class="bold">Password</label><input type="password" id="password"></p><button id="subbtn" class="secondary-action">Login</button>');
  d3.select('#username')[0][0].value ='';
  d3.select('#password')[0][0].value ='';

  var user = core.sample(ui_utils.FIFTY_NAMES).toLowerCase();
  var password = ui_utils.generateString(2,6)
  d3.select('#query').html('Enter the <span class="bold">username</span> "' + user + '" and the <span class="bold">password</span> "' + password + '" into the text fields and press login