// ######################################################################



// ## flipMenu 5.0.0 (c) J. Reijers

// ## Last modifications: 23 March 2007



// ######################################################################



// ## Degree of indentation from the left.

	flipIndentation = "2px";



// ## Padding inbetween menu items.

	flipVerticalPadding = "2px";



// ## Margin between the left of the browser and the menu.

	flipLeftMargin = "0px";



// ## Margin between the top of the browser and the menu.

	flipTopMargin = "2px";



// ## Allow multiple menus to fold out without closing all the other open ones.

	flipOpenMultipleMenus = true;



// ## Preserve the current state of the menu (requires cookies).

	flipSaveMenuState = false;



// ## Use custom images for bullets

	flipImages = false;



// ## Images to use (specify full path)

	flipImg_open   = "../images/flip_open.gif";

	flipImg_closed = "../images/flip_closed.gif";

	flipImg_static = "../images/flip_static.gif";



// ## Initialise all flipMenus onload

	flipInitOnLoad = true;



// ## Message to display in status bar while loading

	flipLoadingMessage = "Loading...";



// ######################################################################



function alterSize(someSize, alterAmount) {

	someSize = String(someSize);

	var tmpNr = parseFloat(someSize.replace(/\D/g, ""));

	var tmpChar = someSize.replace(/\d/g, "");

	return isNaN(tmpNr) ? someSize : ((tmpNr + alterAmount) + tmpChar);

}



isIE = (String(navigator.appVersion).indexOf("MSIE") > -1);

if (!isIE) flipIndentation = alterSize(flipIndentation, -16);

if (!isIE) flipLeftMargin = alterSize(flipLeftMargin, -16);



document.write(

	"<style type=\"text/css\">" +



	"ul.flipMenu { margin-top: " + flipTopMargin + "; margin-left: " + flipLeftMargin + "; " + (flipImages ? "" : "list-style-type: none;") + " }" +

	"ul.flipMenu ul, ul.flipMenu li { padding-top: " + flipVerticalPadding + "; margin-left: " + flipIndentation + "; margin-right: 0px; " + (flipImages ? "" : "list-style-type: none;") + " }" +



	"li.flipFolderOpen { cursor: pointer; " + (flipImages ? "list-style-image: url(" + flipImg_open + ");" : "") + " }" +

	"li.flipFolderClosed { cursor: pointer; " + (flipImages ? "list-style-image: url(" + flipImg_closed + ");" : "") + " }" +



	"</style>"

);



if (flipImages) {

	aFlipPreloads = [];

	aFlipPreloads[0] = new Image;

	aFlipPreloads[0].src = flipImg_open;

	aFlipPreloads[1] = new Image;

	aFlipPreloads[1].src = flipImg_closed;

	aFlipPreloads[2] = new Image;

	aFlipPreloads[2].src = flipImg_static;

}



function addEvent(someObj, someEvent, someFunction) {

	if (someObj.addEventListener) { someObj.addEventListener(someEvent, someFunction, true); return true; } else if (someObj.attachEvent) return someObj.attachEvent("on" + someEvent, someFunction); else return false;

}



function openCloseFlip(theItem, newSetting, openParents) {

	if (theItem.flipID) {

		if (openParents) {

			var tmpItem = theItem;

			while (tmpItem.parentElement || tmpItem.parentNode) {

				tmpItem = (tmpItem.parentElement) ? tmpItem.parentElement : tmpItem.parentNode;

				openCloseFlip(tmpItem, newSetting);

			}

		}

		if ((theItem.className == "flipFolderOpen" && newSetting == "closed") || (theItem.className == "flipFolderClosed" && newSetting == "open")) {

			if (!theItem.childrenInitialised) {

				for (var j = 0; j < theItem.childNodes.length; j++) if (theItem.childNodes[j].nodeName == "UL" && !theItem.childNodes[j].initialised) initFlip(theItem.childNodes[j]);

				theItem.childrenInitialised = true;

			}

			theItem.getElementsByTagName("UL")[0].style.display = (newSetting == "open") ? "" : "none";

			theItem.className = newSetting == "open" ? "flipFolderOpen" : "flipFolderClosed";

		}

	}

}



function openFlip(theItem, openParents) {

	openCloseFlip(theItem, "open", openParents);

}



function closeFlip(theItem, closeParents) {

	openCloseFlip(theItem, "closed", closeParents);

}



function toggleFlip(theElement) {

	if (theElement.flipID) {

		var theItem = theElement;

		var isContained = true;

	} else {

		if (theElement && theElement.button > 0) return false;

		var theItem = (isIE) ? event.srcElement : theElement.target;



		var isContained = false;

		if (theItem.className == "flipFolderOpen" || theItem.className == "flipFolderClosed") isContained = true; else while (theItem.parentElement || theItem.parentNode) {

			if (theItem.className == "flipStatic" || theItem.className == "flipFolderOpen" || theItem.className == "flipFolderClosed") {

				isContained = (theItem.className == "flipFolderOpen" || theItem.className == "flipFolderClosed");

				break;

			}

			theItem = (theItem.parentElement) ? theItem.parentElement : theItem.parentNode;

		}

	}



	var toOpenFlip = (isContained && theItem.className == "flipFolderClosed");



	if (!flipOpenMultipleMenus && (toOpenFlip || theItem.className == "flipStatic")) {

		if (theItem.parentElement || theItem.parentNode) {

			var parentUL = (theItem.parentElement) ? theItem.parentElement : theItem.parentNode;

			for (var i = 0; i < parentUL.childNodes.length; i++) closeFlip(parentUL.childNodes[i]);

		}

	}



	if (isContained) {

		if (toOpenFlip) openFlip(theItem); else closeFlip(theItem);

	}

}



function setAllFlips(startElement, newSetting) {

	if (typeof startElement == "undefined") var startElement = document;

	if (typeof newSetting == "undefined") var newSetting = "closed";



	var aUL = startElement.getElementsByTagName("UL");

	for (var i = 0; i < aUL.length; i++) {

		var parentFlip = aUL[i].parentElement ? aUL[i].parentElement : aUL[i].parentNode;

		openCloseFlip(parentFlip, newSetting);

	}

}



function openAllFlips(startElement) {

	setAllFlips(startElement, "open");

}



function closeAllFlips(startElement) {

	setAllFlips(startElement, "closed");

}



function initFlip(startElement) {

	if (!document.createElement) return false;



	if (!startElement || !startElement.nodeName) {

		var aUL = document.getElementsByTagName("UL");

		for (var i = 0; i < aUL.length; i++) {

			if (flipLoadingMessage != "") window.status = flipLoadingMessage + " " + parseInt((i / (aUL.length - 1)) * 100, 10) + "%";

			var curUL = aUL[i];

			if (curUL.className == "flipMenu") {

				initFlip(curUL);



				// ## Fix text selecting problem in Mozilla

				curUL.onselectstart = new Function("return false");

				curUL.onmousedown = new Function("return false");

				curUL.onclick = new Function("return true");

			}

		}



		if (flipSaveMenuState) loadMenuState();



		if (flipLoadingMessage != "") window.status = "";

		return true;

	}



	if (startElement.className == "flipMenu") startElement.style.display = "";



	if (!startElement.childNodes || startElement.childNodes.length == 0) return false;



	if (typeof flipIDCur == "undefined") flipIDCur = 0;

	if (!startElement.initialised) {

		var aUL = startElement.getElementsByTagName("UL");

		for (var i = 0; i < aUL.length; i++) aUL[i].style.display = "none";

	}



	for (var i = 0; i < startElement.childNodes.length; i++) {

		var curNode = startElement.childNodes[i];

		if (curNode.nodeName == "LI") {

			flipIDCur++;

			curNode.flipID = flipIDCur;



			var nodeHasChildren = curNode.getElementsByTagName("UL").length > 0;

			if (nodeHasChildren) {

				if (flipImages && curNode.flipClosed) curNode.style.listStyleImage = "url(" + curNode.flipClosed + ")";



				if (curNode.className == null || curNode.className == "") curNode.className = "flipFolderClosed";

			} else {

				curNode.className = "flipStatic";

				if (flipImages && !curNode.style.listStyleImage) {

					if (!curNode.flipStatic) curNode.flipStatic = flipImg_static;

					curNode.style.listStyleImage = "url(" + curNode.flipStatic + ")";

				}

			}



			if (!curNode.flipOpen) curNode.flipOpen = flipImg_open;

			if (!curNode.flipClosed) curNode.flipClosed = flipImg_closed;



			if (curNode.flipIsOpen) openFlip(curNode);

		}

	}



	startElement.initialised = true;
	openAllFlips(startElement);

}



function rootOfFlip(flipID, startElement) {



	function containsFlip(startElement, flipID) {

		var flipFound = false;

		var i = 0;

		while (i < startElement.childNodes.length && !flipFound) {

			var curNode = startElement.childNodes[i];

			flipFound = (curNode.flipID == flipID) ? true : containsFlip(curNode, flipID);

			i++;

		}

		return flipFound;

	}



	var rootFlip = null;



	if (!startElement || !startElement.nodeName) {

		var aUL = document.getElementsByTagName("UL");

		var i = 0;

		while (rootFlip == null && i < aUL.length) {

			var curUL = aUL[i];

			if (curUL.nodeName == "UL" && curUL.className == "flipMenu") rootFlip = rootOfFlip(flipID, curUL);

			i++;

		}

		return rootFlip;

	}



	if (startElement.childNodes) for (var i = 0; i < startElement.childNodes.length; i++) {

		var curNode = startElement.childNodes[i];

		if (curNode.flipID == flipID || containsFlip(curNode, flipID)) rootFlip = curNode;

	}



	return rootFlip;

}



function getCookie(cookieName) {

	var allCookies = document.cookie;

	var indexStr = allCookies.indexOf(cookieName + "=");

	if (indexStr == -1) return "";

	indexStr = allCookies.indexOf("=", indexStr) + 1;

	var endStr = allCookies.indexOf(";", indexStr);

	if (endStr == -1) endStr = allCookies.length;

	return unescape(allCookies.substring(indexStr, endStr));

}



function inArray(someID, someArray) {

	for (var i = 0; i < someArray.length; i++) if (someArray[i] == someID) return true;

	return false;

}



function getMenuState(startElement) {

	if (!startElement.childNodes || startElement.childNodes.length == 0) return "";



	var openItems = "";

	var aUL = startElement.getElementsByTagName("UL");

	for (var i = 0; i < aUL.length; i++) {

		var curNode = aUL[i];

		var parentFlip = (curNode.parentElement) ? curNode.parentElement : curNode.parentNode;

		if (curNode.style.display == "" && parentFlip.flipID) openItems += " " + parentFlip.flipID;		
	}

	return openItems;

}



function putMenuState(startElement) {

	if (!startElement.childNodes || startElement.childNodes.length == 0) return false;



	var aUL = startElement.getElementsByTagName("UL");

	for (var i = 0; i < aUL.length; i++) {

		var curNode = aUL[i];

		var parentFlip = (curNode.parentElement) ? curNode.parentElement : curNode.parentNode;

		if (inArray(parentFlip.flipID, aOpenItems)) {

			openFlip(parentFlip);

			if (typeof prevFlipRoot == "undefined") {

				var testRoot = rootOfFlip(parentFlip.flipID);

				if (testRoot.flipID == parentFlip.flipID) prevFlipRoot = testRoot;

			}

		}

	}

}



function saveMenuState() {

	if (flipSaveMenuState) {

		var aUL = document.getElementsByTagName("UL");

		for (var i = 0; i < aUL.length; i++) {

			var curUL = aUL[i];

			var curID = curUL.id ? curUL.id : i;

			if (curUL.className == "flipMenu") document.cookie = cookiePrefix + curID + "=" + getMenuState(curUL) + ";";

		}

	}

}



function loadMenuState() {

	var aUL = document.getElementsByTagName("UL");

	for (var i = 0; i < aUL.length; i++) {

		var curUL = aUL[i];

		var curID = curUL.id ? curUL.id : i;

		if (curUL.className == "flipMenu") {

			var savedState = String(getCookie(cookiePrefix + curID));

			if (savedState != "") {

				aOpenItems = savedState.split(" ");

				putMenuState(curUL);

			}

		}

	}



	addEvent(window, "unload", saveMenuState);

}



function clearMenuState(flipMenuID) {

	if (typeof flipMenuID == "undefined") {

		var aUL = document.getElementsByTagName("UL");

		for (var i = 0; i < aUL.length; i++) {

			var curUL = aUL[i];

			var curID = curUL.id ? curUL.id : i;

			if (curUL.className == "flipMenu") document.cookie = cookiePrefix + curID + "=;";

		}

	} else document.cookie = cookiePrefix + flipMenuID + "=;";

}



cookiePrefix = document.location.pathname + "_";



addEvent(document, "click", toggleFlip);

if (flipInitOnLoad) addEvent(window, "load", initFlip);