var g_timeoutTime = 1000; 
var g_is_home = true;


var g_initHome = false;
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 = "";

window.onload = function ()
{
    var sClass = "";
    if (document.body.className) {
        sClass = document.body.className;
    }
    else {
        sClass = document.body.getAttribute("class");
    }
    if (sClass != undefined) {
        g_is_home = sClass.indexOf("home") >= 1;
    }

    if (g_is_home) {
        initHome();
    }
}

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

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


function initHome()
{
    if (document.getElementById) {
        g_initHome = true;
    }
}


function overNav(level, sName, sSelf)
{
        if (level == 0 || level == "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")
        {
            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")
        {
            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")
        {
            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 = sName;
        }

}



function outNav(level)
{

        if (level == 0 || level == "0")
        {
            g_timeoutHide1 = setTimeout("hideNav(1,\"" + g_currentNav1 + "\",\"" + g_currentHi1 + "\")", g_timeoutTime);      
        }
        else if (level == 1 || level == "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")
        {
            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")
        {
            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);
        }
  
}



function showNav(level, sName, sSelf)
{
   	hiliteLr(level - 1, sSelf);
    var foundOne = showSubLayers(sName);
    if (foundOne)
    {

            var elm = document.getElementById("navshade" + level);
            showLayer("navshade" + level);

    }
    else
    {

	          hideLayer("navshade" + 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);


    hideLayer("navshade" + level);

    hideSubLayers(sName);
}

function hiliteLr(level, sName)
{
    var elem = document.getElementById(sName);
    if (elem)
    {
        if (level == 0 || level == "0")
        {
            elem.style.color = "rgb(0, 0, 255)";
            elem.style.backgroundColor = "rgb(255,255,255)";
            if (! (elem.className.indexOf("final") >= 0) )
            {
                elem.style.backgroundImage = "url(images/arrow-blue.gif)";
            }
        }
        else
        {
            elem.style.color = "rgb(0, 0, 255)";

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

            elem.style.MozOpacity = ".99"; 
            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(images/arrow-white.gif)";
            }
        }
        else
        {
            elem.style.color = "rgb(0, 0, 0)";
            if (! (elem.className.indexOf("final") >= 0) )
            {
                elem.style.backgroundImage = "url(images/arrow-gray.gif)";
            }
            elem.style.MozOpacity = ".86";
            elem.style.filter = "alpha(opacity=86)";
        }
    }
}

function showSubLayers(sName)
{
    var i = 0;
    var foundOne = false;

    for (i = 1; i <= 13; i++)
    {
        var s = "nav_" + sName + "_" + i;
        var elem = document.getElementById(s);
        if (elem)
        {
            foundOne = true;
        }
        else
        {
            break;
        }

        showLayer(s);
    } 

    return foundOne;
}

function hideSubLayers(sName)
{
    var i = 0;
    var foundOne = false;

    for (i = 1; i <= 13; i++)
    {
        var s = "nav_" + sName + "_" + i;
        var elem = document.getElementById(s);
        if (elem)
        {
            foundOne = true;
        }
        else
        {
            break;
        }

        hideLayer(s);
    }

    return foundOne;
}







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

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

function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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