text: $(document).ready(function() {
    $("#submit").click(function() {
      $.blockUI({ message: '<div style="top:25%; position:relative;"><img src="../static/images/spinner.gif"/><br><br><br><p style="font-size: 20px;">Please Wait! The gossip procsses is being initialized.</p></div>' });
    });
  
    var $select1 = $('#select1'),
    $select2 = $('#select2'),
    $options = $select2.find('option');
  
    $select1.on('change', function() {
      $select2.html( $options.filter('[id="' + this.value + '"]'));
    }).trigger('change');
  })
  
  function execClick(event) {
    event.preventDefault();
    alert("Please start the experiement.");
  }