$(document).ready(function(){
	//global vars
	var inputUser = $("#name");
	var inputEmail = $("#email");
	var inputMessage = $("#comment");
	var inputDate = $("#date");
	var inputPurl = $("#purl");
	var inputIP = $("#ip");
	var loading = $("#loading");
	var messageList = $(".content > table");
	
	//functions
	function updateShoutbox(){
		//just for the fade effect
		messageList.hide();
		loading.fadeIn();
		//send the post to pages/com/shoutbox.php
		var purl = inputPurl.attr("value");
		$.ajax({
			type: "POST", url: "includes/com.php", data: "action=update" + "&purl=" + purl,
			complete: function(data){
				loading.fadeOut();
				messageList.html(data.responseText);
				messageList.fadeIn(2000);
			}
		});
	}
	//check if all fields are filled
	function checkForm(){
		if(inputUser.attr("value") && inputMessage.attr("value"))
			return true;
		else
			return false;
	}
	
	//Load for the first time the shoutbox data
	updateShoutbox();
	
	//on submit event
	$("#form").submit(function(){
		if(checkForm()){
			var name = inputUser.attr("value");
			var comment = inputMessage.attr("value");
			var date = inputDate.attr("value");
			var email = inputEmail.attr("value");
			var purl = inputPurl.attr("value");
			var ip = inputIP.attr("value");
			//we deactivate submit button while sending
			$("#send").attr({ disabled:true, value:"Sending..." });
			$("#send").blur();
			//send the post to pages/com/shoutbox.php
			$.ajax({
				type: "POST", url: "includes/com.php", data: "action=insert&name=" + name + "&email=" + email + "&comment=" + comment + "&date=" + date + "&purl=" + purl + "&ip=" + ip,
				complete: function(data){
					messageList.html(data.responseText);
					updateShoutbox();
					//reactivate the send button
					$("#send").attr({ disabled:false, value:"Comment" });
				}
			 });
		}
		else alert("Please fill all fields!");
		//we prevent the refresh of the page after submitting the form
		return false;
	});
});