// JScript File

var ImgSrc;
var isHover = (((navigator.appName == "Netscape") && 
    (parseInt(navigator.appVersion) >= 3 )) || 
    ((navigator.appName == "Microsoft Internet Explorer") && 
    (parseInt(navigator.appVersion) >= 4 )));

function ImgOver(x, y)
{
    if (!isHover) return;
    ImgSrc = x.src;
    x.src="images/" + y + ".gif";
}

function ShowMenu(x)
{
    if (!isHover) return;
    var d = x.getElementsByTagName("div").item(0);
    if (d != null)
    {
        d.className = "menuHover";
    }
}

function ImgOn(x)
{
    if (!isHover) return;
    x.src=ImgSrc;
}

function HideMenu(x)
{
    if (!isHover) return;
    var d = x.getElementsByTagName("div").item(0);
    if (d != null)
    {
        d.className = "menuNormal";
    }
}

function expand(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuHover";
  d.className = "menuHover";
}

function collapse(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuNormal";
  d.className = "menuNormal";
}