var pg = {breadCrumbSeperator:" > ",breadCrumbs:[],
reassemble		:	function(vars , main){
						var elem = document.createElement('a');
						if(vars){
							var href = vars[0];
							var text = vars[1];						
							
							if( this.breadCrumbs.length > 0){
								if(href)
									$(elem).attr('href', href);
							}else{
								$(elem).addClass('current');
							}
							if(!main){
								if(menu.prefixLen !== 0)
									text = text.substr(menu.prefixLen);
							}
							elem.appendChild(document.createTextNode(text));
						}
						return elem;						
					}		,
makeBreadCrumbs	:	function(){
						var target = $('#breadCrumbs');
						if(target.length){
							target.append( this.reassemble(this.breadCrumbs.pop(),true));
							while(this.breadCrumbs.length){
									target.append(document.createTextNode(this.breadCrumbSeperator));
									var temp = this.reassemble(this.breadCrumbs.pop(),false);
									target.append(temp );
							}
						}
					}
};
var menu = {
id				:	undefined					,	// this Objects id
xmlNode			:	undefined					,	// XMLNode from which this Object is made
nodes			:	undefined					,	// Array that holds the nodes that this menus items are made of
parent			:	undefined					,	// Parent Object
children		:	[]							,	// Children Objects, if an A item has no submenu this is undefined
childrenCount	:	0							,	// counts the li's in this menu
container		:	undefined					,	// stores the div this.that holds this menus items
ul				:	undefined					,	// stores the ul in which the li's with thet buttons are stored 
a				:	undefined					,	// stores the a's in this menu
li				:	undefined					,	// array of li's
img				:	[]							,	// array that holds vars to see if a button has an image
images			:	[]							,	// array that holds the mouseover and mouseout images for a link, otherwise holds undefined
subMenus		:	[]							,	// array of submenus,array that holds ALL the subMenus this array is stored in the original object (menu)
menuDir			:	'b'							,	// default foldout direction for mainmenu
subMenuDir		:	'r'							,	// default foldout direction for submenus
hideTimer		:	undefined					,	// if this menu is timed out to be hid this is a number else it is undefined
hideTimerDur	:	500							,	// default value for hide() timeout
childrenTimer	:	undefined					,	// if children are timed out to be hid this is a number else it is undefined
childrenTimerDur:	100							,	// default value for planHide() timeout
openNewString	:	"opens in a new window"		,	// string to show on mouseover when a link opens a new window
imageRoot		:	"userdata/menuimages/"		,	// folder that holds uploaded menuimages
doCurrent		:	false						,	// if currentitem is set in the menuxml this var will be set to true so the markCurrent function gets called
prefix			:	""							,	// prefix for submenuitems
prefixLen		:	0							,	// the length of the submenuprefix in characters since this is hard to determin for JS from the string
over			:	function(num){
						this.cancelHide();
						cancelHideAll();
						this.hideChildren();
						if(this.children[num] !== false){
							var dir = (this.id === 'PGMenu') ?  this.menuDir : this.subMenuDir
							this.children[num].positionMe( this.a[num] , dir );
						}
						if(this.img[num] !== undefined){
							if(this.images[num].length >1)
								this.img[num].setAttribute("src", this.imageRoot+this.images[num][1] );
						}
					}							,
out				:	function(num){
						this.planHide(false);
						planHideAll();
						if(this.img[num] !== undefined){
							if(this.images[num].length >1)
								$(this.img[num]).attr("src", this.imageRoot+this.images[num][0] );
						}
					}							,
markCurrent		:	function( nr , par ){
						if(par !== false){
							for(var i = 0, len = this.children.length ; i < len ; i++){
								if(this.children[i] !== false){
									if(this.children[i].id === nr){
										this.a[i].addClass("current");
										pg.breadCrumbs[pg.breadCrumbs.length] = [this.a[i].attr('href'), this.nodes[i].getAttribute("txt")];
									}
								}
							}
						}else{
							this.a[nr].addClass("current");
							pg.breadCrumbs[pg.breadCrumbs.length] = [this.a[nr].attr('href'), this.nodes[nr].getAttribute("txt")];
						}
						if(this.id !== "PGMenu")
							this.parent.markCurrent(this.id);
						else
							pg.makeBreadCrumbs();
						if(menu.visibleSubItem === undefined &&  this.children[nr])
								menu.visibleSubItem = this.children[nr];
					}						,
positionMe		:	function( origin , dir ){
						positionMenuElem( origin , this.container , dir );
						this.show();
					}							,
addA	 		:	function(node , liItem , aItem , subMenuOb , imgItem ,  imagesItem){
						this.nodes[this.nodes.length] = node;
						this.a[this.a.length] = aItem;
						this.children[this.children.length] = subMenuOb;
						this.img[this.img.length] = imgItem;
						this.images[this.images.length] = imagesItem;
						if( liItem){
							this.ul.appendChild(liItem);
							this.li[this.li.length] = liItem;
						}
						if(subMenuOb !== false)
							this.subMenus[this.subMenus.length] = subMenuOb;
						this.childrenCount++;
					}							,
hide			:	function(){
						$(this.container).hide();
					}							,
show			:	function(){
						$(this.container).show();
					}							,
planHide		:	function(){
						this.childrenTimer = setInterval(this.hideChildren , this.childrenTimerDur , false);
					}							,
cancelHide		:	function(){
						if(this.childrenTimer !== undefined){
							clearInterval(this.childrenTimer);
							this.childrenTimer = undefined;
						}
					}							,
hideChildren	:	function(thisAlso){
						if (this.children !== undefined){
							var len = this.children.length;
							for(var i = 0 ; i < len ; i++){
								if(this.children[i] !== false){
									this.children[i].hideChildren(true);
								}
							}
							if (thisAlso)
								this.hide();
						}
					}
};
function getChildren(xmlNode){
	var nodes = xmlNode.childNodes;
	var nChildren = [];		
	var len = nodes.length;
	for (var i = 0 ; i < len ; i++){
		var tempNode = nodes[i];
		if (tempNode.nodeType === 1 ){
			if (tempNode.nodeName === "menuitem" || tempNode.nodeName === "PGMenu"){
				nChildren[nChildren.length] = tempNode;
			}
		}
	}
	return nChildren;
}
function initMenu(){
	getDimensions();
	menu.container = $('#MainMenu');
	var xml = getXMLData(MenuXML);
	menu.xml = xml.firstChild;
	if(menu.container && menu.xml){
		var curNode = xml.getElementsByTagName("currentId")[0];
		if(curNode.getAttribute('ParentId')){
			menu.currentItem = curNode.getAttribute('ParentId');
			var curNodeInfo = ['',curNode.getAttribute('TabName')];
			pg.breadCrumbs[pg.breadCrumbs.length] = curNodeInfo;
			menu.currentNode = curNode;
		}else{
			menu.currentItem = curNode.getAttribute('id');
		}
		createSubMenu(menu , menu.xml);
		if(menu.doCurrent)
			menu.currentItemOb.markCurrent(menu.currentItemCount, false);
		else
			pg.makeBreadCrumbs();
	}
}
function createMenuItem (parOb, node , mainMenuId){
	var a, submenu = true, childOb = false, tChildren = getChildren(node), newLi = false,
	num = parOb.childrenCount, img, images;
	var id = node.getAttribute('id');
	var type = node.getAttribute('Type');
	
	if( parOb.id === "PGMenu" ){
		a = $("#"+id);
		submenu = false;
	}else{
		newLi = document.createElement('dt');
		a = document.createElement('a');
		newLi.appendChild(a);
		a = $(a);
	}
	// clickabb1e newWindow image hideName
	var clickab1e	= type.substr(0,1);
	var newWindow	= type.substr(1,1);
	var imageButton	= type.substr(2,1);
	var hideName	= type.substr(3,1);
	(clickab1e === '1')? a.attr("href", node.getAttribute('click') ) : a.css("cursor", "default");
	if(newWindow === '1'){
		a.attr("target" , "_blank");
		a.attr("title" , menu.openNewString);
	}
	if(imageButton === '1'){
		images = [node.getAttribute('image')];
		if(submenu){
			img = document.createElement('img');
			a.append(img);
			$(img).attr("src", menu.imageRoot+images[0]);
		}else{
			img = a.firstChild;
		}
		if (node.getAttribute('moimage')){
			images[images.length] = node.getAttribute('moimage');
		}
	}
	if(hideName === '1'){
		a.css("padding", 0);
	}else{
		if(imageButton === '1')
			img.style.marginRight = 10+'px';
		if(submenu)
			a.html(menu.prefix + node.getAttribute( 'txt' ));
	}
	if(tChildren.length > 0){
		a.addClass("hasSub");
		childOb = createSubMenu(parOb, node);
	}
	a.bind('mouseover' , function(){ parOb.over(num)} );
	a.bind('mouseout' , function(){ parOb.out(num)} );
	if(id === menu.currentItem){
		menu.doCurrent = true;
		menu.currentItemCount = parOb.childrenCount;
		menu.currentItemOb = parOb;
	}
	parOb.addA( node , newLi , a , childOb , img , images);
}
function createSubMenu( pParent , pNode ){
	var nSub = object(pParent);
	var mainMenu = false;
	nSub.children = [];
	nSub.childrenCount = 0;
	nSub.nodes = [];
	nSub.a = [];
	nSub.li = [];
	nSub.img	= [];
	nSub.images = [];
	nSub.xmlNode = pNode;
	if(pNode.nodeName === 'PGMenu'){
		mainMenu = true;
		nSub.id = "PGMenu";
	}else{
		nSub.parent = pParent;
		nSub.id = pNode.getAttribute('id');
		var div = document.createElement('div');
		$(div).addClass("submenu");
		$(div).addClass("s"+howManyParents(nSub));
		nSub.container = div;
		var tempUl = document.createElement('dl');
		nSub.ul = tempUl;
		div.appendChild(tempUl);
		positionMenuElem( menu.container , div , 'b' );
		document.body.appendChild(div);
		$(nSub.container).hide();
	}
	var nChildren = getChildren(pNode);
	if( nChildren.length > 0 ){
		for (var i = 0, len = nChildren.length ; i < len ; i++){
			var tempId = false;
			if(mainMenu)
				tempId = nChildren[i].getAttribute('id');
			createMenuItem( nSub , nChildren[i] , tempId);
		}
	}
    return nSub;
}
