gistfile1.js

var current_directory = 'downloads';
$.get('adminajax.php', {'action':'getDirectory', 'directory':current_directory}, function(data){
	$('#files .files').html(data);
	deleteUser();
});

$.get('adminajax.php', {'action':'getUsers'}, function(data){
	$('#users .users').html(data);
	deleteUser();
});

function deleteUser(){
  var username = $('.delete').siblings('a').html();
  console.log(username);
  $('.delete').click(function(){
    $.ajax('adminajax.php', {'type':'DELETE','action':'deleteUser', 'user':username}, function(data){
      alert('The user has just been deleted!');
    });
  })
}