/*

 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))
    }
}
