var persisteduls = new Object()
var ddtreemenu = new Object()

ddtreemenu.closefolder = "/img/menu/closed.gif" //set image path to "closed" folder image
ddtreemenu.openfolder = "/img/menu/open.gif" //set image path to "open" folder image

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

ddtreemenu.createTree = function (treeid, enablepersist, persistdays) {
    var ultags = document.getElementById(treeid).getElementsByTagName("ul")
    if (typeof persisteduls[treeid] == "undefined")
        persisteduls[treeid] = (enablepersist == true && ddtreemenu.getCookie(treeid) != "") ? ddtreemenu.getCookie(treeid).split(",") : ""
    for (var i = 0; i < ultags.length; i++)
        ddtreemenu.buildSubTree(treeid, ultags[i], i)
    if (enablepersist == true) { //if enable persist feature
        var durationdays = (typeof persistdays == "undefined") ? 1 : parseInt(persistdays)
        ddtreemenu.dotask(window, function () { ddtreemenu.rememberstate(treeid, durationdays) }, "unload") //save opened UL indexes on body unload
    }
}

ddtreemenu.buildSubTree = function (treeid, ulelement, index) {
    ulelement.parentNode.className = "submenu"
    if (typeof persisteduls[treeid] == "object") { //if cookie exists (persisteduls[treeid] is an array versus "" string)
        if (ddtreemenu.searcharray(persisteduls[treeid], index)) {
            ulelement.setAttribute("rel", "open")
            ulelement.style.display = "block"
            ulelement.parentNode.style.backgroundImage = "url(" + ddtreemenu.openfolder + ")"
        }
        else
            ulelement.setAttribute("rel", "closed")
    } //end cookie persist code
    else if (ulelement.getAttribute("rel") == null || ulelement.getAttribute("rel") == false) //if no cookie and UL has NO rel attribute explicted added by user
        ulelement.setAttribute("rel", "closed")
    else if (ulelement.getAttribute("rel") == "open") //else if no cookie and this UL has an explicit rel value of "open"
        ddtreemenu.expandSubTree(treeid, ulelement) //expand this UL plus all parent ULs (so the most inner UL is revealed!)
    ulelement.parentNode.onclick = function (e) {
        var submenu = this.getElementsByTagName("ul")[0]
        if (submenu.getAttribute("rel") == "closed") {
            submenu.style.display = "block"
            submenu.setAttribute("rel", "open")
            ulelement.parentNode.style.backgroundImage = "url(" + ddtreemenu.openfolder + ")"
        }
        else if (submenu.getAttribute("rel") == "open") {
            submenu.style.display = "none"
            submenu.setAttribute("rel", "closed")
            ulelement.parentNode.style.backgroundImage = "url(" + ddtreemenu.closefolder + ")"
        }
        ddtreemenu.preventpropagate(e)
    }
    ulelement.onclick = function (e) {
        ddtreemenu.preventpropagate(e)
    }
}

ddtreemenu.expandSubTree = function (treeid, ulelement) { //expand a UL element and any of its parent ULs
    var rootnode = document.getElementById(treeid)
    var currentnode = ulelement
    currentnode.style.display = "block"
    currentnode.parentNode.style.backgroundImage = "url(" + ddtreemenu.openfolder + ")"
    while (currentnode != rootnode) {
        if (currentnode.tagName == "UL") { //if parent node is a UL, expand it too
            currentnode.style.display = "block"
            currentnode.setAttribute("rel", "open") //indicate it's open
            currentnode.parentNode.style.backgroundImage = "url(" + ddtreemenu.openfolder + ")"
        }
        currentnode = currentnode.parentNode
    }
}

ddtreemenu.flatten = function (treeid, action) { //expand or contract all UL elements
    var ultags = document.getElementById(treeid).getElementsByTagName("ul")
    for (var i = 0; i < ultags.length; i++) {
        ultags[i].style.display = (action == "expand") ? "block" : "none"
        var relvalue = (action == "expand") ? "open" : "closed"
        ultags[i].setAttribute("rel", relvalue)
        ultags[i].parentNode.style.backgroundImage = (action == "expand") ? "url(" + ddtreemenu.openfolder + ")" : "url(" + ddtreemenu.closefolder + ")"
    }
}

ddtreemenu.rememberstate = function (treeid, durationdays) { //store index of opened ULs relative to other ULs in Tree into cookie
    var ultags = document.getElementById(treeid).getElementsByTagName("ul")
    var openuls = new Array()
    for (var i = 0; i < ultags.length; i++) {
        if (ultags[i].getAttribute("rel") == "open")
            openuls[openuls.length] = i //save the index of the opened UL (relative to the entire list of ULs) as an array element
    }
    if (openuls.length == 0) //if there are no opened ULs to save/persist
        openuls[0] = "none open" //set array value to string to simply indicate all ULs should persist with state being closed
    ddtreemenu.setCookie(treeid, openuls.join(","), durationdays) //populate cookie with value treeid=1,2,3 etc (where 1,2... are the indexes of the opened ULs)
}

////A few utility functions below//////////////////////

ddtreemenu.getCookie = function (Name) { //get cookie value
    var re = new RegExp(Name + "=[^;]+", "i"); //construct RE to search for target name/value pair
    if (document.cookie.match(re)) //if cookie found
        return document.cookie.match(re)[0].split("=")[1] //return its value
    return ""
}

ddtreemenu.setCookie = function (name, value, days) { //set cookei value
    var expireDate = new Date()
    //set "expstring" to either future or past date, to set or delete cookie, respectively
    var expstring = expireDate.setDate(expireDate.getDate() + parseInt(days))
    document.cookie = name + "=" + value + "; expires=" + expireDate.toGMTString() + "; path=/";
}

ddtreemenu.searcharray = function (thearray, value) { //searches an array for the entered value. If found, delete value from array
    var isfound = false
    for (var i = 0; i < thearray.length; i++) {
        if (thearray[i] == value) {
            isfound = true
            thearray.shift() //delete this element from array for efficiency sake
            break
        }
    }
    return isfound
}

ddtreemenu.preventpropagate = function (e) { //prevent action from bubbling upwards
    if (typeof e != "undefined")
        e.stopPropagation()
    else
        event.cancelBubble = true
}

ddtreemenu.dotask = function (target, functionref, tasktype) { //assign a function to execute to an event handler (ie: onunload)
    var tasktype = (window.addEventListener) ? tasktype : "on" + tasktype
    if (target.addEventListener)
        target.addEventListener(tasktype, functionref, false)
    else if (target.attachEvent)
        target.attachEvent(tasktype, functionref)
}





function MM_swapImgRestore() { //v3.0
    var i, x, a = document.MM_sr; for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) x.src = x.oSrc;
}

function MM_preloadImages() { //v3.0
    var d = document; if (d.images) {
        if (!d.MM_p) d.MM_p = new Array();
        var i, j = d.MM_p.length, a = MM_preloadImages.arguments; for (i = 0; i < a.length; i++)
            if (a[i].indexOf("#") != 0) { d.MM_p[j] = new Image; d.MM_p[j++].src = a[i]; } 
    }
}

function MM_findObj(n, d) { //v4.01
    var p, i, x; if (!d) d = document; if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document; n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) x = d.all[n]; for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
    if (!x && d.getElementById) x = d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
    var i, j = 0, x, a = MM_swapImage.arguments; document.MM_sr = new Array; for (i = 0; i < (a.length - 2); i += 3)
        if ((x = MM_findObj(a[i])) != null) { document.MM_sr[j++] = x; if (!x.oSrc) x.oSrc = x.src; x.src = a[i + 2]; }
}

//add event function
function addEvent(obj, evType, fn) {
    if (obj.addEventListener) {
        obj.addEventListener(evType, fn, true);
        return true;
    } else if (obj.attachEvent) {
        var r = obj.attachEvent("on" + evType, fn);
        return r;
    } else {
        return false;
    }
}

// Find all link elements and add an onfocus attribte and value
function hideFocusBorders() {
    var theahrefs = document.getElementsByTagName("a");
    if (!theahrefs) { return; }
    for (var x = 0; x != theahrefs.length; x++) {
        theahrefs[x].onfocus = function stopLinkFocus() { this.hideFocus = true; };
    }
}

//event added using the addEvent() function above
addEvent(window, 'load', hideFocusBorders);

function mejlme(etttvatre, fyrafemsex) {
    document.write("<a href=" + "ma" + "ilt" + "o:" + etttvatre + "&#64;" + fyrafemsex + " title=" + etttvatre + "&#64;" + fyrafemsex + ">" + etttvatre + "&#64;" + fyrafemsex + "</a>")
}