<!-- Begin
var isDOM = ((document.getElementById) ? true : false);
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = ((document.layers) ? true : false);

function getRef(id) {
		 if (isDOM) return document.getElementById(id);
		 if (isIE4) return document.all[id];
		 if (isNS4) return document.layers[id];
}
function getSty(id) {
		 return (isNS4 ? getRef(id) : getRef(id).style);
}
// Hide timeout.
var popTimer = 0;

// Array showing highlighted menu items.
var litNow = new Array();
function popOver(menuNum, itemNum) {
		 clearTimeout(popTimer);
		 hideAllBut(menuNum);
		 litNow = getTree(menuNum, itemNum);
		 changeCol(litNow, true);
		 targetNum = menu[menuNum][itemNum].target;
		 if (targetNum > 0) {
			  thisX = parseInt(menu[menuNum][0].ref.left) + parseInt(menu[menuNum][itemNum].ref.left);
			  thisY = parseInt(menu[menuNum][0].ref.top) + parseInt(menu[menuNum][itemNum].ref.top);
			  with (menu[targetNum][0].ref) {
				   left = parseInt(thisX + menu[targetNum][0].x);
				   top = parseInt(thisY + menu[targetNum][0].y);
				   visibility = 'visible';
			  }
		 }
}

function popOut(menuNum, itemNum) {
		 if ((menuNum == 0) && !menu[menuNum][itemNum].target)
			  hideAllBut(0)
		 else
			  popTimer = setTimeout('hideAllBut(0)', 500);
}

function getTree(menuNum, itemNum) {

	  // Array index is the menu number. The contents are null (if that menu is not a parent)
	  // or the item number in that menu that is an ancestor (to light it up).
	  itemArray = new Array(menu.length);

	  while(1) {
			 itemArray[menuNum] = itemNum;
			 // If we've reached the top of the hierarchy, return.
			 if (menuNum == 0) return itemArray;
			 itemNum = menu[menuNum][0].parentItem;
			 menuNum = menu[menuNum][0].parentMenu;
	  }
}

// Pass an array and a boolean to specify colour change, true = over colour.
function changeCol(changeArray, isOver) {
		 for (menuCount = 0; menuCount < changeArray.length; menuCount++) {
				if (changeArray[menuCount]) {
					  newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;
					  // Change the colours of the div/layer background.
					  with (menu[menuCount][changeArray[menuCount]].ref) {
							if (isNS4) bgColor = newCol;
							else backgroundColor = newCol;
					  }
				}
		 }
}

function hideAllBut(menuNum) {
		 var keepMenus = getTree(menuNum, 1);
		 for (count = 0; count < menu.length; count++)
		 if (!keepMenus[count])
				menu[count][0].ref.visibility = 'hidden';
		 changeCol(litNow, false);
}

// *** MENU CONSTRUCTION FUNCTIONS ***

function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) {
	// True or false - a vertical menu?
		 this.isVert = isVert;
	// The popout indicator used (if any) for this menu.
		 this.popInd = popInd
	// Position and size settings.
		 this.x = x;
		 this.y = y;
		 this.width = width;
	// Colours of menu and items.
		 this.overCol = overCol;
		 this.backCol = backCol;
	// The stylesheet class used for item borders and the text within items.
		 this.borderClass = borderClass;
		 this.textClass = textClass;
	// Parent menu and item numbers, indexed later.
		 this.parentMenu = null;
		 this.parentItem = null;
	// Reference to the object's style properties (set later).
		 this.ref = null;
}

function Item(text, href, frame, length, spacing, target) {
		 this.text = text;
		 this.href = href;
		 this.frame = frame;
		 this.length = length;
		 this.spacing = spacing;
		 this.target = target;
		 this.ref = null;
}

function writeMenus() {
		 if (!isDOM && !isIE4 && !isNS4) return;

		 for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) {
			  // Variable for holding HTML for items and positions of next item.
			  var str = '', itemX = 0, itemY = 0;

			  // Remember, items start from 1 in the array (0 is menu object itself, above).
			  // Also use properties of each item nested in the other with() for construction.
			  for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) {
					var itemID = 'menu' + currMenu + 'item' + currItem;

					// The width and height of the menu item - dependent on orientation!
					var w = (isVert ? width : length);
					var h = (isVert ? length : width);

					if (isDOM || isIE4) {
						  str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
						  if (backCol) str += 'background: ' + backCol + '; ';
						  str += '" ';
					}
					if (isNS4) {
						  str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';
						  if (backCol) str += 'bgcolor="' + backCol + '" ';
					}
					if (borderClass) str += 'class="' + borderClass + '" ';

					// Add mouseover handlers and finish div/layer.
					str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';

					// Add contents of item (default: table with link inside).
					// In IE/NS6+, add padding if there's a border to emulate NS4's layer padding.
					// If a target frame is specified, also add that to the <a> tag.
					str += '<table width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr><td class="' + textClass + '" height="' + (h - 7) + '">' + '<a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a></td>';
					if (target > 0) {

						  // Set target's parents to this menu item.
						  menu[target][0].parentMenu = currMenu;
						  menu[target][0].parentItem = currItem;

						  // Add a popout indicator.
						  if (popInd) str += '<td class="' + textClass + '" align="right">' + popInd + '</td>';
					}
					// str += '</tr></table></div>'
					str += '</tr></table>' + (isNS4 ? '</layer>' : '</div>');
					if (isVert) itemY += length + spacing;
					else itemX += length + spacing;
			  }
			  if (isDOM) {
					var newDiv = document.createElement('div');
					document.getElementsByTagName('body').item(0).appendChild(newDiv);
					newDiv.innerHTML = str;
					ref = newDiv.style;
					ref.position = 'absolute';
					ref.visibility = 'hidden';
			  }

			  // Insert a div tag to the end of the BODY with menu HTML in place for IE4.
			  if (isIE4) {
					document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
					ref = getSty('menu' + currMenu + 'div');
			  }

			  // In NS4, create a reference to a new layer and write the items to it.
			  if (isNS4) {
					ref = new Layer(0);
					ref.document.write(str);
					ref.document.close();
			  }

			  for (currItem = 1; currItem < menu[currMenu].length; currItem++) {
					itemName = 'menu' + currMenu + 'item' + currItem;
					if (isDOM || isIE4) menu[currMenu][currItem].ref = getSty(itemName);
					if (isNS4) menu[currMenu][currItem].ref = ref.document[itemName];
			  }
		 }
		 with(menu[0][0]) {
			  ref.left = x;
			  ref.top = y;
			  ref.visibility = 'visible';
		 }
}

// Syntaxes: *** START EDITING HERE, READ THIS SECTION CAREFULLY! ***
//
// menu[menuNumber][0] = new Menu(Vertical menu? (true/false), 'popout indicator', left, top,
// width, 'mouseover colour', 'background colour', 'border stylesheet', 'text stylesheet');
//
// Left and Top are measured on-the-fly relative to the top-left corner of its trigger, or
// for the root menu, the top-left corner of the page.
//
// menu[menuNumber][itemNumber] = new Item('Text', 'URL', 'target frame', length of menu item,
//  additional spacing to next menu item, number of target menu to popout);
//
// If no target menu (popout) is desired, set it to 0. Likewise, if your site does not use
// frames, pass an empty string as a frame target.
//
// Something that needs explaining - the Vertical Menu setup. You can see most menus below
// are 'true', that is they are vertical, except for the first root menu. The 'length' and
// 'width' of an item depends on its orientation -- length is how long the item runs for in
// the direction of the menu, and width is the lateral dimension of the menu. Just look at
// the examples and tweak the numbers, they'll make sense eventually :).

var menu = new Array();

// Default colours passed to most menu constructors (just passed to functions, not
// a global variable - makes things easier to change later in bulk).
var defOver = '#C5D1E8', defBack = '#8099CC';

// Default 'length' of menu items - item height if menu is vertical, width if horizontal.
var defLength = 22, dblLength = 36, tplLength = 50;

// Main Menu is the special, 'root' menu from which everything else arises.
menu[0] = new Array();
menu[0][0] = new Menu(false, '', 157, 145, 50, 'transparent', 'transparent', 'mainBorder', 'mainText');
menu[0][1] = new Item('ABOUT PETASUS', '#', '', 140, 20, 1);
menu[0][2] = new Item('WEB PORTFOLIO', '#', '', 140, 20, 2);
menu[0][3] = new Item('OTHER PROJECTS', '#', '', 140, 20, 3);
menu[0][4] = new Item('CONTACT US', '#', '', 140, 20, 4);

//  About Petasus Menu
menu[1] = new Array();
menu[1][0] = new Menu(true, '', 5, 30, 160, defOver, defBack, 'itemBorder', 'itemText');
menu[1][1] = new Item('About Petasus', 'index.php', '', defLength, 0, 0);
menu[1][2] = new Item('What is a Petasus?', 'PtAbout.php', '', defLength, 0, 0);
menu[1][3] = new Item('Principal', '#', '', defLength, 0, 0);


//  Web Portfolio Menu 
menu[2] = new Array();
menu[2][0] = new Menu(true, '', 5, 30, 170, defOver, defBack, 'itemBorder', 'itemText');
menu[2][1] = new Item('Nova Scotia Provincial Exhibition', 'PtPortNSPE.php', '', defLength, 0, 0);
menu[2][2] = new Item('Truro Raceway', 'PtPortNSPE.php', '', defLength, 0, 0);
menu[2][3] = new Item('RCCO Halifax Centre', 'PtPortRCCO.php', '', defLength, 0, 0);
menu[2][4] = new Item('RCCO National Organ Festival', 'PtPortFest.php', '', defLength, 0, 0);
menu[2][5] = new Item('Civil Parishes of<br>County Donegal', 'PtPortDoneg.php', '', dblLength, 0, 0);
menu[2][6] = new Item('McElhiney Family', 'PtPortMcElh.php', '', defLength, 0, 0);


//  Other Projects Menu
menu[3] = new Array();
menu[3][0] = new Menu(true, '', 5, 30, 170, defOver, defBack, 'itemBorder', 'itemText');
menu[3][1] = new Item('Historic Places Initiative', '#', '', defLength, 0, 0);
menu[3][2] = new Item('Heritage Research', '#', '', defLength, 0, 0);

//  Contact Us Menu
menu[4] = new Array();
menu[4][0] = new Menu(true,'', 5, 30, 130, defOver, defBack, 'itemBorder', 'itemText');
menu[4][1] = new Item('Contact Us', 'PtContact.php', '', defLength, 0, 0);

// These two lines handle the window resize bug in NS4. See <body onResize="...">.
// I recommend you leave this here as otherwise when you resize NS4's width menus are hidden.

var popOldWidth = window.innerWidth;
nsResizeHandler = new Function('if (popOldWidth != window.innerWidth) location.reload()');

if (isNS4) document.captureEvents(Event.CLICK);
document.onclick = clickHandle;

function clickHandle(evt){
	  if (isNS4) document.routeEvent(evt);
	  hideAllBut(0);
}

// This is just the moving command for the example.
function moveRoot(){
	  with(menu[0][0].ref) left = ((parseInt(left) < 100) ? 100 : 5);
}

//  End -->