// Morten's JavaScript Tree Menu
// version 2.3.2-macfriendly, dated 2002-06-10
// http://www.treemenu.org/

// Copyright (c) 2001-2002, Morten Wang & contributors
// All rights reserved.

// This software is released under the BSD License which should accompany
// it in the file "COPYING".  If you do not have this file you can access
// the license through the WWW at http://www.treemenu.com/license.txt

/******************************************************************************
* Define the MenuItem object.                                                 *
******************************************************************************/
function MTMenuItem(text, url, target, tooltip, icon, openIcon) {
	this.text = text;
	this.url = url ? url : "";
	this.target =  target ? target : (MTMDefaultTarget ? MTMDefaultTarget : "");
	this.tooltip = tooltip;
	this.icon = icon ? icon : "";
	this.openIcon = openIcon ? openIcon : ""; // used for addSubItem

	this.number = MTMNumber++;

	this.parentNode  = null;
	this.submenu     = null;
	this.expanded    = false;
	this.MTMakeSubmenu = MTMakeSubmenu;
	this.makeSubmenu = MTMakeSubmenu;
	this.addSubItem = MTMAddSubItem;
	MTMLastItem = this;
}

function MTMakeSubmenu(menu, isExpanded, collapseIcon, expandIcon) {
	this.submenu = menu;
	this.expanded = isExpanded;
	this.collapseIcon = collapseIcon ? collapseIcon : "menu_folder_closed.gif";
	this.expandIcon = expandIcon ? expandIcon : "menu_folder_open.gif";

	var i;
	for(i = 0; i < this.submenu.items.length; i++) {
		this.submenu.items[i].parentNode = this;
		if(this.submenu.items[i].expanded) {
			this.expanded = true;
		}
	}
}

function MTMakeLastSubmenu(menu, isExpanded, collapseIcon, expandIcon) {
	this.items[this.items.length-1].makeSubmenu(menu, isExpanded, collapseIcon, expandIcon);
}

function MTMAddSubItem(item) {
	if(this.submenu == null){
		this.MTMakeSubmenu(new MTMenu(), false, this.icon, this.openIcon);
	}
	this.submenu.MTMAddItem(item);
}

/******************************************************************************
* Define the Menu object.                                                     *
******************************************************************************/

function MTMenu() {
	this.items   = new Array();
	this.MTMAddItem = MTMAddItem;
	this.addItem = MTMAddItem;
	this.makeLastSubmenu = MTMakeLastSubmenu;
}

function MTMAddItem() {
	if(arguments[0].toString().indexOf("[object Object]") != -1) {
		this.items[this.items.length] = arguments[0];
	} else {
		this.items[this.items.length] = new MTMenuItem(arguments[0], arguments[1], arguments[2], arguments[3], arguments[4]);
	}
}

/******************************************************************************
* Define the icon list, addIcon function and MTMIcon item.                    *
******************************************************************************/

function IconList() {
	this.items = new Array();
	this.addIcon = addIcon;
}

function addIcon(item) {
	this.items[this.items.length] = item;
}

function MTMIcon(iconfile, match, type) {
	this.file = iconfile;
	this.match = match;
	this.type = type;
}

/******************************************************************************
* Define the stylesheet rules objects and methods.                            *
******************************************************************************/

function MTMstyleRuleSet() {
	this.rules = new Array();
	this.addRule = MTMaddStyleRule;
}

function MTMaddStyleRule(thisSelector, thisStyle) {
	this.rules[this.rules.length] = new MTMstyleRule(thisSelector, thisStyle);
}

function MTMstyleRule(thisSelector, thisStyle) {
	this.selector = thisSelector;
	this.style = thisStyle;
}

/******************************************************************************
* The MTMBrowser object.  A custom "user agent" that'll define the browser    *
* seen from the menu's point of view.                                         *
******************************************************************************/

function MTMBrowser() {
	this.preHREF = "";
	this.MTMable = false;
	this.cssEnabled = true;
	this.browserType = "other";
	this.majVersion = null;
	this.DOMable = null;

	// properties concerning output document
	this.menuFrame = null;
	this.document = null;
	this.head = null;
	this.menuTable = null;

	// methods
	this.setDocument = MTMsetDocument;
	this.getFrames = MTMgetFrames;
	this.appendElement = MTMappendElement;
	this.resolveURL = MTMresolveURL;

	if(navigator.userAgent.indexOf("Opera") != -1) {
		if(navigator.appName == "Opera") {
			this.majVersion = parseInt(navigator.appVersion);
		} else {
			this.majVersion = parseInt(navigator.userAgent.substring(navigator.userAgent.indexOf("Opera")+6));
		}
		if(this.majVersion >= 5) {
			this.MTMable = true;
			this.browserType = "O";
		}
	} else if(navigator.appName == "Netscape" && navigator.userAgent.indexOf("WebTV") == -1) {
		this.MTMable = true;
		this.browserType = "NN";
		if(parseInt(navigator.appVersion) == 3) {
			this.majVersion = 3;
			this.cssEnabled = false;
		} else if(parseInt(navigator.appVersion) >= 4) {
			this.majVersion = parseInt(navigator.appVersion) == 4 ? 4 : 5;
			if(this.majVersion >= 5) {
				this.DOMable = true;
			}
		}
	} else if(navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >= 4) {
		this.MTMable = true;
		if(navigator.userAgent.toLowerCase().indexOf("mac") != -1) {
			this.browserType = "NN";
			this.majVersion = 4;
			this.DOMable = false;
		} else {
			this.browserType = "IE";
			this.majVersion = navigator.appVersion.indexOf("MSIE 6.") != -1 ? 6 : (navigator.appVersion.indexOf("MSIE 5.") != -1 ? 5 : 4);
			if(this.majVersion >= 5) {
				this.DOMable = true;
			}
		}
	}
	this.preHREF = location.href.substring(0, location.href.lastIndexOf("/") +1)
}

function MTMsetDocument(menuFrame) {
	// called by function MTMgetFrames and sets
	// properties .menuFrame and .document, and for DOMable browsers also .head
	this.menuFrame = menuFrame;
	this.document = menuFrame.document;

	if(this.DOMable) {
		this.head = this.browserType == "IE" ? this.document.all.tags('head')[0] : this.document.getElementsByTagName('head').item(0);
	}
}

function MTMresolveURL(thisURL, testLocal) {
	// resolves 'thisURL' against this.preHREF depending on whether it's an absolute
	// or relative URL.  if 'testLocal' is set it'll return true for local (relative) URLs.
	var absoluteArray = new Array("http://", "https://", "mailto:", "ftp://", "telnet:", "news:", "gopher:", "nntp:", "javascript:", "file:");

	var tempString = "", i;
	for(i = 0; i < absoluteArray.length; i++) {
		if(thisURL.indexOf(absoluteArray[i]) == 0) {
			tempString = thisURL;
			break;
		}
	}
	if(testLocal) {
		return(tempString == "" ? true : false);
	}

	if(!tempString) {
		if(thisURL.indexOf("/") == 0) {
			tempString = location.protocol + "//" + location.hostname + thisURL;
		} else if(thisURL.indexOf("../") == 0) {
			tempString = this.preHREF;
			do {
				thisURL = thisURL.substr(3);
				tempString = tempString.substr(0, tempString.lastIndexOf("/", tempString.length-2) +1);
			} while(thisURL.indexOf("../") == 0);
			tempString += thisURL;
		} else {
			tempString = this.preHREF + thisURL;
		}
	}
	return(tempString);
}

/******************************************************************************
* Default values of all user-configurable options.                            *
******************************************************************************/

var MTMLinkedJSURL, MTMLinkedSS=true, MTMSSHREF="style/menustyle.css", MTMLinkedInitFunction, MTMDOCTYPE, MTMcontentType, MTMHeader, MTMFooter, MTMrightClickMessage, MTMDefaultTarget, MTMTimeOut = 5;
var MTMuseScrollbarCSS= true, MTMscrollbarBaseColor="#FAD694", MTMscrollbarFaceColor="#FAD694", MTMscrollbarHighlightColor="white", MTMscrollbarShadowColor="navy", MTMscrollbar3dLightColor="black", MTMscrollbarArrowColor="black", MTMscrollbarTrackColor="#5098cf", MTMscrollbarDarkShadowColor="#c0c0c0";
var MTMCodeFrame = "code", MTMenuFrame = "menu", MTMTableWidth = "100%", MTMenuImageDirectory = "gifs/";
var MTMUseToolTips = true, MTMEmulateWE, MTMAlwaysLinkIfWE = true, MTMSubsGetPlus = "Always", MTMSubsAutoClose = "True";
var MTMBGColor, MTMTextColor, MTMLinkColor, MTMTrackColor, MTMAhoverColor, MTMSubExpandColor, MTMSubClosedColor, MTMSubTextColor;
var MTMenuText = "Webring Reestdal:", MTMRootIcon = "ic_home.gif", MTMRootColor = "Blue";
var MTMRootFont = MTMenuFont = "Arial, Helvetica, sans-serif";
var MTMRootCSSize = "110%"; 
var MTMenuCSSize = "84%";
var MTMRootFontSize = MTMenuFontSize = "-1";

/******************************************************************************
* Global variables.  Not to be altered unless you know what you're doing.     *
* User-configurable options are found in code.html                            *
******************************************************************************/

var MTMLoaded = false;
var MTMLevel;
var MTMBar = new Array();
var MTMIndices = new Array();

var MTMUA = new MTMBrowser();

var MTMExtraCSS = new MTMstyleRuleSet();
var MTMstyleRules;

var MTMLastItem; // last item added to a menu
var MTMClickedItem = false;
var MTMExpansion = false;

var MTMNumber = 1;
var MTMTrackedItem;
var MTMTrack = false;
var MTMFrameNames;

var MTMFirstRun = true;
var MTMCurrentTime = 0;
var MTMUpdating = false;
var MTMWinSize, MTMyval, MTMxval;
var MTMOutputString = "";


/******************************************************************************
* Code that picks up frame names of frames in the parent frameset.            *
******************************************************************************/

function MTMgetFrames() {
	if(this.MTMable) {
		MTMFrameNames = new Array();
		for(i = 0; i < parent.frames.length; i++) {
			MTMFrameNames[i] = parent.frames[i].name;
			if(parent.frames[i].name == MTMenuFrame) {
				this.setDocument(parent.frames[i]);
			}
		}
	}
}

/******************************************************************************
* Functions to draw the menu.                                                 *
******************************************************************************/

function MTMSubAction(SubItem) {

	SubItem.expanded = (SubItem.expanded) ? false : true;
	if(SubItem.expanded) {
		MTMExpansion = true;
	}

	MTMClickedItem = SubItem;

	if(MTMTrackedItem && MTMTrackedItem != SubItem.number) {
		MTMTrackedItem = false;
	}

	if(MTMEmulateWE || SubItem.url == "" || !SubItem.expanded) {
		setTimeout("MTMDisplayMenu()", 10);
		return false;
	} else {
		if(SubItem.target == "_blank" || !MTMUA.resolveURL(SubItem.url, true) || (SubItem.target.indexOf("_") != 0 && MTMTrackTarget(SubItem.target) == false)) {
			setTimeout("MTMDisplayMenu()", 10);
		}
		return true;
	}
}

function MTMStartMenu(thisEvent) {
	if(MTMUA.browserType == "O" && MTMUA.majVersion == 5) {
		parent.onload = MTMStartMenu;
		if(thisEvent) {
			return;
		}
	}
	MTMLoaded = true;
	if(MTMFirstRun) {
		if(MTMCurrentTime++ == MTMTimeOut) { // notice the post-increment
			setTimeout("MTMDisplayMenu()",10);
		} else {
			setTimeout("MTMStartMenu()",100);
		}
	} 
}

function MTMDisplayMenu() {
	if(MTMUA.MTMable && !MTMUpdating) {
		MTMUpdating = true;
		MTMLevel = 0;

		if(MTMFirstRun) {
			MTMUA.getFrames();
		}
		if(MTMTrack) { MTMTrackedItem = MTMTrackExpand(menu); }

		if(MTMExpansion && MTMSubsAutoClose) { MTMCloseSubs(menu); }

		if(MTMUA.DOMable) {
			if(MTMFirstRun) {
				MTMinitializeDOMDocument();
			}
		} else if(MTMFirstRun || MTMUA.browserType != "IE") {
			MTMUA.document.open("text/html", "replace");
			MTMOutputString = (MTMDOCTYPE ? (MTMDOCTYPE + "\n") : '') + "<html><head>\n";
			if(MTMcontentType) {
				MTMOutputString += '<meta http-equiv="Content-Type" content="' + MTMcontentType + '">\n';
			}
			if(MTMLinkedSS) {
				MTMOutputString += '<link rel="stylesheet" type="text/css" href="' + MTMUA.preHREF + MTMSSHREF + '">\n';
			} else {
				MTMUA.document.writeln(MTMOutputString);
				MTMOutputString = "";
				MTMcreateStyleSheet();
			}
			if(MTMUA.browserType == "IE" && MTMrightClickMessage) {
				MTMOutputString += '<scr' + 'ipt type="text/javascript">\nfunction MTMcatchRight() {\nif(event && (event.button == 2 || event.button == 3)) {\nalert("' + MTMrightClickMessage + '");\nreturn false;\n}\nreturn true;\n}\n\ndocument.onmousedown = MTMcatchRight;\n';
				MTMOutputString += '<\/scr' + 'ipt>\n';
			}
			MTMOutputString += '</head>\n<body ';
			MTMOutputString += 'bgcolor="#FAD694"' +  '">\n';
			MTMUA.document.writeln(MTMOutputString + (MTMHeader ? MTMHeader : "") + '\n<table border="0" cellpadding="0" cellspacing="0" width="' + MTMTableWidth + '" id="mtmtable">\n');
		}

		if(!MTMFirstRun && (MTMUA.DOMable || MTMUA.browserType == "IE")) {
			if(!MTMUA.menuTable) {
				MTMUA.menuTable = MTMUA.document.all('mtmtable');
			}

			while(MTMUA.menuTable.rows.length > 1) {
				MTMUA.menuTable.deleteRow(1);
			}
		}

		MTMOutputString = '<img src="' + MTMUA.preHREF + MTMenuImageDirectory + MTMRootIcon + '" align="left" border="0" vspace="0" hspace="0">';
		if(MTMUA.cssEnabled) {
			MTMOutputString += '<span id="root">&nbsp;' + MTMenuText + '</span>';
		} else {
			MTMOutputString += '<font size="' + MTMRootFontSize + '" face="' + MTMRootFont + '" color="' + MTMRootColor + '">' + MTMenuText + '</font>';
		}
		if(MTMFirstRun || (!MTMUA.DOMable && MTMUA.browserType != "IE")) {
			MTMAddCell(MTMOutputString);
		}

		MTMListItems(menu);

		if(!MTMUA.DOMable && (MTMFirstRun || MTMUA.browserType != "IE")) {
			MTMUA.document.writeln('</table>\n' + (MTMFooter ? MTMFooter : "") + '\n');
			if(MTMLinkedJSURL && MTMUA.browserType != "IE") {
				MTMUA.document.writeln('<scr' + 'ipt defer type="text/javascript" src="' + MTMUA.preHREF + MTMLinkedJSURL + '"></scr' + 'ipt>');
			}
			MTMUA.document.writeln('\n</body>\n</html>');
			MTMUA.document.close();
		}

		if((MTMClickedItem || MTMTrackedItem) && !(MTMUA.browserType == "NN" && MTMUA.majVersion == 3)) {
			MTMItemName = "sub" + (MTMClickedItem ? MTMClickedItem.number : MTMTrackedItem);
			if(document.layers && MTMUA.menuFrame.scrollbars) {
				var i;
				for(i = 0; i < MTMUA.document.anchors.length; i++) {
					if(MTMUA.document.links[i].name == MTMItemName) {
						MTMyval = MTMUA.document.links[i].y;
						MTMUA.document.links[i].focus();
						break;
					}
				}
				MTMWinSize = MTMUA.menuFrame.innerHeight;
			} else if(MTMUA.browserType != "O") {
				if(MTMUA.browserType == "NN" && MTMUA.majVersion == 5) {
					MTMUA.document.all = MTMUA.document.getElementsByTagName("*");
				}
				MTMyval = MTMGetYPos(MTMUA.document.all[MTMItemName]);
				MTMUA.document.all[MTMItemName].focus();
				MTMWinSize = MTMUA.browserType == "IE" ? MTMUA.document.body.offsetHeight : MTMUA.menuFrame.innerHeight;
			}
			if(MTMyval > (MTMWinSize - 60)) {
				MTMUA.menuFrame.scrollTo(0, parseInt(MTMyval - (MTMWinSize * 1/3)));
			}
		}

		if(MTMLinkedJSURL && MTMLinkedInitFunction && !(MTMUA.browserType == "IE" && MTMUA.majVersion == 4)) {
			setTimeout('MTMUA.menuFrame.' + MTMLinkedInitFunction + '()', 10);
		}

		MTMFirstRun = false;
		MTMClickedItem = false;
		MTMExpansion = false;
		MTMTrack = false;
	}
MTMUpdating = false;
}

function MTMinitializeDOMDocument() {
	var newElement;
	if(MTMcontentType) {
		MTMUA.appendElement('head', 'meta', 'httpEquiv', 'Content-Type', 'content', MTMcontentType);
	}
	MTMdisableStyleSheets();

	if(MTMLinkedSS) {
		MTMUA.appendElement('head', 'link', 'rel', 'stylesheet', 'type', 'text/css', 'href', (MTMUA.preHREF + MTMSSHREF));
	} else {
		MTMcreateStyleSheet();
	}
	if(MTMLinkedJSURL) {
		MTMUA.appendElement('head', 'script', 'src', (MTMUA.preHREF + MTMLinkedJSURL), 'type', 'text/javascript', 'defer', true);
	}
	while(MTMUA.document.body.childNodes.length > 0) {
		MTMUA.document.body.removeChild(MTMUA.document.body.firstChild);
	}

	if(MTMHeader) {
		if(MTMUA.browserType == "IE") {
			MTMUA.document.body.insertAdjacentHTML("afterBegin", MTMHeader);
		} else {
			var myRange = MTMUA.document.createRange();
			myRange.setStart(MTMUA.document.body, 0);
			var parsedHTML = myRange.createContextualFragment(MTMHeader);
			MTMUA.document.body.appendChild(parsedHTML);
		}
	}
	MTMUA.appendElement('body', 'table', 'border', '0', 'cellPadding', '0', 'cellSpacing', '0', 'width', MTMTableWidth, 'id', 'mtmtable');
	MTMUA.menuTable = MTMUA.document.getElementById('mtmtable');
	if(MTMFooter) {
		if(MTMUA.browserType == "IE") {
			MTMUA.document.body.insertAdjacentHTML("beforeEnd", MTMFooter);
		} else {
			var myRange = MTMUA.document.createRange();
			myRange.setStart(MTMUA.document.body, 0);
			var parsedHTML = myRange.createContextualFragment(MTMFooter);
			MTMUA.document.body.appendChild(parsedHTML);
		}
	}
}

function MTMappendElement() {
	var newElement = this.document.createElement(arguments[1]);
	var j, newProperty;
	for(j = 2; j < arguments.length; j+=2) {
		newElement.setAttribute(arguments[j], arguments[j+1]);
	}
	if(arguments[0] == 'head') {
		this.head.appendChild(newElement);
	} else if(arguments[0] == 'body') {
		this.document.body.appendChild(newElement);
	}
}

function MTMListItems(menu) {
	var i, isLast;
	for (i = 0; i < menu.items.length; i++) {
		MTMIndices[MTMLevel] = i;
		isLast = (i == menu.items.length -1);
		MTMDisplayItem(menu.items[i], isLast);

		if(menu.items[i].submenu && menu.items[i].expanded) {
			MTMBar[MTMLevel] = (isLast) ? false : true;
			MTMLevel++;
			MTMListItems(menu.items[i].submenu);
			MTMLevel--;
		} else {
			MTMBar[MTMLevel] = false;
		} 
	}
}

function MTMDisplayItem(item, last) {
	var i, img, subNoLink;

	var MTMfrm = "parent.frames['" + MTMCodeFrame + "']";
	var MTMref = '.menu.items[' + MTMIndices[0] + ']';

	if(MTMLevel > 0) {
		for(i = 1; i <= MTMLevel; i++) {
			MTMref += ".submenu.items[" + MTMIndices[i] + "]";
		}
	}

	if(item.submenu) {
		var usePlusMinus = false;
		if(MTMSubsGetPlus.toLowerCase() == "always" || MTMEmulateWE) {
			usePlusMinus = true;
		} else if(MTMSubsGetPlus.toLowerCase() == "submenu") {
			for(i = 0; i < item.submenu.items.length; i++) {
				if(item.submenu.items[i].submenu) {
					usePlusMinus = true; break;
				}
			}
		}

		var MTMClickCmd = "return " + MTMfrm + ".MTMSubAction(" + MTMfrm + MTMref + ");";
		var MTMouseOverCmd = "parent.status='" + (item.expanded ? "Invouwen " : "Uitvouwen ") + (item.text.indexOf("'") != -1 ? MTMEscapeQuotes(item.text) : item.text) + "';return true;";
		var MTMouseOutCmd = "parent.status=parent.defaultStatus;return true;";
	}

	MTMOutputString = "";
	if(MTMLevel > 0) {
		for (i = 0; i < MTMLevel; i++) {
			MTMOutputString += (MTMBar[i]) ? MTMakeImage("menu_bar.gif") : MTMakeImage("menu_pixel.gif");
		}
	}

	if(item.submenu && usePlusMinus) {
		if(item.url == "") {
			MTMOutputString += MTMakeLink(item, true, true, true, MTMClickCmd, MTMouseOverCmd, MTMouseOutCmd);
		} else {
			if(MTMEmulateWE) {
				MTMOutputString += MTMakeLink(item, true, true, false, MTMClickCmd, MTMouseOverCmd, MTMouseOutCmd);
			} else {
				if(!item.expanded) {
					MTMOutputString += MTMakeLink(item, false, true, true, MTMClickCmd);
				} else {
					MTMOutputString += MTMakeLink(item, true, true, false, MTMClickCmd, MTMouseOverCmd, MTMouseOutCmd);
				}
			}
		}

		if(item.expanded) {
			img = (last) ? "menu_corner_minus.gif" : "menu_tee_minus.gif";
		} else {
			img = (last) ? "menu_corner_plus.gif" : "menu_tee_plus.gif";
		}
	} else {
		img = (last) ? "menu_corner.gif" : "menu_tee.gif";
	}
	MTMOutputString += MTMakeImage(img);

	if(item.submenu) {
		if(MTMEmulateWE) {
			if(item.url != "") {
				MTMOutputString += '</a>' + MTMakeLink(item, false, false, true);
			} else if(!MTMAlwaysLinkIfWE) {
				subNoLink = true;
				MTMOutputString += '</a><span class="subtext">';
			}
		} else if(!usePlusMinus) {
			if(item.url == "") {
				MTMOutputString += MTMakeLink(item, true, true, true, MTMClickCmd, MTMouseOverCmd, MTMouseOutCmd);
			} else if(!item.expanded) {
				MTMOutputString += MTMakeLink(item, false, true, true, MTMClickCmd);
			} else {
				MTMOutputString += MTMakeLink(item, true, true, false, MTMClickCmd, MTMouseOverCmd, MTMouseOutCmd);
			}
		}

		img = (item.expanded) ? item.expandIcon : item.collapseIcon;
	} else {
		MTMOutputString += MTMakeLink(item, false, true, true);
		img = (item.icon != "") ? item.icon : MTMFetchIcon(item.url);
	}

	MTMOutputString += MTMakeImage(img);

	if(item.submenu && item.url != "" && item.expanded && !MTMEmulateWE) {
		MTMOutputString += '</a>' + MTMakeLink(item, false, false, true);
	}

	if(MTMUA.browserType == "NN" && MTMUA.majVersion == 3 && !MTMLinkedSS) {
		var stringColor;
		if(item.submenu && (item.url == "") && (item.number == MTMClickedItem.number)) {
			stringColor = (item.expanded) ? MTMSubExpandColor : MTMSubClosedColor;
		} else if(MTMTrackedItem && MTMTrackedItem == item.number) {
			stringColor = MTMTrackColor;
		} else {
			stringColor = MTMLinkColor;
		}
		MTMOutputString += '<font color="' + stringColor + '" size="' + MTMenuFontSize + '" face="' + MTMenuFont + '">';
	}
	MTMOutputString += '&nbsp;' + item.text + ((MTMUA.browserType == "NN" && MTMUA.majVersion == 3 && !MTMLinkedSS) ? '</font>' : '');
	MTMOutputString += subNoLink ? '</span>' : '</a>';
	MTMAddCell(MTMOutputString);
}

function MTMEscapeQuotes(myString) {
	var newString = "";
	var cur_pos = myString.indexOf("'");
	var prev_pos = 0;
	while (cur_pos != -1) {
		if(cur_pos == 0) {
			newString += "\\";
		} else if(myString.charAt(cur_pos-1) != "\\") {
			newString += myString.substring(prev_pos, cur_pos) + "\\";
		} else if(myString.charAt(cur_pos-1) == "\\") {
			newString += myString.substring(prev_pos, cur_pos);
		}
		prev_pos = cur_pos++;
		cur_pos = myString.indexOf("'", cur_pos);
	}
	return(newString + myString.substring(prev_pos, myString.length));
}

function MTMTrackExpand(thisMenu) {
	var i, targetPath, targetLocation;
	var foundNumber = false;
	for(i = 0; i < thisMenu.items.length; i++) {
		if(thisMenu.items[i].url != "" && MTMTrackTarget(thisMenu.items[i].target)) {
			targetLocation = parent.frames[thisMenu.items[i].target].location;
			targetHREF = targetLocation.href;
			if(targetHREF.indexOf("#") != -1) {
				targetHREF = targetHREF.substr(0, targetHREF.indexOf("#"));
			}
			if(MTMUA.browserType == "IE" && targetLocation.protocol == "file:") {
				var regExp = /\\/g;
				targetHREF = targetHREF.replace(regExp, "\/");
			}
			if(targetHREF == MTMUA.resolveURL(thisMenu.items[i].url)) {
				return(thisMenu.items[i].number);
			}
		}
		if(thisMenu.items[i].submenu) {
			foundNumber = MTMTrackExpand(thisMenu.items[i].submenu);
			if(foundNumber) {
				if(!thisMenu.items[i].expanded) {
					thisMenu.items[i].expanded = true;
					if(!MTMClickedItem) { MTMClickedItem = thisMenu.items[i]; }
					MTMExpansion = true;
				}
				return(foundNumber);
			}
		}
	}
return(foundNumber);
}

function MTMCloseSubs(thisMenu) {
	var i, j;
	var foundMatch = false;
	for(i = 0; i < thisMenu.items.length; i++) {
		if(thisMenu.items[i].submenu && thisMenu.items[i].expanded) {
			if(thisMenu.items[i].number == MTMClickedItem.number) {
				foundMatch = true;
				for(j = 0; j < thisMenu.items[i].submenu.items.length; j++) {
					if(thisMenu.items[i].submenu.items[j].expanded) {
						thisMenu.items[i].submenu.items[j].expanded = false;
					}
				}
			} else {
				if(foundMatch) {
					thisMenu.items[i].expanded = false; 
				} else {
					foundMatch = MTMCloseSubs(thisMenu.items[i].submenu);
					if(!foundMatch) {
						thisMenu.items[i].expanded = false;
					}
				}
			}
		}
	}
	return(foundMatch);
}

function MTMFetchIcon(testString) {
	var i;
	for(i = 0; i < MTMIconList.items.length; i++) {
		if((MTMIconList.items[i].type == 'any') && (testString.indexOf(MTMIconList.items[i].match) != -1)) {
			return(MTMIconList.items[i].file);
		} else if((MTMIconList.items[i].type == 'pre') && (testString.indexOf(MTMIconList.items[i].match) == 0)) {
			return(MTMIconList.items[i].file);
		} else if((MTMIconList.items[i].type == 'post') && (testString.indexOf(MTMIconList.items[i].match) != -1)) {
			if((testString.lastIndexOf(MTMIconList.items[i].match) + MTMIconList.items[i].match.length) == testString.length) {
				return(MTMIconList.items[i].file);
			}
		}
	}
	return("menu_link_default.gif");
}

function MTMGetYPos(myObj) {
	return(myObj.offsetTop + ((myObj.offsetParent) ? MTMGetYPos(myObj.offsetParent) : 0));
}

function MTMakeLink(thisItem, voidURL, addName, addTitle, clickEvent, mouseOverEvent, mouseOutEvent) {
	var tempString = '<a href="' + (voidURL ? 'javascript:;' : MTMUA.resolveURL(thisItem.url)) + '" ';
	if(MTMUseToolTips && addTitle && thisItem.tooltip) {
		tempString += 'title="' + thisItem.tooltip + '" ';
	}
	if(addName) {
		tempString += 'name="sub' + thisItem.number + '" ';
	}
	if(clickEvent) {
		tempString += 'onclick="' + clickEvent + '" ';
	}
	if(mouseOverEvent && mouseOverEvent != "") {
		tempString += 'onmouseover="' + mouseOverEvent + '" ';
	}
	if(mouseOutEvent && mouseOutEvent != "") {
		tempString += 'onmouseout="' + mouseOutEvent + '" ';
	}
	if(thisItem.submenu && MTMClickedItem && thisItem.number == MTMClickedItem.number) {
		tempString += 'class="' + (thisItem.expanded ? "subexpanded" : "subclosed") + '" ';
	} else if(MTMTrackedItem && thisItem.number == MTMTrackedItem) {
		tempString += 'class="tracked"';
	}
	if(thisItem.target != "") {
		tempString += 'target="' + thisItem.target + '" ';
	}
	return(tempString + '>');
}

function MTMakeImage(thisImage) {
	return('<img src="' + MTMUA.preHREF + MTMenuImageDirectory + thisImage + '" align="left" border="0" vspace="0" hspace="0" width="18" height="18">');
}

function MTMakeSVG(thisImage) {
	return('<object type="image/svg+xml" data="' + thisImage + '" NAME="Main" width="18" height="18" ><\/object>');
}

function MTMTrackTarget(thisTarget) {
	if(thisTarget.charAt(0) == "_") {
		return false;
	} else {
		for(i = 0; i < MTMFrameNames.length; i++) {
			if(thisTarget == MTMFrameNames[i]) {
				return true;
			}
		}
	}
	return false;
}

function MTMAddCell(thisHTML) {
	if(MTMUA.DOMable || (MTMUA.browserType == "IE" && !MTMFirstRun)) {
		var myRow = MTMUA.menuTable.insertRow(MTMUA.menuTable.rows.length);
		myRow.vAlign = "top";
		var myCell = myRow.insertCell(myRow.cells.length);
		myCell.noWrap = true;
		myCell.innerHTML = thisHTML;
	} else {
		MTMUA.document.writeln('<tr valign="top"><td nowrap>' + thisHTML + '<\/td><\/tr>');
	}
}

function MTMcreateStyleSheet() {
	var i;

	if(!MTMstyleRules) {
		MTMstyleRules = new MTMstyleRuleSet();
		with(MTMstyleRules) {
			addRule('body', 'color:' + MTMTextColor + ';');
			if(MTMuseScrollbarCSS && MTMUA.browserType != "NN") {
				addRule('body', 'scrollbar-3dlight-color:' + MTMscrollbar3dLightColor + ';scrollbar-arrow-color:' + MTMscrollbarArrowColor + ';scrollbar-base-color:' + MTMscrollbarBaseColor + ';scrollbar-darkshadow-color:' + MTMscrollbarDarkShadowColor + ';scrollbar-face-color:' + MTMscrollbarFaceColor + ';scrollbar-highlight-color:' + MTMscrollbarHighlightColor + ';scrollbar-shadow-color:' + MTMscrollbarShadowColor + ';scrollbar-track-color:' + MTMscrollbarTrackColor + ';');
			}
			addRule('#root', 'color:' + MTMRootColor + ';background:transparent;font-family:' + MTMRootFont + ';font-size:' + MTMRootCSSize + ';');
			addRule('.subtext', 'font-family:' + MTMenuFont + ';font-size:' + MTMenuCSSize + ';color:' + MTMSubTextColor + ';background: transparent;');
			addRule('a', 'font-family:' + MTMenuFont + ';font-size:' + MTMenuCSSize + ';text-decoration:none;color:' + MTMLinkColor + ';background:transparent;');
			addRule('a:hover', 'color:' + MTMAhoverColor + ';background:transparent;');
			addRule('a.tracked', 'color:' + MTMTrackColor + ';background:transparent;');
			addRule('a.subexpanded', 'color:' + MTMSubExpandColor + ';background:transparent;');
			addRule('a.subclosed', 'color:' + MTMSubClosedColor + ';background:transparent;');

		}
	}

	if(MTMUA.DOMable) {
		if(MTMUA.browserType == "IE") {
			MTMUA.document.createStyleSheet();
			var newStyleSheet = MTMUA.document.styleSheets(MTMUA.document.styleSheets.length-1);
		} else if(MTMUA.browserType == "NN") {
			var newStyleSheet = MTMUA.document.getElementById('mtmsheet');
			if(newStyleSheet) {
				newStyleSheet.disabled = false;
			}
		}
	} else {
		var outputHTML = '<style type="text/css">\n';
	}
	for(i = 0; i < MTMstyleRules.rules.length; i++) {
		if(MTMUA.DOMable && MTMUA.browserType == "IE") {
			newStyleSheet.addRule(MTMstyleRules.rules[i].selector, MTMstyleRules.rules[i].style);
		} else if(MTMUA.DOMable && MTMUA.browserType == "NN" && newStyleSheet) {
			newStyleSheet.sheet.insertRule((MTMstyleRules.rules[i].selector + " { " + MTMstyleRules.rules[i].style + " } "), newStyleSheet.sheet.cssRules.length);
		} else {
			outputHTML += MTMstyleRules.rules[i].selector + ' {\n' + MTMstyleRules.rules[i].style + '\n}\n';
		}
	}
	
	for(i = 0; i < MTMExtraCSS.rules.length; i++) {
		if(MTMUA.DOMable && MTMUA.browserType == "IE") {
			newStyleSheet.addRule(MTMExtraCSS.rules[i].selector, MTMExtraCSS.rules[i].style);
		} else if(MTMUA.DOMable && MTMUA.browserType == "NN" && newStyleSheet) {
			newStyleSheet.sheet.insertRule((MTMExtraCSS.rules[i].selector + "{" + MTMExtraCSS.rules[i].style + "}"), newStyleSheet.sheet.cssRules.length);
		} else {
			outputHTML += MTMExtraCSS.rules[i].selector + ' {\n' + MTMExtraCSS.rules[i].style + '\n}\n';
		}
	}
	if(MTMFirstRun && MTMUA.DOMable) {
		with(MTMUA.document.body) {
			bgColor = MTMBGColor;
			text = MTMTextColor;
			link = MTMLinkColor;
			vLink = MTMLinkColor;
			aLink = MTMLinkColor;
		}
	} else if(!MTMUA.DOMable) {
		MTMUA.document.writeln(outputHTML + '</style>');
	}
}

function MTMdisableStyleSheets() {
	if(MTMUA.browserType == "IE") {
		for(i = 0; i < MTMUA.document.styleSheets.length; i++) {
			MTMUA.document.styleSheets(i).disabled = true;
		}
	} else if(MTMUA.browserType == "NN") {
		var myCollection = MTMUA.document.getElementsByTagName('style');
		for(i = 0; i < myCollection.length; i++) {
			myCollection.item(i).disabled = true;
		}
		var myCollection = MTMUA.document.getElementsByTagName('link');
		for(i = 0; i < myCollection.length; i++) {
			if(myCollection.item(i).getAttribute('type') == "text/css") {
				myCollection.item(i).disabled = true;
			}
		}
	}
}
