var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {
   browserType= "gecko"
}

function hidediv(divname) {
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(divname)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(divname)');
  else
     document.poppedLayer =   
        eval('document.layers[divname]');
  document.poppedLayer.style.visibility = "hidden";
}

function showdiv(divname) {
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(divname)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(divname)');
  else
     document.poppedLayer = 
         eval('document.layers[divname]');
  document.poppedLayer.style.visibility = "visible";
}

function isshowdiv(divname) {
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(divname)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(divname)');
  else
     document.poppedLayer = 
         eval('document.layers[divname]');
  return (document.poppedLayer.style.visibility == "visible");
}




function closediv(divname) {
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(divname)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(divname)');
  else
     document.poppedLayer =   
        eval('document.layers[divname]');
  document.poppedLayer.style.display = "none";
}

function opendiv(divname) {
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(divname)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(divname)');
  else
     document.poppedLayer = 
         eval('document.layers[divname]');
  document.poppedLayer.style.display = "block";
}

function isopendiv(divname) {
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(divname)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(divname)');
  else
     document.poppedLayer = 
         eval('document.layers[divname]');
  return (document.poppedLayer.style.display == "block");
}