// Cross-browser (IE/NS6) Expand-Collapse Menu Script
function ws()
{
var nets;
if (navigator.appName=="Netscape") nets=true;else nets=false;
if (nets) {document.write('<link href="/style/csStyleN.css" rel="stylesheet">');}
   else  {document.write('<link href="/style/csStyle.css" rel="stylesheet">');}
}

function ws1()
{
var nets;
if (navigator.appName=="Netscape") nets=true;else nets=false;
if (nets) {document.write('<link href="../style/csStyleN.css" rel="stylesheet">');}
   else  {document.write('<link href="../style/csStyle.css" rel="stylesheet">');}
}

function tierMenu(objMenu,objImage)
{
  var myElement = document.getElementById(objMenu,objImage); 
  if (myElement.style.display == "none")
   {
    myElement.style.display = "";
    objImage.src = "/images/minus.gif";
   }
    else
   {
    myElement.style.display = "none";
    objImage.src = "/images/plus.gif";
   }
}