/* CUSTOMIZED */
//** All Levels Navigational Menu- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com
//** Script Download/ instructions page: http://www.dynamicdrive.com/dynamicindex1/ddlevelsmenu/
//** Usage Terms: http://www.dynamicdrive.com/notice.htm

//** Current version: 3.02 See changelog.txt for details

if (typeof dd_domreadycheck=="undefined") //global variable to detect if DOM is ready
    var dd_domreadycheck=false;

var ddlevelsmenu={
    enableshim: true, //enable IFRAME shim to prevent drop down menus from being hidden below SELECT or FLASH elements? (tip: disable if not in use, for efficiency)

    arrowpointers:{
        downarrow: ["ddlevelsfiles/arrow-down.gif", 11,7], //[path_to_down_arrow, arrowwidth, arrowheight]
        rightarrow: ["ddlevelsfiles/arrow-right.gif", 12,12], //[path_to_right_arrow, arrowwidth, arrowheight]
        showarrow: {toplevel: false, sublevel: false} //Show arrow images on top level items and sub level items, respectively?
    },
    hideinterval: 200, //delay in milliseconds before entire menu disappears onmouseout.
    effects: {enableswipe: true, enableslide: true, enablefade: true, duration: 200},
    httpsiframesrc: "blank.htm", //If menu is run on a secure (https) page, the IFRAME shim feature used by the script should point to an *blank* page *within* the secure area to prevent an IE security prompt. Specify full URL to that page on your server (leave as is if not applicable).

///No need to edit beyond here////////////////////

    topmenuids: [], //array containing ids of all the primary menus on the page
    topitems: {}, //object array containing all top menu item links
    subuls: {}, //object array containing all ULs
    lastactivesubul: {}, //object object containing info for last mouse out menu item's UL
    topitemsindex: -1,
    ulindex: -1,
    hidetimers: {}, //object array timer
    shimadded: false,
    nonFF: !/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent), //detect non FF browsers
    ismobile:navigator.userAgent.match(/(iPad)|(iPhone)|(iPod)|(android)|(webOS)/i) != null, //boolean check for popular mobile browsers

    getoffset:function(what, offsettype){
        return (what.offsetParent)? what[offsettype]+this.getoffset(what.offsetParent, offsettype) : what[offsettype]
    },

    getoffsetof:function(el){
        el._offsets={left:this.getoffset(el, "offsetLeft"), top:this.getoffset(el, "offsetTop")}
    },

    getwindowsize:function(){
        this.docwidth=window.innerWidth? window.innerWidth-10 : this.standardbody.clientWidth-10;
        this.docheight=window.innerHeight? window.innerHeight-15 : this.standardbody.clientHeight-18;
    },

    gettopitemsdimensions:function(){
        for (var m=0; m<this.topmenuids.length; m++){
            var topmenuid=this.topmenuids[m];
            for (var i=0; i<this.topitems[topmenuid].length; i++){
                var header=this.topitems[topmenuid][i];
                var submenu=document.getElementById(header.getAttribute('rel'));
                header._dimensions={w:header.offsetWidth, h:header.offsetHeight, submenuw:submenu.offsetWidth, submenuh:submenu.offsetHeight}
            }
        }
    },

    isContained:function(m, e){
        var e=window.event || e;
        var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement);
        while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
        if (c==m)
            return true;
        else
            return false;
    },

    addpointer:function(target, spanclass, /*spaninfo,*/ BeforeorAfter){
        var pointer=document.createElement("span");
//	pointer.src=imginfo[0]
        pointer.innerHTML = '&raquo;';
//	pointer.style.width=spaninfo[1]+"px";
//	pointer.style.height=spaninfo[2]+"px";
//	if(spanclass=="rightarrowpointer"){
//		pointer.style.left=target.offsetWidth-spaninfo[2]-2+"px";
//	}
        pointer.className=spanclass;
        var target_firstEl=target.childNodes[target.firstChild.nodeType!=1? 1 : 0]; //see if the first child element within A is a SPAN (found in sliding doors technique)
        if (target_firstEl && target_firstEl.tagName=="SPAN"){
            target=target_firstEl; //arrow should be added inside this SPAN instead if found
        }
        if (BeforeorAfter=="before")
            target.insertBefore(pointer, target.firstChild);
        else
            target.appendChild(pointer);
    },

    css:function(el, targetclass, action){
        var needle=new RegExp("(^|\\s+)"+targetclass+"($|\\s+)", "ig");
        if (action=="check")
            return needle.test(el.className);
        else if (action=="remove")
            el.className=el.className.replace(needle, "");
        else if (action=="add" && !needle.test(el.className))
            el.className+=" "+targetclass;
    },

    addshimmy:function(target){
        var shim=(!window.opera)? document.createElement("iframe") : document.createElement("div"); //Opera 9.24 doesnt seem to support transparent IFRAMEs
        shim.className="ddiframeshim";
        shim.setAttribute("src", location.protocol=="https:"? this.httpsiframesrc : "about:blank");
        shim.setAttribute("frameborder", "0");
        target.appendChild(shim);
        try{
            shim.style.filter='progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)';
        }
        catch(e){}
        return shim;
    },

    positionshim:function(header, submenu, dir, scrollX, scrollY){
        if (header._istoplevel){
            var scrollY=window.pageYOffset? window.pageYOffset : this.standardbody.scrollTop;
            var topgap=header._offsets.top-scrollY;
            var bottomgap=scrollY+this.docheight-header._offsets.top-header._dimensions.h;
            if (topgap>0){
                this.shimmy.topshim.style.left=scrollX+"px";
                this.shimmy.topshim.style.top=scrollY+"px";
                this.shimmy.topshim.style.width="99%";
                this.shimmy.topshim.style.height=topgap+"px"; //distance from top window edge to top of menu item
            }
            if (bottomgap>0){
                this.shimmy.bottomshim.style.left=scrollX+"px";
                this.shimmy.bottomshim.style.top=header._offsets.top + header._dimensions.h +"px";
                this.shimmy.bottomshim.style.width="99%";
                this.shimmy.bottomshim.style.height=bottomgap+"px"; //distance from bottom of menu item to bottom window edge
            }
        }
    },

    hideshim:function(){
        this.shimmy.topshim.style.width=this.shimmy.bottomshim.style.width=0;
        this.shimmy.topshim.style.height=this.shimmy.bottomshim.style.height=0;
    },


    buildmenu:function(mainmenuid, header, submenu, submenupos, istoplevel, dir){
        header._master=mainmenuid; //Indicate which top menu this header is associated with
        header._pos=submenupos; //Indicate pos of sub menu this header is associated with
        header._istoplevel=istoplevel;
        if (istoplevel && !ddlevelsmenu.ismobile){
            this.addEvent(header, function(e){
                ddlevelsmenu.hidemenu(ddlevelsmenu.subuls[this._master][parseInt(this._pos)].parentNode)
            }, "click");
        }
        this.subuls[mainmenuid][submenupos]=submenu;
        header._dimensions={w:header.offsetWidth, h:header.offsetHeight, submenuw:submenu.offsetWidth, submenuh:submenu.offsetHeight};
        this.getoffsetof(header);
        submenu.parentNode.style.left=0;
        submenu.parentNode.style.top=0;
        submenu.parentNode.style.visibility="hidden";
        submenu.style.visibility="hidden";
        this.addEvent(header, function(e){ //mouseover event
            if (ddlevelsmenu.ismobile || !ddlevelsmenu.isContained(this, e)){
                var submenu=ddlevelsmenu.subuls[this._master][parseInt(this._pos)];
                if (this._istoplevel){
                    ddlevelsmenu.css(this, "selected", "add");
                    clearTimeout(ddlevelsmenu.hidetimers[this._master][this._pos]);
                }
                ddlevelsmenu.getoffsetof(header);
                var scrollX=window.pageXOffset? window.pageXOffset : ddlevelsmenu.standardbody.scrollLeft;
                var scrollY=window.pageYOffset? window.pageYOffset : ddlevelsmenu.standardbody.scrollTop;
                var submenurightedge=this._offsets.left + this._dimensions.submenuw + (this._istoplevel && dir=="topbar"? 0 : this._dimensions.w);
                var submenubottomedge=this._offsets.top + this._dimensions.submenuh;
                //Sub menu starting left position
                var menuleft=(this._istoplevel? this._offsets.left + (dir=="sidebar"? this._dimensions.w : 0) : this._dimensions.w);
                if (submenurightedge-scrollX>ddlevelsmenu.docwidth){
                    menuleft+= -this._dimensions.submenuw + (this._istoplevel && dir=="topbar" ? this._dimensions.w : -this._dimensions.w);
                }
                submenu.parentNode.style.left=menuleft+"px";
                //Sub menu starting top position
                var menutop=(this._istoplevel? this._offsets.top + (dir=="sidebar"? 0 : this._dimensions.h) : this.offsetTop);
                if (submenubottomedge-scrollY>ddlevelsmenu.docheight){ //no room downwards?
                    if (this._dimensions.submenuh<this._offsets.top+(dir=="sidebar"? this._dimensions.h : 0)-scrollY){ //move up?
                        menutop+= - this._dimensions.submenuh + (this._istoplevel && dir=="topbar"? -this._dimensions.h : this._dimensions.h);
                    }
                    else{ //top of window edge
                        menutop+= -(this._offsets.top-scrollY) + (this._istoplevel && dir=="topbar"? -this._dimensions.h : 0);
                    }
                }
                submenu.parentNode.style.top=menutop+"px";
                if (ddlevelsmenu.enableshim && (ddlevelsmenu.effects.enableswipe==false || ddlevelsmenu.nonFF)){ //apply shim immediately only if animation is turned off, or if on, in non FF2.x browsers
                    ddlevelsmenu.positionshim(header, submenu, dir, scrollX, scrollY);
                }
                else{
                    submenu.FFscrollInfo={x:scrollX, y:scrollY};
                }
                if(ddlevelsmenu.ismobile){
                    var stopEventPropagation = true;
                    if(submenu.style.visibility == 'hidden'){
                        ddlevelsmenu.showmenu(header, submenu, dir);
                    }else{
                        var parentHref = submenu.getAttribute("data-href");
                        if(!parentHref){
                            ddlevelsmenu.hidemenu(submenu.parentNode);
                        }else{
                            stopEventPropagation = false;
                        }
                    }
                    if (stopEventPropagation && (header._istoplevel || e.target.parentNode.getElementsByTagName('ul').length>0)){ //if user clicks on a header (instead of a menu item)
                        e.preventDefault();
                        e.stopPropagation();
                    }
                }else{
                    ddlevelsmenu.showmenu(header, submenu, dir);
                    if (e.preventDefault){
                        e.preventDefault();
                    }
                    if (e.stopPropagation){
                        e.stopPropagation();
                    }
                }

//            ddlevelsmenu.showmenu(header, submenu, dir);
//			if (!ddlevelsmenu.ismobile){
//				if (e.preventDefault)
//					e.preventDefault();
//				if (e.stopPropagation)
//					e.stopPropagation();
//			}
//			else{ //if is mobile
//				if (header._istoplevel || e.target.parentNode.getElementsByTagName('ul').length>0){ //if user clicks on a header (instead of a menu item)
//					e.preventDefault();
//					e.stopPropagation();
//				}
//			}
            }
        }, (this.ismobile)? "click" : "mouseover");
        this.addEvent(header, function(e){ //mouseout event
            var submenu=ddlevelsmenu.subuls[this._master][parseInt(this._pos)];
            if (this._istoplevel){
                if (!ddlevelsmenu.isContained(this, e) && !ddlevelsmenu.isContained(submenu.parentNode, e)) //hide drop down div if mouse moves out of menu bar item but not into drop down div itself
                    ddlevelsmenu.hidemenu(submenu.parentNode);
            }
            else if (!this._istoplevel && !ddlevelsmenu.isContained(this, e)){
                ddlevelsmenu.hidemenu(submenu.parentNode);
            }

        }, "mouseout")
    },

    setopacity:function(el, value){
        el.style.opacity=value;
        if (typeof el.style.opacity!="string"){ //if it's not a string (ie: number instead), it means property not supported
            el.style.MozOpacity=value;
            try{
                if (el.filters){
                    el.style.filter="progid:DXImageTransform.Microsoft.alpha(opacity="+ value*100 +")";
                }
            } catch(e){}
        }
    },

    showmenu:function(header, submenu, dir){
        if (this.effects.enableswipe || this.effects.enablefade){
            if (this.effects.enableswipe){
                var endpoint=(header._istoplevel && dir=="topbar")? header._dimensions.submenuh : header._dimensions.submenuw;
                submenu.parentNode.style.width=submenu.parentNode.style.height=0;
                submenu.parentNode.style.overflow="hidden";
            }
            if (this.effects.enablefade){
                submenu.parentNode.style.width=submenu.offsetWidth+"px";
                submenu.parentNode.style.height=submenu.offsetHeight+"px";
                this.setopacity(submenu.parentNode, 0); //set opacity to 0 so menu appears hidden initially
            }
            submenu._curanimatedegree=0;
            submenu.parentNode.style.visibility="visible";
            submenu.style.visibility="visible";
            clearInterval(submenu._animatetimer);
            submenu._starttime=new Date().getTime(); //get time just before animation is run
            submenu._animatetimer=setInterval(function(){ddlevelsmenu.revealmenu(header, submenu, endpoint, dir)}, 10);
        }
        else{
            submenu.parentNode.style.visibility="visible";
            submenu.style.visibility="visible";
        }
    },

    revealmenu:function(header, submenu, endpoint, dir){
        var elapsed=new Date().getTime()-submenu._starttime; //get time animation has run
        if (elapsed<this.effects.duration){
            if (this.effects.enableswipe){
                if (submenu._curanimatedegree==0){ //reset either width or height of sub menu to "auto" when animation begins
                    submenu.parentNode.style[header._istoplevel && dir=="topbar"? "width" : "height"]=(header._istoplevel && dir=="topbar"? submenu.offsetWidth : submenu.offsetHeight)+"px";
                }
                submenu.parentNode.style[header._istoplevel && dir=="topbar"? "height" : "width"]=(submenu._curanimatedegree*endpoint)+"px";
                if (this.effects.enableslide){
                    submenu.style[header._istoplevel && dir=="topbar"? "top" : "left"]=Math.floor((submenu._curanimatedegree-1)*endpoint)+"px";
                }
            }
            if (this.effects.enablefade){
                this.setopacity(submenu.parentNode, submenu._curanimatedegree);
            }
        }
        else{
            clearInterval(submenu._animatetimer);
            if (this.effects.enableswipe){
                submenu.parentNode.style.width=submenu.offsetWidth+"px";
                submenu.parentNode.style.height=submenu.offsetHeight+"px";
                submenu.parentNode.style.overflow="visible";
                if (this.effects.enableslide){
                    submenu.style.top=0;
                    submenu.style.left=0;
                }
            }
            if (this.effects.enablefade){
                this.setopacity(submenu.parentNode, 1);
                submenu.parentNode.style.filter="";
            }
            if (this.enableshim && submenu.FFscrollInfo) //if this is FF browser (meaning shim hasn't been applied yet
                this.positionshim(header, submenu, dir, submenu.FFscrollInfo.x, submenu.FFscrollInfo.y);
        }
        submenu._curanimatedegree=(1-Math.cos((elapsed/this.effects.duration)*Math.PI)) / 2
    },

    hidemenu:function(submenu){
        if (typeof submenu._pos!="undefined"){ //if submenu is outermost DIV drop down menu
            this.css(this.topitems[submenu._master][parseInt(submenu._pos)], "selected", "remove");
            if (this.enableshim)
                this.hideshim();
        }
        clearInterval(submenu.firstChild._animatetimer);
        submenu.style.left=0;
        submenu.style.top="-1000px";
        submenu.style.visibility="hidden";
        submenu.firstChild.style.visibility="hidden";
    },


    addEvent:function(target, functionref, tasktype) {
        if (target.addEventListener)
            target.addEventListener(tasktype, functionref, false);
        else if (target.attachEvent)
            target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)});
    },

    domready:function(functionref){ //based on code from the jQuery library
        if (dd_domreadycheck){
            functionref();
            return;
        }
        // Mozilla, Opera and webkit nightlies currently support this event
        if (document.addEventListener) {
            // Use the handy event callback
            document.addEventListener("DOMContentLoaded", function(){
                document.removeEventListener("DOMContentLoaded", arguments.callee, false );
                functionref();
                dd_domreadycheck=true;
            }, false )
        }
        else if (document.attachEvent){
            // If IE and not an iframe
            // continually check to see if the document is ready
            if ( document.documentElement.doScroll && window == window.top) (function(){
                if (dd_domreadycheck){
                    functionref();
                    return;
                }
                try{
                    // If IE is used, use the trick by Diego Perini
                    // http://javascript.nwbox.com/IEContentLoaded/
                    document.documentElement.doScroll("left")
                }catch(error){
                    setTimeout( arguments.callee, 0);
                    return;
                }
                //and execute any waiting functions
                functionref();
                dd_domreadycheck=true;
            })();
        }
        if (document.attachEvent && parent.length>0) //account for page being in IFRAME, in which above doesn't fire in IE
            this.addEvent(window, function(){functionref()}, "load");
    },


    init:function(mainmenuid, dir){
        this.enableshim = !this.ismobile; //disable iframe for mobiles
        this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body;
        this.topitemsindex=-1;
        this.ulindex=-1;
        this.topmenuids.push(mainmenuid);
        this.topitems[mainmenuid]=[]; //declare array on object
        this.subuls[mainmenuid]=[]; //declare array on object
        this.hidetimers[mainmenuid]=[]; //declare hide entire menu timer
        if (this.enableshim && !this.shimadded){
            this.shimmy={};
            this.shimmy.topshim=this.addshimmy(document.body); //create top iframe shim obj
            this.shimmy.bottomshim=this.addshimmy(document.body); //create bottom iframe shim obj
            this.shimadded=true
        }
        var menubar=document.getElementById(mainmenuid);
        var alllinks=menubar.getElementsByTagName("a");
        this.getwindowsize();
        for (var i=0; i<alllinks.length; i++){
            if (alllinks[i].getAttribute('rel')){
                var parentHref = alllinks[i].getAttribute('href');
                this.topitemsindex++;
                this.ulindex++;
                var menuitem=alllinks[i];
                this.topitems[mainmenuid][this.topitemsindex]=menuitem; //store ref to main menu links
                var dropul=document.getElementById(menuitem.getAttribute('rel'));
                if(parentHref != '#'){
                    dropul.setAttribute("data-href", parentHref);
                }
                var shelldiv=document.createElement("div"); // create DIV which will contain the UL
                shelldiv.className="ddsubmenustyle";
                dropul.removeAttribute("class");
                shelldiv.appendChild(dropul);
                document.body.appendChild(shelldiv); //move main DIVs to end of document
                shelldiv.style.zIndex=2000; //give drop down menus a high z-index
                shelldiv._master=mainmenuid;  //Indicate which main menu this main DIV is associated with
                shelldiv._pos=this.topitemsindex; //Indicate which main menu item this main DIV is associated with
                this.addEvent(shelldiv, function(){ddlevelsmenu.hidemenu(this)}, "click");
                var arrowclass=(dir=="sidebar")? "rightarrowpointer" : "downarrowpointer";
//			var arrowpointer=(dir=="sidebar")? this.arrowpointers.rightarrow : this.arrowpointers.downarrow;
                if (this.arrowpointers.showarrow.toplevel)
                    this.addpointer(menuitem, arrowclass, /*arrowpointer,*/ (dir=="sidebar")? "before" : "after");
                this.buildmenu(mainmenuid, menuitem, dropul, this.ulindex, true, dir); //build top level menu
                shelldiv.onmouseover=function(){
                    clearTimeout(ddlevelsmenu.hidetimers[this._master][this._pos]);
                };
                this.addEvent(shelldiv, function(e){ //hide menu if mouse moves out of main DIV element into open space
                    if (!ddlevelsmenu.isContained(this, e) && !ddlevelsmenu.isContained(ddlevelsmenu.topitems[this._master][parseInt(this._pos)], e)){
                        var dropul=this;
                        if (ddlevelsmenu.enableshim)
                            ddlevelsmenu.hideshim();
                        ddlevelsmenu.hidetimers[this._master][this._pos]=setTimeout(function(){
                            ddlevelsmenu.hidemenu(dropul);
                        }, ddlevelsmenu.hideinterval)
                    }
                }, "mouseout");
                var subuls=dropul.getElementsByTagName("ul");
                for (var c=0; c<subuls.length; c++){
                    this.ulindex++;
                    var parentli=subuls[c].parentNode;
                    var parentliLinks=parentli.getElementsByTagName('a');
                    if(parentliLinks.length>0){
                        var parentLiLinkHref = parentliLinks[0].getAttribute('href');
                        if(parentLiLinkHref != '#'){
                            subuls[c].setAttribute("data-href", parentLiLinkHref);
                        }
                    }
                    var subshell=document.createElement("div");
                    subshell.appendChild(subuls[c]);
                    parentli.appendChild(subshell);
                    if (this.arrowpointers.showarrow.sublevel)
                        this.addpointer(parentli.getElementsByTagName("a")[0], "rightarrowpointer", /*this.arrowpointers.rightarrow,*/ "before");
                    this.buildmenu(mainmenuid, parentli, subuls[c], this.ulindex, false, dir); //build sub level menus
                }
            }
        } //end for loop
        this.addEvent(window, function(){ddlevelsmenu.getwindowsize(); ddlevelsmenu.gettopitemsdimensions()}, "resize");
    },

    setup:function(mainmenuid, dir){
        this.domready(function(){ddlevelsmenu.init(mainmenuid, dir)});
    }

};