// JavaScript Document

var browser;

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

function hide(which) {
  if (browser == "gecko" )
     document.switchVis = eval('document.getElementById(which)');
  else if (browser == "ie")
     document.switchVis = eval('document.getElementById(which)');
  else
     document.switchVis = eval('document.layers[which]');
  
     document.switchVis.style.display = "none";
}

function show(which2) {
  if (browser == "gecko" )
     document.switchVis = eval('document.getElementById(which2)');
  else if (browser == "ie")
     document.switchVis = eval('document.getElementById(which2)');
  else
     document.switchVis = eval('document.layers[which2]');
  
  	document.switchVis.style.display = "block";
}