/*

FREESTYLE MENUS v1.0 RC (c) 2001-2006 Angus Turnbull, http://www.twinhelix.com
Altering this notice or redistributing this file is prohibited.

*/

var isDOM=document.getElementById?1:0,isIE=document.all?1:0,isNS4=navigator.appName=='Netscape'&&!isDOM?1:0,isOp=self.opera?1:0,isDyn=isDOM||isIE||isNS4;
function getRef(i,p){
	p=!p?document:p.navigator?p.document:p;
	return isIE?p.all[i]:isDOM?(p.getElementById?p:p.ownerDocument).getElementById(i):isNS4?p.layers[i]:null
};
function getSty(i,p){
	var r=getRef(i,p);
	return r?isNS4?r:r.style:null
};

if(!self.LayerObj)
	var LayerObj=new Function('i','p','this.ref=getRef(i,p);this.sty=getSty(i,p);return this');
function getLyr(i,p){
	return new LayerObj(i,p)
};
function LyrFn(n,f){
	LayerObj.prototype[n]=new Function('var a=arguments,p=a[0],px=isNS4||isOp?0:"px";with(this){'+f+'}')
};
LyrFn('x','if(!isNaN(p))sty.left=p+px;else return parseInt(sty.left)');
LyrFn('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',n='on'+t,rO=o,rT=t,rF=f,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 FSMenu(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 FSMenuNode('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=[]
};
FSMenu.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)
	}
};
FSMenu.prototype.hide=function(mN){
	with(this){
		clearTimeout(mtsTimer);
		if(menus[mN])
			menus[mN].out()
	}
};
FSMenu.prototype.hideAll=function(){
	with(this){
		for(var m in menus)
			if(menus[m].visible&&!menus[m].isRoot)
				menus[m].hide(true)
	}
};
function FSMenuNode(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 FSMenuNode(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=getLyr(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)
					}
				}
};

FSMenuNode.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)
		}
};
FSMenuNode.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)
			}
		}
};
FSMenuNode.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+')+$'),'')
		}
};
FSMenuNode.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)
					}
			}
		}
};
FSMenu.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'
	}
};
FSMenu.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
};
FSMenu.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)')
};
FSMenu.prototype.activateMenu=function(id,subInd){
	with(this){
		if(!isDOM||!document.documentElement)
			return;
		var fsmFB=getRef('fsmenu-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 FSMenuNode(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))
	}
}