var isDOM = document.getElementById?1:0;
var isIE  = document.all?1:0;
var isNS4 = navigator.appName=='Netscape'&&!isDOM?1:0;
var isOp  = self.opera?1:0;
var isDyn = isDOM||isIE||isNS4;

function getRef(Id, parent){
	parent = !parent?document:parent.navigator?parent.document:parent;
	return isIE?parent.all[Id]:isDOM?(parent.getElementById?parent:parent.ownerDocument).getElementById(Id):isNS4?parent.layers[Id]:null
};

function getStyle(Id, parent){
	var r = getRef(Id, parent);
	return r?isNS4?r:r.style:null
};

if(!self.LayerObj) var LayerObj = new Function('Id', 'parent', 'this.ref=getRef(Id, parent); this.sty=getStyle(Id, parent); return this');

function getLayer(Id, parent) { return new LayerObj(Id, parent) };
function layerFunction(Id, func) { LayerObj.prototype[Id] = new Function('var arg = arguments, p = arg[0], px = isNS4||isOp?0:"px"; with(this) { '+func+' }') };

layerFunction('x', 'if(!isNaN(p)) sty.left = p+px; else return parseInt(sty.left)');
layerFunction('y', 'if(!isNaN(p)) sty.top = p+px; else return parseInt(sty.top)');

if(typeof addEvent != 'function'){
	var addEvent = function(o, t, f, l) {
		var d  = 'addEventListener';
		var n  = 'on'+t;
		var rO = o;
		var rT = t;
		var rF = f;
		var rL = l;
		if(o[d]&&!l) return o[d](t, f, false);
		if(!o._evts) o._evts = {};
		if(!o._evts[t]){
			o._evts[t] = o[n]?{ b:o[n] }:{};
			o[n] = new Function('e', 'var r = true, o = this, a = o._evts["'+t+'"], i; for(i in a) { o._f = a[i]; r = o._f(e||window.event) != false&&r; o._f = null } return r');
			if(t!='unload') addEvent(window, 'unload', function() { removeEvent(rO, rT, rF, rL) })
		}
		if(!f._i) f._i = addEvent._i++;
		o._evts[t][f._i] = f
	};

	addEvent._i = 1;
	var removeEvent = function(o,t,f,l){
		var d = 'removeEventListener';
		if(o[d]&&!l) return o[d](t, f, false);
		if(o._evts&&o._evts[t]&&f._i) delete o._evts[t][f._i]
	}
}

function XMenu(myName, nested, cssProp, cssVis, cssHid) {
	this.myName = myName;
	this.nested = nested;
	this.cssProp = cssProp;
	this.cssVis = cssVis;
	this.cssHid = cssHid;
	this.cssLitClass = 'highlighted';
	this.menus = { root:new XMenuNode('root', true, this) };
	this.menuToShow = [];
	this.mtsTimer = null;
	this.showDelay = 0;
	this.switchDelay = 125;
	this.hideDelay = 500;
	this.showOnClick = 0;
	this.hideOnClick = true;
	this.animInSpeed = 0.2;
	this.animOutSpeed = 0.2;
	this.animations = []
};

	XMenu.prototype.show = function(mN){
		with(this){
			menuToShow.length=arguments.length;
			for(var i=0; i<arguments.length; i++) menuToShow[i]=arguments[i];
			clearTimeout(mtsTimer);
			if(!nested)mtsTimer=setTimeout(myName+'.menus.root.over()',10)
		}
	};

	XMenu.prototype.hide = function(mN){
		with(this) {
			clearTimeout(mtsTimer);
			if(menus[mN]) menus[mN].out()
		}
	};
	
	XMenu.prototype.hideAll = function(){
		with(this) {
			for(var m in menus)
				if(menus[m].visible&&!menus[m].isRoot) menus[m].hide(true)
		}
	};
	
	function XMenuNode(id, isRoot, obj){
		this.id = id;
		this.isRoot = isRoot;
		this.obj = obj;
		this.lyr = this.child = this.par = this.timer = this.visible = null;
		this.args = [];
		var node = this;
		
		this.over = function(evt) {
			with(node)with(obj) {
				if(isNS4&&evt&&lyr.ref)lyr.ref.routeEvent(evt);
				clearTimeout(timer);
				clearTimeout(mtsTimer);
				if(!isRoot&&!visible)node.show();
				if(menuToShow.length){
					var a=menuToShow,m=a[0];
					if(!menus[m]||!menus[m].lyr.ref)menus[m]=new XMenuNode(m,false,obj);
					var c=menus[m];
					if(c==node){
						menuToShow.length=0;
						return
					}
					clearTimeout(c.timer);
					if(c!=child&&c.lyr.ref){
						c.args.length=a.length;
						for(var i=0; i<a.length; i++)c.args[i]=a[i];
						var delay=child?switchDelay:showDelay;
						c.timer=setTimeout('with('+myName+'){menus["'+c.id+'"].par=menus["'+node.id+'"];menus["'+c.id+'"].show()}',delay?delay:1)
					}
					menuToShow.length=0
				}
				if(!nested&&par)par.over()
			}
		};
	
		this.out = function(evt){
			with(node)
				with(obj) {
					if(isNS4&&evt&&lyr&&lyr.ref) lyr.ref.routeEvent(evt);
					clearTimeout(timer);
					if (!isRoot&&hideDelay >= 0) {
						timer = setTimeout(myName+'.menus["'+id+'"].hide()', hideDelay);
						if (!nested&&par) par.out()
					}
				}
		};
	
		if (this.id!='root')
			with(this)
				with(lyr=getLayer(id))
					if(ref) {
						if(isNS4) ref.captureEvents(Event.MOUSEOVER|Event.MOUSEOUT);
						addEvent(ref,'mouseover',this.over);
						addEvent(ref,'mouseout',this.out);
						if(obj.nested){
							addEvent(ref,'focus',this.over);
							addEvent(ref,'click',this.over);
							addEvent(ref,'blur',this.out)
						}
					}
	};
	
	XMenuNode.prototype.show=function(forced){
		with(this)with(obj){
			if(!lyr||!lyr.ref)return;
			if(par){
				if(par.child&&par.child!=this)par.child.hide();
				par.child=this
			}
			var offR=args[1],offX=args[2],offY=args[3],lX=0,lY=0,doX=''+offX!='undefined',doY=''+offY!='undefined';
			if(self.page&&offR&&(doX||doY)){
				with(page.elmPos(offR,par.lyr?par.lyr.ref:0))lX=x,lY=y;
				if(doX)lyr.x(lX+eval(offX));
				if(doY)lyr.y(lY+eval(offY))
			}
			if(offR)lightParent(offR,1);
			visible=1;
			if(obj.onshow)obj.onshow(id);
			lyr.ref.parentNode.style.zIndex='2';
			setVis(1,forced)
		}
	};
	
	XMenuNode.prototype.hide=function(forced){
		with(this)with(obj){
			if(!lyr||!lyr.ref||!visible)return;
			if(isNS4&&self.isMouseIn&&isMouseIn(lyr.ref))return show();
			if(args[1])lightParent(args[1],0);
			if(child)child.hide();
			if(par&&par.child==this)par.child=null;
			if(lyr){
				visible=0;
				if(obj.onhide)obj.onhide(id);
				lyr.ref.parentNode.style.zIndex='1';
				setVis(0,forced)
			}
		}
	};
	
	XMenuNode.prototype.lightParent=function(elm,lit){
		with(this)with(obj){
			if(!cssLitClass||isNS4)return;
			if(lit)elm.className+=(elm.className?' ':'')+cssLitClass;
			else elm.className=elm.className.replace(new RegExp('(\\s*'+cssLitClass+')+$'),'')
		}
	};
	
	XMenuNode.prototype.setVis=function(sh,forced){
		with(this)with(obj){
			if(lyr.forced&&!forced)return;
			lyr.forced=forced;
			lyr.timer=lyr.timer||0;
			lyr.counter=lyr.counter||0;
			with(lyr){
				clearTimeout(timer);
				if(sh&&!counter)sty[cssProp]=cssVis;
				var speed=sh?animInSpeed:animOutSpeed;
				if(isDOM&&speed<1) for(var a=0; a<animations.length; a++) animations[a](ref,counter,sh);
				counter+=speed*(sh?1:-1);
				if(counter>1){
					counter=1;
					lyr.forced=false
				} else if(counter<0){
					counter=0;
					sty[cssProp]=cssHid;
					lyr.forced=false
				} else if(isDOM){
					timer=setTimeout(myName+'.menus["'+id+'"].setVis('+sh+','+forced+')',50)
				}
			}
		}
	};
	
	XMenu.animSwipeDown=function(ref,counter,show){
		if(show&&(counter==0)){
			ref._fsm_styT=ref.style.top;
			ref._fsm_styMT=ref.style.marginTop;
			ref._fsm_offT=ref.offsetTop||0
		}
		var cP=Math.pow(Math.sin(Math.PI*counter/2),0.75);
		var clipY=ref.offsetHeight*(1-cP);
		ref.style.clip=(counter==1?((window.opera||navigator.userAgent.indexOf('KHTML')>-1)?'':'rect(auto,auto,auto,auto)'):'rect('+clipY+'px,'+ref.offsetWidth+'px,'+ref.offsetHeight+'px,0)');
		if(counter==1||(counter<0.01&&!show)){
			ref.style.top=ref._fsm_styT;
			ref.style.marginTop=ref._fsm_styMT
		} else {
			ref.style.top=((0-clipY)+(ref._fsm_offT))+'px';
			ref.style.marginTop='0'
		}
	};
	
	XMenu.animFade=function(ref,counter,show){
		var done=(counter==1);
		if(ref.filters){
			var alpha=!done?' alpha(opacity='+parseInt(counter*100)+')':'';
			if(ref.style.filter.indexOf("alpha")==-1)ref.style.filter+=alpha;
			else ref.style.filter=ref.style.filter.replace(/\s*alpha\([^\)]*\)/i,alpha)
		} else ref.style.opacity=ref.style.MozOpacity=counter/1.001
	};
	
	XMenu.animClipDown=function(ref,counter,show){
		var cP=Math.pow(Math.sin(Math.PI*counter/2),0.75);
		ref.style.clip=(counter==1?((window.opera||navigator.userAgent.indexOf('KHTML')>-1)?'':'rect(auto,auto,auto,auto)'):'rect(0,'+ref.offsetWidth+'px,'+(ref.offsetHeight*cP)+'px,0)')
	};
	
	XMenu.prototype.activateMenu=function(id,subInd){
		with(this){
			if(!isDOM||!document.documentElement)return;
			var fsmFB=getRef('XMenu-fallback');
			if(fsmFB){
				fsmFB.rel='alternate stylesheet';
				fsmFB.disabled=true
			}
			var a,ul,li,parUL,mRoot=getRef(id),nodes,count=1;
			var lists=mRoot.getElementsByTagName('ul');
			for(var i=0; i<lists.length; i++){
				li=ul=lists[i];
				while(li){
					if(li.nodeName.toLowerCase()=='li')break;
					li=li.parentNode}if(!li)continue;
					parUL=li;
					while(parUL){
						if(parUL.nodeName.toLowerCase()=='ul')break;
						parUL=parUL.parentNode
					}
					a=null;
					for(var j=0; j<li.childNodes.length; j++) if(li.childNodes[j].nodeName.toLowerCase()=='a')a=li.childNodes[j];
					if(!a)continue;
					var menuID=myName+'-id-'+count++;
					if(ul.id)menuID=ul.id;
					else ul.setAttribute('id',menuID);

					var sOC=(showOnClick==1&&li.parentNode==mRoot)||(showOnClick==2);
					var evtProp=navigator.userAgent.indexOf('Safari')>-1||isOp?'safRtnVal':'returnValue';
					var eShow=new Function('with('+myName+'){var m=menus["'+menuID+'"],pM=menus["'+parUL.id+'"];'+(sOC?'if((pM&&pM.child)||(m&&m.visible))':'')+' show("'+menuID+'",this)}');
					var eHide=new Function('e','if(e.'+evtProp+'!=false)'+myName+'.hide("'+menuID+'")');
					addEvent(a,'mouseover',eShow);
					addEvent(a,'focus',eShow);
					addEvent(a,'mouseout',eHide);
					addEvent(a,'blur',eHide);
					if(sOC)addEvent(a,'click',new Function('e',myName+'.show("'+menuID+'",this);if(e.cancelable&&e.preventDefault)e.preventDefault();e.'+evtProp+'=false;return false'));
					if(subInd)a.insertBefore(subInd.cloneNode(true),a.firstChild)
				}
				
				if(isIE&&!isOp){
					var aNodes=mRoot.getElementsByTagName('a');
					for(var i=0; i<aNodes.length; i++){
						addEvent(aNodes[i],'focus',new Function('e','var node=this.parentNode;while(node){if(node.onfocus)node.onfocus(e);node=node.parentNode}'));
						addEvent(aNodes[i],'blur',new Function('e','var node=this.parentNode;while(node){if(node.onblur)node.onblur(e);node=node.parentNode}'))
					}
				}
				if(hideOnClick)addEvent(mRoot,'click',new Function(myName+'.hideAll()'));
				menus[id]=new XMenuNode(id,true,this)
			}
		};
		
		var page = {
			win:self,minW:0,minH:0,MS:isIE&&!isOp,db:document.compatMode&&document.compatMode.indexOf('CSS')>-1?'documentElement':'body'
		};
		page.elmPos=function(e,p){var x=0,y=0,w=p?p:this.win;
		e=e?(e.substr?(isNS4?w.document.anchors[e]:getRef(e,w)):e):p;
		if(isNS4){
			if(e&&(e!=p)){
				x=e.x;
				y=e.y
			};
			if(p){
				x+=p.pageX;
				y+=p.pageY
			}
		}
				
		if(e&&this.MS&&navigator.platform.indexOf('Mac')>-1&&e.tagName=='A'){
			e.onfocus=new Function('with(event){self.tmpX=clientX-offsetX;self.tmpY=clientY-offsetY}');
			e.focus();
			x=tmpX;
			y=tmpY;
			e.blur()
		} else while(e){
			x+=e.offsetLeft;
			y+=e.offsetTop;
			e=e.offsetParent
		}
		return {
			x:x,y:y
		}
	};

	if(isNS4){
		var fsmMouseX,fsmMouseY,fsmOR=self.onresize,nsWinW=innerWidth,nsWinH=innerHeight;
		document.fsmMM=document.onmousemove;
		self.onresize=function(){
			if(fsmOR)fsmOR();
			if(nsWinW!=innerWidth||nsWinH!=innerHeight)location.reload()
		};
		document.captureEvents(Event.MOUSEMOVE);
		document.onmousemove=function(e){
			fsmMouseX=e.pageX;
			fsmMouseY=e.pageY;
			return document.fsmMM?document.fsmMM(e):document.routeEvent(e)
		};

		function isMouseIn(sty){
			with(sty) return((fsmMouseX>left)&&(fsmMouseX<left+clip.width)&&(fsmMouseY>top)&&(fsmMouseY<top+clip.height))
		}
}