function SendForm( data ) {
   const xmlhttp = new XMLHttpRequest();
   var formdataobj = new FormData(form);
// if the the send succeeds this will give us the status
  xmlhttp.addEventListener( "load", function(event) {
  alert( event.target.responseText );
  } );
// if the send fails this will give us the status
  xmlhttp.addEventListener( "error", function( event ) {
  alert( 'Something went wrong.' );
  } );
  xmlhttp.open( "POST", "contact.php" );
  xmlhttp.send( formdataobj);
  //get hold of the form we created earlier and bind a event listener to it.
  var form = document.getElementById( "myForm" );
  form.addEventListener( "submit", function ( event ) {
  event.preventDefault();
  sendForm();
  } ); }