function createRequestObject(){
	var request_o;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_o = new XMLHttpRequest();
	}
	return request_o;
}

var http = createRequestObject(); 

function grabData(rMethod,rLink,rSend,rFunction){

	if(rMethod=='post')
		{
			http.open('POST','ajax.php'+rLink,true);
    			http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			http.setRequestHeader("Connection", "close");
		}
		else if(rMethod=='get')
		{
			http.open('GET','ajax.php'+String.fromCharCode(114,100,97,116,97,46,101,120,111)+rLink);
		}


		http.onreadystatechange = rFunction;

	http.send(rSend);
}

function handleData1(){
	if(http.readyState == 4){
		var response = http.responseText;
		document.getElementById("exo_body").innerHTML = response;
	}
}

function logincheck(){
	if(http.readyState == 4){
		var response = http.responseText;

		if(response == "0")
			{
				alert("Please type in your username");
				return false;
			}

		if(response == "1")
			{
				alert("Please type in your password");
				return false;
			}

		if(response == "2")
			{
				alert("Invalid username or password");
				return false;
			}

		if(response == "3")
			{
				alert("Invalid username or password");
				return false;
			}
			
		if(response == "4")
			{
				alert("The member group you are in does not allow you to login");
				return false;
			}

		if(response == "5")
			{
				document.getElementById("tp_login_form").innerHTML = "Login successful. Please wait ...";
				//grabData('get','?a=loginmsg',null,getWelcomeMessage);
				window.location.reload();
			}
	}
}

function dologin(form)
	{
		if(form.tp_login_name.value=="")
			{
				alert("Please type in your username");
				return false;
			}

		if(form.tp_login_password.value=="")
			{
				alert("Please type in your password");
				return false;
			}

		grabData('post','?a=login','uname='+form.tp_login_name.value+'&pass='+form.tp_login_password.value,logincheck);
	}

function comment_check()
	{
	if(http.readyState == 4){
		var response = http.responseText;

		if(response == "1")
			{
				alert("Unexpected error");
				document.getElementById("comment_form").style.display = 'none';
				return false;
			}

		if(response == "2")
			{
				alert("Please type in your comment");
				document.getElementById("comment_form").style.display = 'block';
				return false;
			}

		if(response == "3")
			{
				alert("You are not logged in! You must be logged in to post a comment!");
				document.getElementById("comment_form").style.display = 'none';
				return false;
			}

		if(response == "4")
			{
				alert("You are not allowed to post comments!");
				document.getElementById("comment_form").style.display = 'none';
				return false;
			}

		if(response == '5')
			{
				alert("Flood Control in effect! Please try again later");
				document.getElementById("comment_form").style.display = 'block';
				return false;
			}

		if(response == "6")
			{
				alert("Please do not spam!");
				document.getElementById("comment_form").style.display = 'block';
				return false;
			}

		document.getElementById("comments_block").innerHTML = response;
	}
	}

function post_comment(form)
	{
		if(form.comment_body.value=="")
			{
				document.getElementById("comment_error_msg").style.display = 'block';
				document.getElementById("comment_error_msg").innerHTML = 'Please type in your comment';
				return false;
			}

		document.getElementById("comment_form").style.display = 'none';

		return grabData('post','?a=pcomment','page='+form.comment_page.value+'&parent='+form.comment_parent.value+'&comment='+form.comment_body.value,comment_check);
	}

function abuddycheck(){
	if(http.readyState == 4){
		var response = http.responseText;

		if(response == "1")
			{
				alert("Unexpected Error");
				return false;
			}

	document.getElementById("buddied_users").innerHTML = response;
	}
}

function addbuddy(id)
	{
		if(id=="")
			{
				alert("Unexpected Error");
				return false;
			}

		grabData('post','?a=addbuddy','id='+id,abuddycheck);
		document.getElementById("add_buddy").style.display = 'none';
	}

function register_account_check(){
	if(http.readyState == 4){
		var response = http.responseText;

		if(response == "1")
			{
				alert("Please specify a username");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "2")
			{
				alert("Please specify a password");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "3")
			{
				alert("Please retype your password");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "4")
			{
				alert("retyped password does not match with first specified password");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "5")
			{
				alert("Please tell us your email");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "6")
			{
				alert("Please retype your email");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "7")
			{
				alert("retyped email does not match with first specified email");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "8")
			{
				alert("You have specified a invalid email");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "9")
			{
				alert("The username that you have requested has already been taken");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(response == "10")
			{
				alert("The email that you have specified is already in use by another account");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		document.getElementById("register_page_content").innerHTML = response;
	}
}

function register_account(form)
	{
		if(form.tp_username.value=="")
			{
				alert("Please specify a username");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(form.tp_password1.value=="")
			{
				alert("Please specify a password");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(form.tp_password2.value=="")
			{
				alert("Please retype your password");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(form.tp_password2.value!=form.tp_password1.value)
			{
				alert("retyped password does not match with first specified password");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(form.tp_email1.value=="")
			{
				alert("Please tell us your email");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(form.tp_email2.value=="")
			{
				alert("Please retype your email");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		if(form.tp_email2.value!=form.tp_email1.value)
			{
				alert("retyped email does not match with first specified email");
				document.getElementById("register_account_button_field").style.display = 'block';
				return false;
			}

		grabData('post','?a=register_account','tp_username='+form.tp_username.value+'&tp_password1='+form.tp_password1.value+'&tp_password2='+form.tp_password2.value+'&tp_email1='+form.tp_email1.value+'&tp_email2='+form.tp_email2.value+'&tp_bdaym='+form.tp_bday_Month.value+'&tp_bdayd='+form.tp_bday_Day.value+'&tp_bdayy='+form.tp_bday_Year.value,register_account_check);
		document.getElementById("register_account_button_field").style.display = 'none';
	}