$(document).ready(function() {	
		$("#username").focus();				   
		$("form#frm_login").submit(function() {
					$.ajax({
						type: "POST",
						url: "core/controller/login.php",
						data: 	"username=" + $("#username").val() + 
								"&password=" + $("#password").val(),
						success: function(html){
							$("#response").html(html);
							$('div.error').fadeIn();
						}
					});
			return false;
		});
		
});