รบกวนผู้เชี่ยวชาญช่วยอธิบายโค๊ด javascript นี้หน่อยครับ

<script type="text/javascript">
			$(function(){
				$("#demoForm").formwizard({ 
				 	formPluginEnabled: true,
				 	validationEnabled: true,
				 	focusFirstInput : true,
				 	formOptions :{
						success: function(data){$("#status").fadeTo(500,1,function(){ $(this).html("You are now registered!").fadeTo(5000, 0); })},
						beforeSubmit: function(data){$("#data").html("data sent to the server: " + $.param(data));},
						dataType: 'json',
						resetForm: true
				 	}	
				 }
				);
  		});
    </script>