var hidden_text = {
			show: function(obj,source)
			{
				var url = '/service/source/ctrl.hidden_text';
				var container = obj.parentNode;
				
				$.ajax({
					url: url,
					type: 'POST',
					dataType: 'html',
					data: {
						source: source,
						captcha_code: $('.captcha_code',container).val()
					},
					success: function(data) {
						$(container).html(data);
					}
				});
			}
		};