/*

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))
    }
}