// Constants
var WIDGET_WIDTH = 660;
var CHAT_WIDTH_MIN = 290;
var CHAT_WIDTH_MAX = 310;
var WIDGET_PADDING = 10;
var HEADER_HEIGHT = 60;
var HEADER_HEIGHT_MINI = 40;
var FLASH_HEIGHT = 490;

// Variables
var swFullScreen = false;
var newspaperMode = false;
var widgetMode = false;
var iFrameMode = false;
var showWidgetChat = false;
var widgetFrameParameters = {};
var musicFrameParameters = {};
var widgetBackgroundMaxWidth = 0;

// Window Event methods
// --------------------------------------------

function windowOpen() {
	// exit fullscreen mode in certain cases
	url = window.location.href;
	if (isInEmbedMode() || (url.indexOf("/home") == -1 && url.indexOf("/space") == -1)) {
		//exitFullscreen();
	} else {
		//enterFullscreen();
	}

	// backwards compatibility with old-style urls
	var url = window.location.href;
	if(url.indexOf("#/home") >= 0) {
		var oldStyle = url.substr(url.lastIndexOf("#/home") + 1);
		window.location = "http://www.smallworlds.com" + oldStyle;
	}
	if(url.indexOf("#/space") >= 0) {
		var oldStyle = url.substr(url.lastIndexOf("#/space") + 1);
		window.location = "http://www.smallworlds.com" + oldStyle;
	}
}

function windowClose() {
	var flashObject = document.getElementById("Main");
	if (flashObject && flashObject.windowClose) {
		flashObject.windowClose();
	}
}

function windowResize() {
	if (swFullScreen && !isInEmbedMode() && !newspaperMode) enterFullscreen();	// keep full swf side
	else if (widgetMode) {
		showHideWidgetChat();
		if (iFrameMode) {
			resizeIFrame();
			resizeMusicIFrame();
			resizeHeaderHeight();
		}
	} else if (newspaperMode) {
		resizeHeaderHeight();
	}
}

function removeFlashBorders() {
	var theObjects = document.getElementsByTagName("object");
	for (var i = 0; i < theObjects.length; i++)
		{ theObjects[i].outerHTML = theObjects[i].outerHTML; }
}

// Sizing methods
// --------------------------------------------

/** Switch header height depending on window size. **/
function resizeHeaderHeight() {
	// only shrink header when smallworlds is embedded
	if ("" != "true")
		return;

	// in-world header id is different from index page header id
	if (iFrameMode) {
		var headerContent = document.getElementById("widgetheadercontent");
		var widgetContent = document.getElementById("widgetcontent");
	} else if (newspaperMode) {
		var headerContent = document.getElementById("widgetheadercontent");
		var closeButton = document.getElementById("closebutton");
	} else
		var headerContent = document.getElementById("headercontent");
		
	if (headerContent == null)
		return;
		
	// shrink if viewing window is less than 660 pixels
	if (document.documentElement.clientHeight < 660) {
		headerContent.style.height = HEADER_HEIGHT_MINI + "px";
		if (widgetContent != null)
			widgetContent.style.top = "40px";
		if (closeButton != null)
			closeButton.style.top = "50px";
	} else {
		headerContent.style.height = HEADER_HEIGHT + "px";
		if (widgetContent != null)
			widgetContent.style.top = "60px";
		if (closeButton != null)
			closeButton.style.top = "70px";
	}
}

/** Switch client into fullscreen mode. **/
function enterFullscreen() {
	// if client is embedded, pop out to fullscreen instead
	if (isInEmbedMode())
		return;
		
	// adjust site layout
	var firefoxBar = document.getElementById("firefoxbar");
	var bottomContent = document.getElementById("bottomcontent");
	var pageHeight = document.body.clientHeight;

	if (firefoxBar == null || bottomContent == null) return;
	
	// enable bottom gap in FireFox (fix for tab bar website height issue)
	var firefoxFix = usingFirefox() && !isInEmbedMode();
	if (firefoxFix) firefoxBar.style.display = "block";
	else firefoxBar.style.display = "none";
	
	// only disable the webcontent if smallworlds is standalone (ie. not embedded)
	if (!isInEmbedMode()) bottomContent.style.display = "none";		

	// size the client
	if (firefoxFix && pageHeight > FLASH_HEIGHT + HEADER_HEIGHT) {
		newSwfHeight = (pageHeight - 25) + "px";
		newDivHeight = (pageHeight - 25) + "px";
	} else if (pageHeight <= FLASH_HEIGHT + HEADER_HEIGHT) {
		newSwfHeight = FLASH_HEIGHT + HEADER_HEIGHT + "px";
		newDivHeight = "100%";
	} else {
		newSwfHeight = "100%";
		newDivHeight = "100%";
	}
	// set a timeout on the resize, Chrome doesn't like changing dimentions right away
	setTimeout("resizeClient('"+newSwfHeight+"', '"+newDivHeight+"')", 100);
	
	swFullScreen = true;
}

/** Embed mode functionality for fullscreen mode (pop out to new window). **/
function enterFullscreenEmbedMode() {
	if (!isInEmbedMode())
		return;
		
	// pop out to new window removing embed-related querystrings
	var url = window.location.href.toString();
	url = url.replace(/webcontent=false/ig, "");
	url = url.replace(/embed=true/ig, "");
	openURL(url, "_blank");
}

/** Switch client out of fullscreen mode (filling the remaining space with bottomcontent). **/
function exitFullscreen() {
	// adjust site layout
	var firefoxBar = document.getElementById("firefoxbar");
	var bottomContent = document.getElementById("bottomcontent");
	
	// size to preset non-fullscreen height
	newHeight = FLASH_HEIGHT + HEADER_HEIGHT + "px";
	// set a timeout on the resize, Chrome doesn't like changing dimentions right away
	setTimeout("resizeClient('"+newHeight+"', '"+newHeight+"')", 100);
	if (firefoxBar != null) firefoxBar.style.display = "none";
	
	// enable bottom web content if allowed
	if (!disableBottomContent() && bottomContent != null) 
		bottomContent.style.display = "block";
	
	swFullScreen = false;
}

/** Specialised method to resize the client (called by timeouts). **/
function resizeClient(newSwfHeight, newDivHeight) {
	var main = document.getElementById("Main");
	var swContent = document.getElementById("swcontent");
	
	if (main == null || swContent == null) return;

	main.style.height = newSwfHeight;
	swContent.style.height = newDivHeight;
}

// Login methods
// --------------------------------------------

/** Login from Header SWF. **/
function flashLogin(destination) {
	showFlash("loggedIn", true, destination);
}

/** Redirect to destination after login. **/
function showFlash(newLoadState, tellFlash, destination) {
	// check for destination
	if (destination == "")
		destination = "home/rajeshpatkar/";

	// redirect there or to index
	if (tellFlash) {
		if (destination)
			window.location = appendQuerystrings("http://www.smallworlds.com" + "/" + destination ), "_self";
		else
			window.location = appendQuerystrings("http://www.smallworlds.com" ), "_self";
	}
}

// Logout methods
// --------------------------------------------

/** Logout from Header SWF. **/
function logoutLinkClick(destination) {
	showLogin(destination);
}

/** Logout via session expiry in client. **/
function sessionExpired(destination) {
	if(window.location.href.indexOf(destination) == -1) {
		showLogin(destination);
	}
}

/** Redirect to destination after logout. **/
function showLogin(destination) {
	// preserve necessary querystrings
	var newLocation = appendQuerystrings( 'http://www.smallworlds.com/' + destination );

	// redirect to destination
	window.location = newLocation, '_self';
}

// In-world content swap methods
// --------------------------------------------

/** Switch to in-world newspaper. **/
function enterNewspaper() {
	enterContent("");
}

/** Switch to in-world payment system. **/
function enterPayment(params) {
	enterContent("http://www.smallworlds.com/payment/package-list.html" + params);
}

/** Switch to in-world payment system. **/
function enterPaymentURL(url) {
	enterContent(url);
}

/** Switch to in-world content. **/
function enterContent(url) {
	var main = document.getElementById('Main');
	var widgetHeaderContent = document.getElementById("widgetheadercontent");
	var swContent = document.getElementById('swcontent');
	var inWorldNewspaper = document.getElementById('inworldnewspaper');
	var newspaperFrame = document.getElementById('newspaperframe');
	var IFrameConnector = document.getElementById('IFrameConnector');
	var firefoxBar = document.getElementById('firefoxbar');
	var bottomContent = document.getElementById('bottomcontent');

	// hide client and show header-only view
	main.style.height = "0px";
	swContent.style.height = "0px";
	swContent.style.minHeight = "0px";
	widgetHeaderContent.style.display = "block";
	setTimeout("showHeader()", 100); // set a timeout on the show, Chrome doesn't like creating swfs right away
	setTimeout("enterRestrictedWidth()", 500);

	// show content iframe
	newspaperFrame.src = url;
	inWorldNewspaper.style.display = 'block';

	// hide things we don't want
	if (firefoxBar != null) firefoxBar.style.display = 'none';
	if (bottomContent != null) bottomContent.style.display = 'none';
	
	// now in in-world content mode
	newspaperMode = true;
}

/** Switch header into restricted width mode. **/
function enterRestrictedWidth() {
	var base = document.getElementById('Base');
	base.enterRestrictedWidth()
}

/** Switch from in-world content back to in-world. **/
var inworldAvatarChanged = false;
function exitNewspaper() {
	if (inworldAvatarChanged) {
		// avatar was changed in newspaper content, display reload confirmation
		openLightbox();
	} else {
		var widgetHeaderContent = document.getElementById("widgetheadercontent");
		var inWorldNewspaper = document.getElementById('inworldnewspaper');
		var newspaperFrame = document.getElementById('newspaperframe');
		var IFrameConnector = document.getElementById('IFrameConnector');
		
		// hide in-world content
		newspaperFrame.src = "";
		inWorldNewspaper.style.display = 'none';
		
		// hide single header
		widgetHeaderContent.style.display = 'none';
		widgetHeaderContent.innerHTML = '<div id=\"widgetheaderswf\"></div>';

		// resize client according to fullscreen preference
		if (swFullScreen) enterFullscreen();
		else exitFullscreen();
		
		// left in-world content mode
		newspaperMode = false;	
	}
}


function closePaymentPages()
{
	// If we are in-world mode close iframe
	if(newspaperMode)
		exitNewspaper();
	else
		window.location = appendQuerystrings("http://www.smallworlds.com" ), "_self";
}

/** Event callback from newspaper avatar selector to inform on avatar change. **/
function onAvatarSelect(avatarId, avatarName, petId, petActive, isInitialAvatar) {
	try {
		if (window.parent.newspaperMode) {
			window.parent.inworldAvatarChanged = !isInitialAvatar;
		}
	} catch (e) {
		// catch possible permission error, which means out-of-world newspaper embedded
		// don't need to do anything
	}
}

/** Event callback from newspaper avatar selector to inform on avatar change. 
 * 			True if the avatar has changed
 * 			False if the user has switched back to their original selection
**/
function selectedAvatarChanged(value) {
	if (newspaperMode)
		inworldAvatarChanged = value;
}

// Lightbox methods
// --------------------------------------------

/** Open confirmation box if avatar changed in in-world newspaper. **/
function openLightbox() {
	var lb_background = document.getElementById('lb_background');
	var lb_window = document.getElementById('lb_window');

	// show lightbox
	lb_background.style.display = 'block';
	lb_window.style.display = 'block';
	lb_window.style.left = (document.body.clientWidth / 2) - (lb_window.clientWidth / 2) + 'px';
}

/** Handle decision from user on confirmation box. **/
function closeLightbox(result) {
	var lb_background = document.getElementById('lb_background');
	var lb_window = document.getElementById('lb_window');

	// remove lightbox
	lb_background.style.display = 'none';
	lb_window.style.display = 'none';

	// reload page if clicked yes
	if (result) window.location.reload();
}

/** Open warning box if cookies are disabled in a user's browser. **/
function openCookieLightbox() {
	var lb_window = document.getElementById('lb_window_cookies');

	// show lightbox
	lb_window.style.display = 'block';
	lb_window.style.left = (document.body.clientWidth / 2) - (lb_window.clientWidth / 2) + 'px';
}

/** Handle decision from user on cookie warning box. **/
function closeCookieLightbox() {
	var lb_window = document.getElementById('lb_window_cookies');

	// remove lightbox
	lb_window.style.display = 'none';
}

// Bottom Content methods
// --------------------------------------------

/** Change content in bottomcontent area according to parameters specified. 
 *  Changes via recreating the iframe element to avoid Firefox navigation problems.
**/
function updateBottomContent(layout, area, state) {
	var wrapper = document.getElementById('wrapper');
	var bottomContentIFrame = document.getElementById('bottomcontentiframe');
	
	if (wrapper != null && bottomContentIFrame != null)
		wrapper.removeChild(bottomContentIFrame);
			   
	var newBottomContentIFrame = document.createElement("iframe");
	newBottomContentIFrame.id = "bottomcontentiframe";
	newBottomContentIFrame.width = "100%";
	newBottomContentIFrame.height = "250";
	newBottomContentIFrame.setAttribute("frameborder", "0");
	newBottomContentIFrame.setAttribute("marginheight", "0");
	newBottomContentIFrame.setAttribute("marginwidth", "0");
	newBottomContentIFrame.scrolling = "no";
	wrapper.appendChild(newBottomContentIFrame);
	
	newBottomContentIFrame.src = "http://www.smallworlds.com/bottomcontent/bottomcontent_" + layout + ".php?area=" + area + "&state=" + state;
}

// Widget mode methods
// --------------------------------------------

/* Open widget mode (with valid url for iframe if desired). */
function openWidget(url, parameters) {
	// entered widget mode
	widgetMode = true;
	
	// check if we need to display chat underneath widget
	showHideWidgetChat();
	
	// if url is set, open iframe with that destination
	if (url != null)
		openIFrame(url, parameters);
}

/* Open special iframe widget mode for iMeem music player. */
function openMusicWidget(url, parameters) {
	// entered widget mode
	widgetMode = true;
	
	// check if we need to display chat underneath widget
	showHideWidgetChat();
	
	// if url is set, open iframe with that destination
	if (url != null)
		openMusicIFrame(url, parameters);
}

function openIFrame(url, parameters) {
	if (!widgetMode || url == null) return;

	var widgetHeaderContent = document.getElementById("widgetheadercontent");
	var widgetContent = document.getElementById("widgetcontent");
	var widgetFrame = document.getElementById("widgetframe");

	// apply the parameters as the styles of the iframe
	if (parameters != null) {
		widgetFrameParameters = parameters;
		for (var key in widgetFrameParameters) {
			try {
				widgetFrame.style[key] = parameters[key];
			} catch(error) { }
		}
	}
	
	// set the layout to show the widget iframe
	widgetHeaderContent.style.display = "block";
	setTimeout("showHeader()", 100); // set a timeout on the show, Chrome doesn't like creating swfs right away
	setTimeout("resizeIFrame()", 100);	// set timeouts on resizing as well, Opera has timing issues due to the above timeout
	setTimeout("resizeHeaderHeight()", 100);
	widgetContent.style.display = "block";
	widgetFrame.src = url;
	
	// entered iframe mode
	iFrameMode = true;
}

function openMusicIFrame(url, parameters) {
	if (!widgetMode || url == null) return;
	
	var widgetHeaderContent = document.getElementById('widgetheadercontent');
	var musicContent = document.getElementById('musiccontent');
	var musicFrame = document.getElementById('musicframe');
	
	// apply the parameters as the styles of the game iframe
	if (parameters != null) {
		musicFrameParameters = parameters;
		for (var key in musicFrameParameters) {
			try {
				musicFrame.style[key] = parameters[key];
			} catch(error) { }
		}
	}

	// set the layout to show the music iframe
	widgetHeaderContent.style.display = 'block';
	setTimeout("showHeader()", 100); // set a timeout on the show, Chrome doesn't like creating swfs right away
	setTimeout("resizeMusicIFrame()", 100);	// set timeouts on resizing as well, Opera has timing issues due to the above timeout
	musicContent.style.display = 'block';
	musicContent.style.visibility = 'visible';
	musicFrame.style.visibility = 'visible';
	musicContent.style.left = '0px';
	musicContent.style.width = '660px';
	musicContent.style.height = '490px';
	musicFrame.style.width = '660px';
	musicFrame.style.height = '490px';	

	// entered iframe mode
	iFrameMode = true;
}

function resizeIFrame() {
	if (!widgetMode) return;
	
	var swContent = document.getElementById("swcontent");
	var main = document.getElementById("Main");
	var widgetContent = document.getElementById("widgetcontent");
	var leftTexture = document.getElementById("lefttexture");   

	// size and position things correctly
	swContent.style.height = FLASH_HEIGHT + "px";
	main.style.height = FLASH_HEIGHT + "px";
	if (showWidgetChat) {
		var paddingWidth = Math.floor((swContent.clientWidth - WIDGET_WIDTH) / 2);
		main.style.width = Math.max(0, paddingWidth) + 'px';
		var widgetContentWidth = swContent.clientWidth - paddingWidth;
		widgetContent.style.width = Math.max(0, widgetContentWidth) + 'px';
		leftTexture.style.width = Math.max(0, Math.min(widgetContentWidth - WIDGET_WIDTH, widgetBackgroundMaxWidth)) + 'px';
	} else {
		var paddingTotal = swContent.clientWidth - (WIDGET_WIDTH + CHAT_WIDTH_MIN + WIDGET_PADDING);
		var mainWidth = Math.min(paddingTotal + CHAT_WIDTH_MIN, CHAT_WIDTH_MAX);
		var paddingRemaining = paddingTotal + CHAT_WIDTH_MIN - mainWidth;
		mainWidth = Math.floor(mainWidth + paddingRemaining / 2);
		main.style.width = mainWidth + 'px';
		var widgetContentWidth = swContent.clientWidth - mainWidth;
		widgetContent.style.width = widgetContentWidth + 'px';
		leftTexture.style.width = Math.min(widgetContentWidth - WIDGET_WIDTH, widgetBackgroundMaxWidth) + 'px';
	}
}

function resizeMusicIFrame() {
	if (!widgetMode) return;
	
	var swContent = document.getElementById("swcontent");
	var main = document.getElementById("Main");
	var musicContent = document.getElementById("musiccontent");
	var leftMusicTexture = document.getElementById("leftmusictexture");   

	// size and position things correctly
	swContent.style.height = FLASH_HEIGHT + "px";
	main.style.height = FLASH_HEIGHT + "px";
	if (showWidgetChat) {
		var paddingWidth = Math.floor((swContent.clientWidth - WIDGET_WIDTH) / 2);
		main.style.width = Math.max(0, paddingWidth) + 'px';
		var musicContentWidth = swContent.clientWidth - paddingWidth;
		musicContent.style.width = Math.max(0, musicContentWidth) + 'px';
		leftMusicTexture.style.width = Math.max(0, Math.min(musicContentWidth - WIDGET_WIDTH, widgetBackgroundMaxWidth)) + 'px';
	} else {
		var paddingTotal = swContent.clientWidth - (WIDGET_WIDTH + CHAT_WIDTH_MIN + WIDGET_PADDING);
		var mainWidth = Math.min(paddingTotal + CHAT_WIDTH_MIN, CHAT_WIDTH_MAX);
		var paddingRemaining = paddingTotal + CHAT_WIDTH_MIN - mainWidth;
		mainWidth = Math.floor(mainWidth + paddingRemaining / 2);
		main.style.width = mainWidth + 'px';
		var musicContentWidth = swContent.clientWidth - mainWidth;
		musicContent.style.width = musicContentWidth + 'px';
		leftMusicTexture.style.width = Math.min(musicContentWidth - WIDGET_WIDTH, widgetBackgroundMaxWidth) + 'px';
	}
}

/* Close the widget mode. */
function closeWidget() {
	// resize client according to fullscreen preference
	if (swFullScreen) enterFullscreen();
	else exitFullscreen();
	
	// hide widget chat mode if necessary
	hideWidgetChat();
	
	// close the iframe too if necessary
	closeIFrame();
	
	// left widget mode
	widgetMode = false;    
}

/* Close the widget iframe, remaining in widget mode. */
function closeIFrame(optionalParameters) {
	if (!widgetMode || !iFrameMode) return;
	
	var widgetHeaderContent = document.getElementById('widgetheadercontent');
	var swContent = document.getElementById("swcontent");
	var main = document.getElementById('Main');
	var widgetContent = document.getElementById('widgetcontent');
	var widgetFrame = document.getElementById('widgetframe');
	var musicContent = document.getElementById('musiccontent');
	var musicFrame = document.getElementById('musicframe');    

	// remove the parameters as the styles of the iframe
	if (widgetFrameParameters != null) {
		for (var key in widgetFrameParameters) {
			try {
				widgetFrame.style[key] = '';
			} catch(error) { }
		}
	}
	
	// set the layout to hide the widget iframes
	widgetHeaderContent.style.display = 'none';
	widgetHeaderContent.innerHTML = '<div id=\"widgetheaderswf\"></div>';
	widgetContent.style.display = 'none';
	musicContent.style.visibility = 'hidden';
	musicFrame.style.visibility = 'hidden';
	musicContent.style.left = '-50000px';
	musicContent.style.width = '1px';
	musicContent.style.height = '0px';
	musicFrame.style.width = '1px';
	musicFrame.style.height = '0px';
	
	// resize and notify client
	main.style.width = '100%';
	main.style.height = FLASH_HEIGHT + HEADER_HEIGHT + "px";
	swContent.style.height = FLASH_HEIGHT + HEADER_HEIGHT + "px";
	main.iframeClose(optionalParameters);

	// Unload the url
	widgetFrame.src = null;
	
	// left iframe mode
	iFrameMode = false;
}

function showHideWidgetChat() {
	if (!widgetMode) return;

	var main = document.getElementById("Main");
	var swContent = document.getElementById("swcontent");
	var squeakBox = document.getElementById("squeakbox");

	// whether or not the squeak box should be shown
	var smallWidth = swContent.clientWidth < WIDGET_WIDTH + CHAT_WIDTH_MIN + WIDGET_PADDING;

	// update the showing/hidden state of the squeak box
	if (smallWidth != showWidgetChat) {
		showWidgetChat = smallWidth;
		if (showWidgetChat) {
			squeakBox.style.display = "block";
			setTimeout("openSqueakbox()", 500); // set a timeout on the show, Chrome doesn't like creating swfs right away
			main.squeakBoxShow();
		} else {
			squeakBox.innerHTML = "<div id=\"squeakboxswf\"></div>";
			squeakBox.style.display = "none";
			main.squeakBoxHide();
		}
	}
}

function hideWidgetChat() {
	var main = document.getElementById("Main");
	var swContent = document.getElementById("swcontent");
	var squeakBox = document.getElementById("squeakbox");

	squeakBox.innerHTML = "<div id=\"squeakboxswf\"></div>";
	squeakBox.style.display = "none";
	main.squeakBoxHide();
	
	showWidgetChat = false;
}

/* [flex] Set the background texture of the html content */
function setWidgetBackground(texture, width) {
	document.getElementById('lefttexture').style.background = 'url('+texture+') repeat';
	document.getElementById('leftmusictexture').style.background = 'url('+texture+') repeat';
	widgetBackgroundMaxWidth = width;
	//layoutWidgetMode();
}

/* Set the background texture width of the html content */
function setWidgetBackgroundWidth(width) {
	widgetBackgroundMaxWidth = width;
	//layoutWidgetMode();
}

/* Minimise the squeak box view. */
function minimiseSqueakBox() {
	var squeakBox = document.getElementById('squeakbox');
	squeakBox.style.height = '70px';
}

/* Maximise the squeak box view. */
function maximiseSqueakBox() {
	var squeakBox = document.getElementById('squeakbox');
	squeakBox.style.height = '300px';
}

// Navigation methods
// --------------------------------------------

function getClientAddress() {
	var url = window.location.href;
	var rootUrl = url.match('http://www.smallworlds.com') + '';
	var address = url.slice(rootUrl.length);
	if (address.indexOf('?') > -1) {
		address = address.slice(0, address.indexOf('?'));	// strip away ?debug=true for developers
	}

	if (address.indexOf('/home') == 0)
		return address;
	else if (address.indexOf('/space') == 0)
		return address;
	else if (address.indexOf('/settings') == 0)
		return address;
	else if (address.indexOf('/community') == 0)
		return address;
	else if (address.indexOf('/worlds') == 0)
		return address;
	else
		return null;
}

function setClientAddress(address) {
	var newLocation = appendQuerystrings('http://www.smallworlds.com' + address);
	window.location.href = newLocation, '_self';
}

function setHeaderAddress(address, newWindow) {
	// preserve necessary querystrings
	var newLocation = appendQuerystrings(address);

	if (newWindow == true) {
		// try opening a new window, else same
		if (!openURL(newLocation, '_blank')) {
			window.location.href = newLocation, '_self';
		}
	} else {
		window.location.href = newLocation, '_self';
	}
}

function setGlobalAddress(address) {
	// preserve necessary querystrings
	window.location.href = appendQuerystrings(address), '_self';
}

function flashRedirect(address, target) {
	// redirect to location preserving querystrings
	if (target == "_parent")
		window.parent.location.href = appendQuerystrings(address);
	else
		window.location.href = appendQuerystrings(address), target;
}

function setFirstTimeAddress(address) {
	// preserve necessary querystrings
	window.parent.location = appendQuerystrings(address);
}

function preserveQuerystrings() {
	return '';
}

function appendQuerystrings(url) {
	if (preserveQuerystrings() == "")
		return url;

	if( url.indexOf('?') < 0 ) {
		return url + '?' + preserveQuerystrings();
	} else {
		return url + '&' + preserveQuerystrings();
	}
}

function setPageTitle(t) {
	if (!t || t == '')
		document.title = 'SmallWorlds';
	else
		document.title = 'SmallWorlds: ' + t;
}

function browserBack() {
	history.go(-1);
}

function openURL(url, target)
{
	try {
		var popup = window.open(url, target);
		if (popup == null)
			return false;

		if (window.opera)
			if (!popup.opera)
				return false;
	}
	catch(err) {
		return false;
	}

	return true;
}

function unloadSWF()
{
	closeWidget();

	var flashDiv = document.getElementById('swcontent');
		if (flashDiv)
			flashDiv.innerHTML = '<div align=\"center\" style=\"padding-top:200px;\"><h3>SmallWorlds has loaded in another view.</h3><br/><input type=\"button\" value=\"Return to this view\" onClick=\"window.location.reload()\">';
}


 // Tracking methods
 // --------------------------------------------

function pingGoogleAnalytics(address) {
	if( 'true' == 'true' && pageTracker )
		pageTracker._trackPageview(address);
}

// Preloading methods
// --------------------------------------------

function setClientLoadPercent(percent) {
	var flashObject = document.getElementById('Base');
	if ( flashObject ) {
		flashObject.setClientLoadPercent(percent);
	}
}

function setClientLoaded() {
	var flashObject = document.getElementById('Base');
	if ( flashObject ) {
		flashObject.setClientLoaded();
	}
}

// Plaxo methods
// --------------------------------------------

function retrievePlaxoContacts() {
	return showPlaxoABChooser('smallworlds/common/plaxo/plaxo_cb.html');
}

function onABCommComplete(data) {
	getMovie('Main').returnPlaxoContacts(data);
}

function getMovie(movieName) {
	if (navigator.appName.indexOf('Microsoft') != -1) {
		return window[movieName];
	} else if (document[movieName].length != undefined) {
		return document[movieName][1];
	} else {
		return document[movieName];
	}
}

// Conditional methods
// ---------------------------------------------

function cookiesEnabled() {
	document.cookie = "test=success";
	
	var enabled = false;
	
	var cookies = document.cookie.split(";");
	for (i = 0; i < cookies.length; i++) {
		var cookie = cookies[i].split("=");
		var name = cookie[0].replace(/^\s+|\s+$/g, "");	// trim whitespace
		
		if (name == "test") {
			var value = cookie[1];
			
			if (value == "success") {
				enabled = true;
			}
		}
	}
	
	return enabled;
}

function disableBottomContent() {
	return ('' == 'false');
}

function isInEmbedMode() {
	return ('' == 'true');
}

function usingFirefox() {
	return (navigator.userAgent.indexOf('Firefox') > 0);
}

// Stereo Iframes
// ---------------------------------------------

//Used to populate the music iframe with content and hacks for browsers to start playing the tracks if needed
function setMusicSource(musicUrl) {
	var musicContent = document.getElementById('musiccontent');
	var musicFrame = document.getElementById('musicframe');


	if( !iFrameMode ){
		// Hack to automatically load track for some browsers. If not the player would not play until visible on screen
		musicContent.style.display = 'block';
		musicContent.style.visibility = 'visible';
		musicFrame.style.visibility = 'visible';

		// Hide the player when in world
		musicContent.style.left = '-50000px';
		musicContent.style.width = '1px';
		musicContent.style.height = '0px';

		musicFrame.style.width = '1px';
		musicFrame.style.height = '0px';
	}

	musicFrame.src = musicUrl;


}