$(document).ready(function(){
	$('#newsletter-signup').submit(function(){
		
		//check the form is not currently submitting
		if($(this).data('formstatus') !== 'submitting'){
		
			//setup variables
			var form = $(this),
				formData = form.serialize(),
				formUrl = form.attr('action'),
				formMethod = form.attr('method'), 
				responseMsg = $('#signup-response');
			
			//add status data to form
			form.data('formstatus','submitting');
			
			//show response message - waiting
			responseMsg.hide()
					   .addClass('response-waiting')
					   .text('Please Wait...')
					   .fadeIn(200);
			
			//send data to server for validation
			$.ajax({
				url: formUrl,
				type: formMethod,
				data: formData,
				success:function(data){
					
					//setup variables
					var responseData = jQuery.parseJSON(data), 
						klass = '';
					
					//response conditional
					switch(responseData.status){
						case 'error':
							klass = 'response-error';
						break;
						case 'success':
							klass = 'response-success';
						break;	
					}
					
					//show reponse message
					responseMsg.fadeOut(200,function(){
						$(this).removeClass('response-waiting')
							   .addClass(klass)
							   .text(responseData.message)
							   .fadeIn(200,function(){
								   //set timeout to hide response message
								   setTimeout(function(){
									   responseMsg.fadeOut(200,function(){
									       $(this).removeClass(klass);
										   form.data('formstatus','idle');
									   });
								   },3000)
								});
					});
				}
			});
		}
		
		//prevent form from submitting
		return false;
	});
});