// JavaScript Document

<!-- 
function showthis(obj) {
   if(!obj) return false;
   if(document.getElementById) {
      document.getElementById("item1").style.display = "none";
      document.getElementById("item2").style.display = "none";
      document.getElementById("item3").style.display = "none";
      document.getElementById("item4").style.display = "none";
      document.getElementById(obj).style.display = "block";
   } else {
      return false;
   }
}
// -->

<!-- 
function exMenu(tName)
{
	tMenu = document.getElementById(tName).style;
	if (tMenu.display == 'none') tMenu.display = "block"; else tMenu.display = "none";
}
// -->