var g_initHome = false;

var g_timeoutTime = 250;
var g_timeoutHide1 = 0;
var g_timeoutHide2 = 0;
var g_timeoutHide3 = 0;
var g_timeoutHide4 = 0;
var g_currentNav1 = "";
var g_currentNav2 = "";
var g_currentNav3 = "";
var g_currentNav4 = "";

var g_currentHi1 = "";
var g_currentHi2 = "";
var g_currentHi3 = "";
var g_currentHi4 = "";

var g_echoCount = 0;

var g_canHandleTransparency = true;

window.onload = function ()
{
        g_initHome = true;
        externalLinks();
};

function overNav(level, sName, sSelf)
{
    if (g_initHome)
    {
        if (level == 0 || level == "0")
        {
            echo("level in 0");

            if (g_timeoutHide1 != 0) { clearTimeout(g_timeoutHide1); }

            hideSubLayers(g_currentNav1);
            loliteLr(level, g_currentHi1);

            if (g_currentNav1 != "") { hideSubLayers(g_currentNav1); }
            if (g_currentHi1 != "") { loliteLr(level, g_currentHi1); }

            showNav(level + 1, sName, sSelf);
            g_currentNav1 = sName;
            g_currentHi1 = sSelf;
        }
        else if (level == 1 || level == "1")
        {
            echo("level in 1");

            if (g_timeoutHide1 != 0) { clearTimeout(g_timeoutHide1); }
            if (g_timeoutHide2 != 0) { clearTimeout(g_timeoutHide2); }

            if (g_currentNav2 != "") { hideSubLayers(g_currentNav2); }
            if (g_currentHi2 != "") { loliteLr(level, g_currentHi2); }

            showNav(level + 1, sName, sSelf);
            g_currentNav2 = sName;
            g_currentHi2 = sSelf;
        }
        else if (level == 2 || level == "2")
        {
            echo("level in 2");

            if (g_timeoutHide1 != 0) { clearTimeout(g_timeoutHide1); }
            if (g_timeoutHide2 != 0) { clearTimeout(g_timeoutHide2); }
            if (g_timeoutHide3 != 0) { clearTimeout(g_timeoutHide3); }

            if (g_currentNav3 != "") { hideSubLayers(g_currentNav3); }
            if (g_currentHi3 != "") { loliteLr(level, g_currentHi3); }

            showNav(level + 1, sName, sSelf);
            g_currentNav3 = sName;
            g_currentHi3 = sSelf;
	        }
        else if (level == 3 || level == "3")
        {
            echo("level in 3");

            if (g_timeoutHide1 != 0) { clearTimeout(g_timeoutHide1); }
            if (g_timeoutHide2 != 0) { clearTimeout(g_timeoutHide2); }
            if (g_timeoutHide3 != 0) { clearTimeout(g_timeoutHide3); }
            if (g_timeoutHide4 != 0) { clearTimeout(g_timeoutHide4); }

            if (g_currentNav4 != "") { hideSubLayers(g_currentNav4); }

            showNav(level + 1, sName, sSelf);
            g_currentNav4 = sSelf;
        }
    }
}

function outNav(level)
{
    if (g_initHome)
    {
        if (level == 0 || level == "0")
        {
            echo("level out 0");
            g_timeoutHide1 = setTimeout("hideNav(1,\"" + g_currentNav1 + "\",\"" + g_currentHi1 + "\")", g_timeoutTime);
        }
        else if (level == 1 || level == "1")
        {
            echo("level out 1");
            g_timeoutHide1 = setTimeout("hideNav(1,\"" + g_currentNav1 + "\",\"" + g_currentHi1 + "\")", g_timeoutTime);
            g_timeoutHide2 = setTimeout("hideNav(2,\"" + g_currentNav2 + "\",\"" + g_currentHi2 + "\")", g_timeoutTime);
        }
        else if (level == 2 || level == "2")
        {
            echo("level out 2");
            g_timeoutHide1 = setTimeout("hideNav(1,\"" + g_currentNav1 + "\",\"" + g_currentHi1 + "\")", g_timeoutTime);
            g_timeoutHide2 = setTimeout("hideNav(2,\"" + g_currentNav2 + "\",\"" + g_currentHi2 + "\")", g_timeoutTime);
            g_timeoutHide3 = setTimeout("hideNav(3,\"" + g_currentNav3 + "\",\"" + g_currentHi3 + "\")", g_timeoutTime);
        }
        else if (level == 3 || level == "3")
        {
            echo("level out 3");
            g_timeoutHide1 = setTimeout("hideNav(1,\"" + g_currentNav1 + "\",\"" + g_currentHi1 + "\")", g_timeoutTime);
            g_timeoutHide2 = setTimeout("hideNav(2,\"" + g_currentNav2 + "\",\"" + g_currentHi2 + "\")", g_timeoutTime);
            g_timeoutHide3 = setTimeout("hideNav(3,\"" + g_currentNav3 + "\",\"" + g_currentHi3 + "\")", g_timeoutTime);
            g_timeoutHide4 = setTimeout("hideNav(4,\"" + g_currentNav4 + "\",\"" + g_currentHi4 + "\")", g_timeoutTime);
        }
        else
        {
            echo("level out is else: " + level);
        }
    }
}

function showSubLayers(sName)
{
    var foundOne = false;
    var s = sName;
    var elem = document.getElementById(s);

    if (elem)
    {
        foundOne = true;
        showLr(s);
    }

    return foundOne;
}

function hideSubLayers(sName)
{
    var foundOne = false;
    var s = sName;
    var elem = document.getElementById(s);

    if (elem) {
        foundOne = true;
        hideLr(s);
    }

    return foundOne;
}

function showNav(level, sName, sSelf)
{
    hiliteLr(level - 1, sSelf);
    var foundOne = showSubLayers(sName);
    if (foundOne)
    {
        if (g_canHandleTransparency)
        {
            var elm = document.getElementById("navshade" + level);
            showLr("navshade" + level);
        }
        else
        {
            var elm = document.getElementById("navshadeSimple" + level);
            showLr("navshadeSimple" + level);
        }
    }
    else
    {
        if (g_canHandleTransparency)
        {
            hideLr("navshade" + level);
        }
        else
        {
            hideLr("navshadeSimple" + level);
        }
    }
}

function hideNav(level, sName, sSelf)
{
    if (level == 1) { g_timeoutHide1 = 0; g_currentNav1 = ""; g_currentSelf1 = ""; }
    if (level == 2) { g_timeoutHide2 = 0; g_currentNav2 = ""; g_currentSelf2 = ""; }
    if (level == 3) { g_timeoutHide3 = 0; g_currentNav3 = ""; g_currentSelf3 = ""; }
    if (level == 4) { g_timeoutHide4 = 0; g_currentNav4 = ""; }

    loliteLr(level - 1, sSelf);

    if (g_canHandleTransparency)
    {
        hideLr("navshade" + level);
    }
    else
    {
        hideLr("navshadeSimple" + level);
    }

    hideSubLayers(sName);
}

function showLr(id)
{
    var elm = document.getElementById(id);
    if (elm) {
        elm.style.display = "block";
        elm.style.visibility = "visible";
    }
}

function hideLr(id)
{
    var elm = document.getElementById(id);
    if (elm) {
        elm.style.display = "none";
        elm.style.visibility = "hidden";
    }
}

function hiliteLr(level, sName)
{
	var elem = document.getElementById(sName);
    if (elem)
    {
        if (level == 0 || level == "0")
        {
            elem.style.color = "rgb(255,255,255)";
/*            elem.style.backgroundColor = "rgb(49,129,49)";*/

            if (! (elem.className.indexOf("final") >= 0) )
            {
                elem.style.backgroundImage = "url(upload/layout/arrow-white.gif)";
            }
        }
        else
        {
            elem.style.color = "rgb(255,255,255)";
            elem.style.backgroundColor = "rgb(49,129,49)";

            if (! (elem.className.indexOf("final") >= 0) )
            {
                elem.style.backgroundImage = "url(upload/layout/arrow-white.gif)";
            }

            elem.style.MozOpacity = ".99"; // hack around weeeiiird bug which causes "1" to break NS7.02
            elem.style.filter = "alpha(opacity=100)";
        }
    }
}

function loliteLr(level, sName)
{
    var elem = document.getElementById(sName);
    if (elem)
    {
        if (level == 0 || level == "0")
        {
            elem.style.color = "rgb(255,255,255)";
/*            elem.style.backgroundColor = "transparent";*/
            if (! (elem.className.indexOf("final") >= 0) )
            {
                elem.style.backgroundImage = "url(upload/layout/arrow-white.gif)";
            }
        }
        else
        {
            elem.style.color = "rgb(49,129,49)";
            elem.style.backgroundColor = "rgb(167,209,153)";
            if (! (elem.className.indexOf("final") >= 0) )
            {
                elem.style.backgroundImage = "url(upload/layout/arrow-gray.gif)";
            }

            elem.style.MozOpacity = ".90";
            elem.style.filter = "alpha(opacity=90)";
        }
    }
}

function navShadeIn(level)
{

    if (g_initHome)
    {
        if (level == 1)
        {
            if (g_timeoutHide1 != 0) { clearTimeout(g_timeoutHide1); }
        }
        else if (level == 2)
        {
            if (g_timeoutHide1 != 0) { clearTimeout(g_timeoutHide1); }
            if (g_timeoutHide2 != 0) { clearTimeout(g_timeoutHide2); }
        }
        else if (level == 3)
        {
            if (g_timeoutHide1 != 0) { clearTimeout(g_timeoutHide1); }
            if (g_timeoutHide2 != 0) { clearTimeout(g_timeoutHide2); }
            if (g_timeoutHide3 != 0) { clearTimeout(g_timeoutHide3); }
        }
    }
}

function navShadeOut(level)
{

    if (g_initHome)
    {
        if (level == 1)
        {
            g_timeoutHide1 = setTimeout("hideNav(1,\"" + g_currentNav1 + "\",\"" + g_currentHi1 + "\")", g_timeoutTime);
        }
        else if (level == 2)
        {
            g_timeoutHide1 = setTimeout("hideNav(1,\"" + g_currentNav1 + "\",\"" + g_currentHi1 + "\")", g_timeoutTime);
            g_timeoutHide2 = setTimeout("hideNav(2,\"" + g_currentNav2 + "\",\"" + g_currentHi2 + "\")", g_timeoutTime);
        }
        else if (level == 3)
        {
            g_timeoutHide1 = setTimeout("hideNav(1,\"" + g_currentNav1 + "\",\"" + g_currentHi1 + "\")", g_timeoutTime);
            g_timeoutHide2 = setTimeout("hideNav(2,\"" + g_currentNav2 + "\",\"" + g_currentHi2 + "\")", g_timeoutTime);
            g_timeoutHide3 = setTimeout("hideNav(3,\"" + g_currentNav3 + "\",\"" + g_currentHi3 + "\")", g_timeoutTime);
        }
    }
}

function echo(s)
{
/*    var elDebug = document.getElementById("debug");
    elDebug.innerHTML = "<div><span>" + (++g_echoCount) + ".</span> " + s + "</div>" + elDebug.innerHTML;*/
}


/* Das Attribut target ist in XHTML nicht mehr erwünscht, deshalb diese Funktion verwenden.
   statt target="_blank" nun rel="external" nutzen
*/
function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
	}
}

function serializeArray(source, destination) {
	var temp_options;
	var ids = new Array();
	
	if(document.getElementById(source)) {
		temp_options = document.getElementById(source).options;
		for(i=0;i<temp_options.length;i++) {
			if(temp_options[i].selected) {
				ids.push(temp_options[i].value);
			}
		}
		if(document.getElementById(destination)) {
			document.getElementById(destination).value = ids.join("|");;
		}
	}
}