$(function() {  
  
  $('.error').hide();  
  
  $(".button").click(function() {  
    
		// validate and process form here  
		$('.error').hide();  
		  var email = $("input#email").val();  
		  if (email == "") {  
		  $("label#email_error").show();  
		  $("input#email").focus();  
		  return false;  
		} 

		// Process 
		var name = $("input#name").val();
		var subscription = $("input#subscription").val();
		var captcha = $("input#captcha").val();
		var dataString = 'name='+ name + '&email=' + email + '&subscription=' + subscription + '&captcha=' + captcha;
		$.ajax({  
			type: "POST",  
			url: "process-mailing-list.php",  
			data: dataString,  
			success: function() {  
				$('#contact_form').html("<div id='message'></div>");  
				$('#message').html("<p>Request receieved. Thanks for your interest.</p>")  
				.hide()  
				.fadeIn(1500, function() {  
				// $('#message').append("<img id='checkmark' src='images/check.png' />");  
				});  
  			}  
		});  
		
		return false; 
  		// Process  end 
		
  });   
});