function skip () { this.blur(); }
function toggleSelect (select) {
  if (!select.disabled) {
    select.disabled = true;
    if (!document.all && !document.getElementById) {
      select.oldOnFocus =
        select.onfocus ? select.onfocus : null;
      select.onfocus = skip;
    }
  }
  else {
    select.disabled = false;
    if (!document.all && !document.getElementById) {
      select.onfocus = select.oldOnFocus;
    }
  }
}

function switch_anylayer(mainlayer, id)
{
    var maincell = document.getElementById("main" +mainlayer);
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}

function switch_layer(id)
{
    var maincell = document.getElementById("main");
    var layerlist = maincell.getElementsByTagName("div");
    
    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }
    
    document.getElementById(id).className = "clayer_shown";
}


function switch_layer2(id)
{
    var maincell = document.getElementById("main2");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}

function switch_layer3(id)
{
    var maincell = document.getElementById("main3");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}

function switch_layer4(id)
{
    var maincell = document.getElementById("main4");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}

function switch_layer5(id)
{
    var maincell = document.getElementById("main5");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}

function switch_layer6(id)
{
    var maincell = document.getElementById("main6");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}

function switch_layer7(id)
{
    var maincell = document.getElementById("main7");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}

function switch_layer8(id)
{
    var maincell = document.getElementById("main8");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}
function switch_layer9(id)
{
    var maincell = document.getElementById("main9");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}
function switch_layer10(id)
{
    var maincell = document.getElementById("main10");
    var layerlist = maincell.getElementsByTagName("div");

    var i = 0;
    for (i = 0; i < layerlist.length; i++)
    {
        layerlist[i].className = "clayer_hidden";
    }

    document.getElementById(id).className = "clayer_shown";
}


function changeimage()
{

    document.images['tab1'].src = "images/01_public_Homepage_dark_over_01.gif";
    document.images['tab2'].src = "images/01_public_Homepage_dark_02.gif";
    document.images['tab3'].src = "images/01_public_Homepage_dark_03.gif";
    document.images['tab4'].src = "images/01_public_Homepage_dark_04.gif";
}
function changeimage2()
{

    document.images['tab1'].src = "images/01_public_Homepage_dark_01.gif";
    document.images['tab2'].src = "images/01_public_Homepage_dark_over_02.gif";
    document.images['tab3'].src = "images/01_public_Homepage_dark_03.gif";
    document.images['tab4'].src = "images/01_public_Homepage_dark_04.gif";
}
function changeimage3()
{

    document.images['tab1'].src = "images/01_public_Homepage_dark_01.gif";
    document.images['tab2'].src = "images/01_public_Homepage_dark_02.gif";
    document.images['tab3'].src = "images/01_public_Homepage_dark_over_03.gif";
    document.images['tab4'].src = "images/01_public_Homepage_dark_04.gif";
}
function changeimage4()
{

    document.images['tab1'].src = "images/01_public_Homepage_dark_01.gif";
    document.images['tab2'].src = "images/01_public_Homepage_dark_02.gif";
    document.images['tab3'].src = "images/01_public_Homepage_dark_03.gif";
    document.images['tab4'].src = "images/01_public_Homepage_dark_over_04.gif";
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		newtopnav_04_over = newImage("images/newtopnav_04-over.jpg");
		newtopnav_05_over = newImage("images/newtopnav_05-over.jpg");
		newtopnav_06_over = newImage("images/newtopnav_06-over.jpg");
		newtopnav_07_over = newImage("images/newtopnav_07-over.jpg");
		newtopnav_08_over = newImage("images/newtopnav_08-over.jpg");
		newtopnav_09_over = newImage("images/newtopnav_09-over.jpg");
		newmembernav_01_over = newImage("images/newmembernav_01-over.jpg");
		newmembernav_02_over = newImage("images/newmembernav_02-over.jpg");
		newmembernav_03_over = newImage("images/newmembernav_03-over.jpg");
		newmembernav_04_over = newImage("images/newmembernav_04-over.jpg");
		newmembernav_05_over = newImage("images/newmembernav_05-over.jpg");
		newmembernav_06_over = newImage("images/newmembernav_06-over.jpg");
		newmembernav_07_over = newImage("images/newmembernav_07-over.jpg");
		newmembernav_08_over = newImage("images/newmembernav_08-over.jpg");
		newmembernav_09_over = newImage("images/newmembernav_09-over.jpg");
		newmembernav_10_over = newImage("images/newmembernav_10-over.jpg");
		newmembernav_11_over = newImage("images/newmembernav_11-over.jpg");
		preloadFlag = true;
	}
}