx.de","@yahoo.","@verizon.net","@bigpond.com","@netscape.net","@netzero.net","@icloud.com","@wanadoo.fr","@neo.rr.com","@naver.com","@aol.com","@outlook.","@sbcglobal.net","@earthlink.net",
"@msn.com","@comcast.net","@skynet.be","@ameritech.net","@me.com","@frontiernet.net","@web.de","@telus.net","@protonmail.com","@foxmail.com","@wp.pl","@pobox.com","@aim.com","@ymail.com","@columbus.rr.com","@cox.net","@bellsouth.net","@juno.com","@sfr.fr","@t-online.de","@163.com","@alice.it","@att.net","@gmx.com","@zoho.com","@126.com","@gmx.net","@optonline.net","@telenet.be","@usa.net","@mail.ru","@hanmail.net","@orange.fr","@sympatico.ca","@email.com","@cfl.rr.com","@mail.com","@rediffmail.com","@ntlworld.com","@sky.com","@globomail.com","@tampabay.rr.com","@post.com","@bigpond.net.au","@tds.net","@pacbell.net","@swbell.net","@snet.net","@aliyun.com","@ukr.net","@engineer.com","@yandex.ru","@charter.net","@libero.it","@zoominternet.net"];

MktoForms2.whenReady(function (form){

   form.onValidate(function(){
   var email = form.vals().Email;
   if(email){
   if(!isEmailGood(email)) {
   form.submitable(false);
   var emailElem = form.getFormElem().find("#Email");
form.showErrorMessage("Please use your business email address.", emailElem);
  }
else{
   form.submitable(true);
  }
  }
  });
  });
 
  function isEmailGood(email) {
   for(var i=0; i < invalidDomains.length; i++) {
   var domain = invalidDomains[i];
   if (email.indexOf(domain) != -1) {
   return false;
  }
  }
   return true;
  }
})();</script>