/*

FREESTYLE MENUS v1.0 RC (c) 2001-2005 Angus Turnbull, http://www.twinhelix.com
Altering this notice or redistributing this file is prohibited.

*/

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(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)');

function addEvent(o,n,f,l)
{
 var a='addEventListener';
 var h='on'+n;
 if (o[a]&&!l)
  return o[a](n,f,false);
 if (o[h])
 {
  o._c|=0;
  var b='_b'+(++o._c);
  o[b]=o[h]
 }
 o[h]=function(e) 
 {
  e=e||self.event;
  var r=true;
  if (o[b]) 
   r=o[b](e)!=false && r;
  o._f=f;
  r=o._f(e)!=false && r;
  return r;
 }
};

function FSMenu(myName,nested,cssProp,cssVis,cssHid)
{
 this.myName=myName;
 this.nested=nested;
 this.cssProp=cssProp;
 this.cssVis=cssVis;
 this.cssHid=cssHid;
 this.cssLitClass='';
 this.menus={root:new FSMenuNode('root',true,this)};
 this.menuToShow=[];
 this.mtsTimer=null;
 this.showDelay=0;
 this.switchDelay=0;
 this.hideDelay=1000;
 this.showOnClick=0;
 this.animations=[];
 this.animSpeed=100;
};

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();
 }
};

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
     var 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)
   {
    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()
{
 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];
  var offX=args[2];
  var offY=args[3];
  var lX=0;
  var lY=0;
  var doX=''+offX!='undefined';
  var 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);
  setVis(1);
 }
};
FSMenuNode.prototype.hide=function()
{
 with(this)with(obj)
 {
  if (!lyr||!lyr.ref)
   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;
  par=null;
  if (lyr)
  {
   visible=0;
   if (obj.onhide)
    obj.onhide(id);
   setVis(0);
  }
 }
};
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)
{
 with(this)with(obj)
 {
  lyr.timer|=0;
  lyr.counter|=0;
  with(lyr)
  {
   clearTimeout(timer);
   if (sh&&!counter)
    sty[cssProp]=cssVis;
   if (isDOM&&animSpeed<100)
    for(var a=0;a<animations.length;a++)
     animations[a](ref,counter);
   counter+=animSpeed*(sh?1:-1);
   if (counter>100)
   {
    counter=100;
   }
   else if (counter<=0)
   {
    counter=0;
    sty[cssProp]=cssHid;
   }
   else if(isDOM)
    timer=setTimeout(myName+'.menus["'+id+'"].setVis('+sh+')',50);
  }
 }
};
FSMenu.prototype.activateMenu=function(id,subInd)
{
 with(this)
 {
  if (!isDOM)
   return;
  var a,ul,li;
  var mRoot=getRef(id);
  var nodes,count=1;
  if(isIE)
  {
   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)setTimeout(node.onfocus,1,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}'));
   }
  }
  // bug is here
  var lists=mRoot.getElementsByTagName('ul');
  //var lists=document.getElementsByTagName('ul');
  //alert(lists.length);
  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;
   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 eShow=new Function('with('+myName+'){'+(sOC?'if(menus["'+menuID+'"]&&menus["'+menuID+'"].visible)':'')+' show("'+menuID+'",this)}');
   var eHide=new Function(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();return false'));
   if (subInd)
    a.insertBefore(subInd.cloneNode(true),a.firstChild);
  }
  menus[id]=new FSMenuNode(id,true,this);
 }
};
if (!self.page)
var page={win:self,minW:0,minH:0,MS:isIE&&!isOp};
page.elmPos=function(e,p)
{
 var x=0;
 var y=0;
 var 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;
 var fsmMouseY;
 var fsmOR=self.onresize;
 var nsWinW=innerWidth;
 var 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));
  }
}