/**
 * JogosBR 2.2.2
 * Copyright © 2006-2009 JogosBR, All Rights Reserved
 **/

var loader = '<div style="text-align: center;"><img src="' + siteurl + '/images/load.gif" /></div>';
var bb = new Array(0, 0, 0, 0, 0);

// get object position
function get_position(obj) {
	var left_pos = 0; var top_pos = 0;
	if (obj.offsetParent) {
		do {
			left_pos += obj.offsetLeft;
			top_pos += obj.offsetTop;
		} while (obj = obj.offsetParent);
	} else if (obj.x) {
		left_pos += obj.x;
		top_pos += obj.y;
	}
	var jada = new Array(left_pos, top_pos);
	return jada;
}

// get the dimensions of window
function get_window_dimensions() {
	var width = 0; var height = 0;
	if (window.innerWidth) {
		// all normal browsers
		width = window.innerWidth;
		height = window.innerHeight;
	} else if (document.documentElement.clientWidth && document.documentElement.clientWidth != 0) {
		// IE
		width = document.documentElement.clientWidth;
		height = document.documentElement.clientHeight;
	} else {
		// some old IE
		width = document.body.clientWidth;
		height = document.body.clientHeight;
	}
	var jada = new Array(width, height);
	return jada;
}

// add event that occures on page load
function addLoadEvent(func) {	
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
    	window.onload = func;
	} else {
		window.onload = function(){
			oldonload();
			func();
		}
	}
}

// make "document.getElementById" a bit shorter
function doc_id(id) {
	return document.getElementById(id);
}

// sometimes we just need <br />
function nl2br(string) {
	return string.replace(/(\\r)?\\n/g, "<br />");
}

// we do not want HTML
function nohtml(string) {
    string = string.replace(/"/g,'&quot;');
    string = string.replace(/</g,'&lt;');
    string = string.replace(/>/g,'&gt;');
	return string;
}

// (un)check all checkboxes
function check_all() {
	for (var i = 0; i < document.form.elements.length; i++) {
		var e = document.form.elements[i];
		if (e.name != "all" && e.type == "checkbox")
			e.checked = document.form.all.checked;
	}
}

// count hits out
function link_out(link_id) {
	window.open(siteurl + "/links.php?a=out&l=" + link_id);
	return false;
}

// some thins shouldn't be deleted just because user thinks they should be deleted
function confirm_delete() {
	if (confirm(sure_delete))
		return true;
	else
		return false;
}

// we need all fields
function verify_link_add() {
	if (document.form.link_title.value=="" || document.form.link_url.value=="" || document.form.link_description.value=="" || document.form.link_email.value=="") {
		alert(all_fields_required);
		return false;
	} else
		return true;
}

// we need file
function verify_submit() {
	if (doc_id("title").value == "" || doc_id("description").value == "" || 
			doc_id("upload_file").value == "" || doc_id("upload_image").value == "") {
		alert(all_fields_required);
		return false;
	} else
		return true;
}

// make sure all required fields have been filled
function verify_sponsor() {
	if (document.getElementById("os0").value == '' || document.getElementById("os1").value == '' || document.getElementById("os1").value == 'http://') {
		alert(all_fields_required);
		return false;
	} else
		return true;
}

// form for adding score comments
function score_comment_form(comment_id) {
	doc_id("edit_comment_" + comment_id).innerHTML = '<input type="text" size="20" maxlength="50" id="score_comment" /> <input type="submit" value="' + submit_button + '" onclick="edit_score_comment(' + comment_id + ')" />';
	doc_id("edit_comment_" + comment_id).firstChild.focus();
}

// display comment verification code
function comment_verification() {
	if (doc_id("comment_verification").style.display == "none") {
		doc_id("comment_verification").style.display = "block";
		doc_id("c_verification_image").src = siteurl + "/includes/verification_image.php";
	}
}

// new verification image
function refresh_image(image_id) {
	doc_id(image_id).src = siteurl + "/includes/verification_image.php?" +  Math.random();
}

// Open tell a friend pop-up
function tell_friend_pop() {
	var tell_friend = doc_id("tell_friend_popup");
	try {
		var file_info = doc_id("file_info");
		var position = get_position(file_info);
	} catch (e) {
		alert("There was an error: " + e); return false;
	}
	
	// show popup
	tell_friend.style.display = "block";
	if (doc_id("friend_verification")) {
		refresh_image("friend_verification");
	}
	
	// reposition
	left_plus = 40;
	tell_friend.style.top = (position[1] + 15) + "px";
	tell_friend.style.left = (position[0] + left_plus) + "px";
}

// open report broken popup
function report_broken() {
	var report_broken = doc_id("report_broken_popup");
	try {
		var file_info = doc_id("file_info");
		var position = get_position(file_info);
	} catch (e) {
		alert("There was an error: " + e); return false;
	}

	report_broken.style.display = "block"; // show popup
	
	// reposition
	left_plus = 40;
	report_broken.style.top = (position[1] + 40) + "px";
	report_broken.style.left = (position[0] + left_plus) + "px";
}

// close JavaScript pop-up-thingy
function close_popup(popup) {
	doc_id(popup + "_popup").style.display = "none";
	if (popup == 'tell_friend') {
		doc_id("friend_email").value = "";
		if (doc_id("friend_verification_code")) {
			doc_id("friend_verification_code").value = "";
		}
		doc_id("tell_friend_error").innerHTML = "<br />";
		doc_id("tell_friend_form").style.display = "";
	}
}

// bb code
function bb_code(code, text_id) {
	var message = doc_id(text_id);
	var bb_code;
	message.focus();
	
	// code to insert
	switch (code) {
		case 0: bb_code = "b"; break;
		case 1: bb_code = "i"; break;
		case 2: bb_code = "u"; break;
		case 3: bb_code = "s"; break;
		case 4: bb_code = "quote"; break;
	}
	if (bb[code] % 2 == 0)
		bb_code = "[" + bb_code + "]";
	else
		bb_code = "[/" + bb_code + "]";
	bb[code]++;

	// add BB code to textarea
	if (document.selection)
		document.selection.createRange().text = bb_code;
	else if (message.selectionStart || message.selectionStart == 0)
		message.value = message.value.substring(0, message.selectionStart) + bb_code + message.value.substring(message.selectionEnd, message.value.length);
	else
		message.value += bb_code;
}
function emoticon(code, text_id) {
	var message = doc_id(text_id);
	message.focus();

	// add emoticon to textarea
	if (document.selection)
		document.selection.createRange().text = code;
	else if (message.selectionStart || message.selectionStart == 0)
		message.value = message.value.substring(0, message.selectionStart) + code + message.value.substring(message.selectionEnd, message.value.length);
	else
		message.value += code;
}

// make XML request without XML (AJAX without XML, AJAJ)
function makeHttpRequest(url, callback_function, return_json, post_data) {
	var xmlHttp, response;
	try {
		xmlHttp=new XMLHttpRequest(); // Firefox, Opera 8.0+, Safari
	} catch (e) {
    	// Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	
	if (!xmlHttp)
		return;

	xmlHttp.onreadystatechange = function() {
		if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete") {
			// parse JSON
			if (return_json) {
				try {
					response = eval('(' + xmlHttp.responseText + ')');
				} catch (e) {
					alert('There was an error: ' + e + '\nResponse: ' + xmlHttp.responseText);
				}
			} else {
				response = xmlHttp.responseText;
			}

			callback_function(response); // callback function
		}
 	}; 

	// to post or not to post?
	if (post_data) {
		// OK, so we post
		xmlHttp.open("POST", url, true);
		xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xmlHttp.send(post_data);
	} else {
		// lets just get
		xmlHttp.open("GET", url, true);
		xmlHttp.send(null);
	}
}

// show user favourite games
function favourites_menu(link) {
	// no div?
	if (!document.getElementById("favourites_menu")) {
		var fav_menu = document.createElement("div");
		fav_menu.setAttribute("id", "favourites_menu");
		document.body.appendChild(fav_menu);
	} else {
		var fav_menu = doc_id("favourites_menu");
		if (fav_menu.style.display == "block")
			return;	
	}

	var position = get_position(link); // asukoht
	fav_menu.style.display = "block";
	fav_menu.style.top = (position[1] + 17) + "px";
	fav_menu.style.left = (position[0] + 2) + "px";
	fav_menu.innerHTML = loader;

	function back_function(server_r) {
		contents = '<ul>';
		for (i = 0; i < server_r.length; i++)
			contents += '<li><a href="' + server_r[i].url + '">' + server_r[i].title + '</a></li> ';
		contents += '</ul>';
		fav_menu.innerHTML = contents;
		document.onclick = function() {
			doc_id("favourites_menu").style.display = "none";
			document.onclick = null;
		};
		fav_menu.onclick = stop_event;
	}
	makeHttpRequest(siteurl + "/usercp.php?a=favourites&ajax=1", back_function, true);
}

// submit broken file report
function submit_report_broken(file_id) {
	doc_id("submit_report_broken").disabled = true; // disable submit button
	function back_function(server_r) {
		document.getElementById("report_broken_popup").innerHTML = server_r.message;
		setTimeout("close_popup('report_broken')", 1000); // close after 1 second
	}
	makeHttpRequest(siteurl + "/file.php?a=report_broken&f=" + file_id, back_function, true, "broken_reason=" + doc_id("broken_reason").value);
}

// submit tell a friend email
function submit_tell_friend(file_id) {
	var error = doc_id("tell_friend_error");
	var submit = doc_id("submit_tell_friend");
	submit.disabled = true; // disable button
	function back_function(server_r) {
		error.innerHTML = server_r.message;
		submit.disabled = false;
		if (server_r.error == 0) {
			doc_id("tell_friend_form").style.display = "none";
			setTimeout("close_popup('tell_friend')", 1000); // close after 1 second
		}
	}
	
	// data that will be sent to server
	var query = "your_name=" + doc_id("your_name").value + "&your_email=" + doc_id("your_email").value + "&friend_email=" + doc_id("friend_email").value;
	if (document.getElementById("friend_verification_code"))
		query += "&friend_verification_code=" + doc_id("friend_verification_code").value;

	makeHttpRequest(siteurl + "/file.php?a=tellafriend&f=" + file_id, back_function, true, query);
}

// make file favourite
function make_favorite(file_id) {
	function back_function(server_r) {
		doc_id("make_favorite_img").src = siteurl + "/images/" + server_r.image + ".png";
	}
	makeHttpRequest(siteurl + "/file.php?a=make_favorite&f=" + file_id, back_function, true);
}

// submit new score comment
function edit_score_comment(score_id) {
	var comment = doc_id("edit_comment_" + score_id);
	data_s = "edit_comment=" + doc_id("score_comment").value;
	comment.innerHTML = loader;
	makeHttpRequest(siteurl + "/scores.php?a=edit_comment&s=" + score_id, function (server_r) {comment.innerHTML = server_r.comment;}, true, data_s);
}

// display file comments
function display_comments(file_id, comment_page) {
	doc_id("file_comments").innerHTML = "<br />" + loader; // loader
	makeHttpRequest(siteurl + "/file.php?f=" + file_id + "&a=comments&p=" + comment_page, function(response){ doc_id("file_comments").innerHTML = response; }, false);
}

// sumib comment into database
function submit_comment(file_id) {
	// needed variables
	var submit = doc_id("submit_comment");
	var error = doc_id("comment_error");
	var loader = doc_id("loader");

	submit.disabled = true; // disable submit button
	loader.style.display = ""; // show loader

	function back_function(server_r) {
		error.innerHTML = server_r.message;
		if (server_r.error == 0) {
			doc_id("comment_form").style.display = "none";
			doc_id("new_comment").style.display = "block";
			doc_id("new_comment").innerHTML = '<div style="font-weight:bold;">' + server_r.user + '</div>' + nl2br(server_r.comment);
		} else {
			submit.disabled = false;
			loader.style.display = "none";
		}
	}
	
	// data to be sent to server
	if (document.getElementById("verification_code")) {
		send_d = "message=" + doc_id("message").value + "&verification_code=" + doc_id("verification_code").value;
	} else {
		send_d = "message=" + doc_id("message").value;
	}

	makeHttpRequest(siteurl + "/file.php?a=submit_comment&f=" + file_id, back_function, true, send_d);
}

// report spam comment
function report_comment(comment_id) {
	if (confirm(sure_spam)) {
		doc_id("report_" + comment_id).style.display = "none";
		makeHttpRequest(siteurl + "/file.php?a=report_comment&c=" + comment_id, function(){}, false);
	}
}

// just don't do it
function stop_event(event) {
	if (!event)
		window.event.cancelBubble = true;
	else
		event.stopPropagation();
}