/* ---------------------------- */
/* XMLHTTPRequest Enable */
/* ---------------------------- */
function createObject() {
var request_type;
var browser = navigator.appName;
if(browser == "Microsoft Internet Explorer"){
request_type = new ActiveXObject("Microsoft.XMLHTTP");
}else{
request_type = new XMLHttpRequest();
}
return request_type;
}

var http = createObject();
/* -------------------------- */
/* INSERT */
/* -------------------------- */
/* Required: var nocache is a random number to add to request. This value solve an Internet Explorer cache issue */
var nocache = 0;
function insert_comment( form ) {
	if( !form.message.value.trim().length ){
		alert('Please provide your comment on the text box.');
		return false;
	}
//	document.getElementById('insert_response').innerHTML = "Just a second..."
	// Optional: Show a waiting message in the layer with ID login_response
	// Required: verify that all fileds is not empty. Use encodeURI() to solve some issues about character encoding.
	var message= encodeURI( form.message.value );
	var tuturl= encodeURI( form.tuturl.value );
	var tutid2= encodeURI( form.tutid2.value );
	// Set te random number to add to URL request
	nocache = Math.random();
	// Pass the login variables like URL variable
	http.open('get', 'insert.php?message='+message+'&tuturl='+tuturl+'&tutid2='+tutid2+'&nocache='+nocache);
	http.onreadystatechange = insertReply;
	http.send(null);
	
	form.btn_submit.disabled = true;
	form.btn_submit.style.backgroundPosition = "0 -40px";
	form.btn_submit.style.color = "#333333";
	form.btn_submit.value = "Pls wait..";
	
	return false;
}
function insertReply() {
	var form = document.getElementById('comment_form');
	if(http.readyState == 4){
		var response = http.responseText;
		if( response == 'error' ){
			alert('Error occured, please try again later.');
		}else{// else if login is ok show a message: "Comment Added+ site URL".
			var cmt_wrap = document.getElementById('cmt_wrap');
			cmt_wrap.innerHTML = response +cmt_wrap.innerHTML;
			document.getElementById('cmt_title_h').innerHTML = '<h3 class="c1 b luci title">Comments on '+ game_title +':</h3>';
			location.href = '#cmt_title_h';
		}
		form.btn_submit.disabled = false;
		form.btn_submit.style.backgroundPosition = "";
		form.btn_submit.style.color = "";
		form.btn_submit.value = "Submit";
	}
}

var http2 = createObject();
var wrap_orig;
function add_to_favs(){
	var wrap = document.getElementById('fav_wrapper');
	wrap_orig = wrap.innerHTML;
	wrap.innerHTML = '<img src="'+ fav_ani +'" width="125" height="16" alt="Adding..." />';
	
	var url = 'index.php?id=addfav&gid='+game_id+'&nocache='+Math.random();
	http2.open('get',url);
	http2.onreadystatechange = favs_response;
	http2.send(null);
	
	return false;
}
function favs_response(){
	if( http2.readyState == 4 ){
		var wrap = document.getElementById('fav_wrapper');
		var response = http2.responseText;
		switch( Number(response) ){
			case 1:
				wrap.innerHTML = '<img src="'+ fav_done +'" width="125" height="16" alt="Favorited" />';
//				alert( game_title +' was succesfully added to your favorites.\n\nYour favorites can be seen on your profile.');
				break;
			case 2:
				wrap.innerHTML = '<img src="'+ fav_done +'" width="125" height="16" alt="Favorited" />';
				alert( game_title +' appears to be already on your favorites.');
				break;
			case 999:
				wrap.innerHTML = wrap_orig;
				alert('You need to login/register to add this game to your favorites.');
				break;
			case 0:
			default:
				wrap.innerHTML = wrap_orig;
				alert('An error occured while adding the game to your favorites.\nPlease try again later.');
				break;
		}
	}
}