//-------
// SAJAX
//-------
// remote scripting library
// (c) copyright 2005 modernmethod, inc
var sajax_debug_mode = false;
var sajax_request_type = "GET";
var sajax_target_id = "";
var sajax_failure_redirect = "";

function sajax_debug(text) {
	if (sajax_debug_mode)
		alert(text);
}

function sajax_init_object() {
	sajax_debug("sajax_init_object() called..")

	var A;

	var msxmlhttp = new Array(
		'Msxml2.XMLHTTP.5.0',
		'Msxml2.XMLHTTP.4.0',
		'Msxml2.XMLHTTP.3.0',
		'Msxml2.XMLHTTP',
		'Microsoft.XMLHTTP');
	for (var i = 0; i < msxmlhttp.length; i++) {
		try {
			A = new ActiveXObject(msxmlhttp[i]);
		} catch (e) {
			A = null;
		}
	}

	if(!A && typeof XMLHttpRequest != "undefined")
		A = new XMLHttpRequest();
	if (!A)
		sajax_debug("Could not create connection object.");
	return A;
}

var sajax_requests = new Array();

function sajax_cancel() {
	for (var i = 0; i < sajax_requests.length; i++)
		sajax_requests[i].abort();
}

function sajax_do_call(func_name, args) {
	var i, x, n;
	var uri;
	var post_data;
	var target_id;

	sajax_debug("in sajax_do_call().." + sajax_request_type + "/" + sajax_target_id);
	target_id = sajax_target_id;
	if (typeof(sajax_request_type) == "undefined" || sajax_request_type == "")
		sajax_request_type = "GET";

	uri = "/video/include/video/video.php";
	if (sajax_request_type == "GET") {

		if (uri.indexOf("?") == -1)
			uri += "?rs=" + escape(func_name);
		else
			uri += "&rs=" + escape(func_name);
		uri += "&rst=" + escape(sajax_target_id);
		uri += "&rsrnd=" + new Date().getTime();

		for (i = 0; i < args.length-1; i++)
			uri += "&rsargs[]=" + escape(args[i]);

		post_data = null;
	}
	else if (sajax_request_type == "POST") {
		post_data = "rs=" + escape(func_name);
		post_data += "&rst=" + escape(sajax_target_id);
		post_data += "&rsrnd=" + new Date().getTime();

		for (i = 0; i < args.length-1; i++)
			post_data = post_data + "&rsargs[]=" + escape(args[i]);
	}
	else {
		alert("Illegal request type: " + sajax_request_type);
	}

	x = sajax_init_object();
	if (x == null) {
		if (sajax_failure_redirect != "") {
			location.href = sajax_failure_redirect;
			return false;
		} else {
			sajax_debug("NULL sajax object for user agent:\n" + navigator.userAgent);
			return false;
		}
	} else {
		x.open(sajax_request_type, uri, true);
		// window.open(uri);

		sajax_requests[sajax_requests.length] = x;

		if (sajax_request_type == "POST") {
			x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
			x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		}

		x.onreadystatechange = function() {
			if (x.readyState != 4)
				return;

			sajax_debug("received " + x.responseText);

			var status;
			var data;
			var txt = x.responseText.replace(/^\s*|\s*$/g,"");
			status = txt.charAt(0);
			data = txt.substring(2);

			if (status == "") {
				// let's just assume this is a pre-response bailout and let it slide for now
			} else if (status == "-")
				alert("Error: " + data);
			else {
				if (target_id != "")
					document.getElementById(target_id).innerHTML = eval(data);
				else {
					try {
						var callback;
						var extra_data = false;
						if (typeof args[args.length-1] == "object") {
							callback = args[args.length-1].callback;
							extra_data = args[args.length-1].extra_data;
						} else {
							callback = args[args.length-1];
						}
						callback(eval(data), extra_data);
					} catch (e) {
						sajax_debug("Caught error " + e + ": Could not eval " + data );
					}
				}
			}
		}
	}

	sajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
	x.send(post_data);
	sajax_debug(func_name + " waiting..");
	delete x;
	return true;
}


// wrapper for playVideoPHP
function x_playVideoPHP() {
	sajax_do_call("playVideoPHP",
		x_playVideoPHP.arguments);
}


// video
function playVideo_cb(content) {
	document.getElementById('video').innerHTML = content;
}

function playVideo(video_url, video_type, video_width, video_height, type) {
	x_playVideoPHP(video_url, video_type, video_width, video_height, playVideo_cb);
}

function play() {
	;
}


//------------------
// Plugin Detection
//------------------
function getUserAgent() {
	var user_agent = 'unknown';

	if ( navigator.userAgent.indexOf('MSIE') != -1 )
		user_agent = 'MSIE';
	else if ( navigator.userAgent.indexOf('Opera') != -1 )
		user_agent = 'Opera';
	else if ( navigator.userAgent.indexOf('Netscape') != -1 )
		user_agent = 'Netscape';
	else if ( navigator.userAgent.indexOf('Safari') != -1 )
		user_agent = 'Safari';
	else if ( navigator.userAgent.indexOf('Firefox') != -1 )
		user_agent = 'Firefox';

	return user_agent;
}

function getOperatingSystem() {
	var os = 'unknown';

	if ( navigator.userAgent.indexOf('Windows') != -1 )
		os = 'Windows';
	else if ( navigator.userAgent.indexOf('Mac') != -1 )
		os = 'Mac';
	else if ( navigator.userAgent.indexOf('Solaris') != -1 )
		os = 'Solaris';
	else if ( navigator.userAgent.indexOf('Sun') != -1 )
		os = 'Sun';
	else if ( navigator.userAgent.indexOf('Linux') != -1 )
	{
		os = 'Linux';

		// be more specific
		if ( navigator.userAgent.indexOf('Mandriva') != -1 )
			os = 'Mandriva' +  ' ' + os;
		else if ( navigator.userAgent.indexOf('Fedora') != -1 )
			os = 'Fedora' +  ' ' + os;
		else if ( navigator.userAgent.indexOf('Ubuntu') != -1 )
			os = 'Ubuntu' +  ' ' + os;
		else if (navigator.userAgent.indexOf('SUSE') != -1 )
			os = 'SUSE' +  ' ' + os;
		else if (navigator.userAgent.indexOf('Gentoo') != -1 )
			os = 'Gentoo' +  ' ' + os;
	}

	return os;
}

function getPlugins() {
	var s = ''

	var browser = getUserAgent();

	if ( browser == 'MSIE' )
	{
		s += 'Windows Media Player';
	}
	else
	{
		N = navigator.plugins.length;

		for ( i = 0; i < N; i++ )
		{
			if ( i > 0 ) s += ',';

			s += navigator.plugins[i].name;
		}
	}

	return s;
}

function detectWindowsMedia() {
	return ( getPlugins().indexOf('Windows Media Player') != -1 ) ? true : false;
}

function detectQuicktime() {
	return ( getPlugins().indexOf('QuickTime') != -1 ) ? true : false;
}

function detectFlash() {
	return ( getPlugins().indexOf('Flash') != -1 ) ? true : false;
}

function detectRealPlayer() {
	return ( getPlugins().indexOf('RealPlayer') != -1 ) ? true : false;
}

function detectAcrobat() {
	return ( getPlugins().indexOf('Adobe Acrobat') != -1 ) ? true : false;
}

function detectDivX() {
	return ( getPlugins().indexOf('DivX') != -1 ) ? true : false;
}