function showArtGal(catId)
{
    AsyncRequest.sendGet('cPortfolio', 'getArtGallery', $('artDisplay'+catId), '&catId=' + catId, null, true);
}

function showArtList(catId)
{
    AsyncRequest.sendGet('cPortfolio', 'artSelWrap', $('artDisplay'+catId), '&catId=' + catId, null, true);
}

function changeNavClasses(elem1, className1, className2, elem2, className3, className4)
{
    if (elem1.className == className1)
	elem1.className = className2;
    else if (elem1.className == className2)
	elem1.className = className1;

     if (elem2.className == className3)
	elem2.className = className4;
    else if (elem2.className == className4)
	elem2.className = className3;
}

/*** BEGIN ONLY FOR IE 6 ***/

function cIE()
{
    var ua = navigator.userAgent.toLowerCase();
    var av = navigator.appVersion;
    var ver = av.substring(0, av.indexOf(".")) * 1;

    if (ver == 4 && ua.indexOf("msie 6") >- 1)
	return true;
    return false;
}

function showSM(e)
{
    var myClass = e.className;
    var myResult = myClass.search(/menuButtonSelected/);

    if (cIE() && myResult > -1)
	$('pfItemsMain').style.display = 'block';
    else
	return;
}

function closeSM()
{
    if (cIE())
	$('pfItemsMain').style.display = 'none';
    else
	return;
}

function showAL(mainE, subE)
{
    if (cIE())
    {
	mainE.style.display = 'block';
	subE.style.display = 'block';
    }
    else
	return;
}

function showALSubs(subE)
{
    if (cIE())
	subE.style.display = 'block';
    else
	return;
}

function closeALSubs(subE)
{
    if (cIE())
	subE.style.display = 'block';
    else
	return;
}

function closeAL(mainE, subE)
{
    if (cIE())
    {
	mainE.style.display = 'none';
	subE.style.display = 'none';
    }
    else
	return;
}

/*** END OF ONLY FOR IE 6 ***/