var browserType;

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

function JHide(str) {
  if (browserType == "gecko" )
     document.poppedLayer = eval('document.getElementById(\''+str+'\')');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.all[\''+str+'\']');
  else
     document.poppedLayer = eval('document.layers[\'`'+str+'\']');
  document.poppedLayer.style.visibility = "hidden";
    document.poppedLayer.style.display = "none";
}


function JShow(str) {
  if (browserType == "gecko" )
     document.poppedLayer = eval('document.getElementById(\''+str+'\')');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.all[\''+str+'\']');
  else
     document.poppedLayer = eval('document.layers[\'`'+str+'\']');
  document.poppedLayer.style.visibility = "visible";
    document.poppedLayer.style.display = "block";
}