// This is the javascript for the tabbed topic selection bar...
// Tabs are "hotTab","propTab","lifeTab","myTab" ...

var currTop = "hotTab";
var isNC = false;
var isNC5 = false;
var vernum = parseInt(navigator.appVersion.charAt(0));
var vendor = navigator.appName;
if(vendor == "Netscape") isNC = true;

if(isNC && (vernum >= 5)) isNC5 = true;

function setObj(layerName)
{
    var obj = eval(" (isNC) ? ( (isNC5) ? document.getElementById('" + layerName + "').style : document." + layerName + " ) : document.all." + layerName + ".style;");
    return obj;
}


function loadNav(currTab)
{

    if(currTab != null)
        currTop = currTab;
    else
        currTop = "hotTab";

    var initNav = setObj(currTop);
    initNav.visibility = 'visible';
}


function changeLayer(newTop)
{
    var domTop = setObj(currTop);
    var domNew = setObj(newTop);
    domTop.visibility = 'hidden';
    if(isNC)
    {
        if(newTop == 'hotTab')
        {
        }
        else
        {
            if(isNC5)
            {
                domNew.left = "0px";
                domNew.top = "65px";	//was 68
            }
            else
            {
                domNew.moveTo(0, 68);
            }
        }
    }
    domNew.visibility = 'visible';

    currTop = newTop;
}