Javascript Include

function include(type, source){
//Includes external resources via injection

  var head = document.getElementsByTagName('head')[0];

  switch(type){
    case 'js': {
      resource = document.createElement('script');
      resource.type = 'text/javascript';
      resource.src = source;
      break;
    }
    case 'css': {
      resource = document.createElement('link');
      resource.rel = 'stylesheet';
      resource.type = 'text/css';
      resource.href = source;
      break;
    }
  }
  console.log('Included ' + type + ': ' + source);
  head.appendChild(resource);
}