var browserType;

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

function toogle(id)
{

  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(id)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(id)');
  else
     document.poppedLayer =   
        eval('document.layers[id]');
	
	if(document.poppedLayer.style.display == "none")
	{
		document.poppedLayer.style.display = "block";
	} else if (document.poppedLayer.style.display == "block")
	{
		document.poppedLayer.style.display = "none";
	}
	document.body.style.bottom="0px";
	
}
function hide(id) {
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(id)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(id)');
  else
     document.poppedLayer =   
        eval('document.layers[id]');
  document.poppedLayer.style.display = "none";
}

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