var current = 'item01';

function toggle( targetId ){
  if (document.getElementById){
 		target = document.getElementById(targetId);
		document.getElementById(current).style.display = "none";
 		target.style.display = "block";
		current = targetId;
  	}
}

function GetHash()
{
if (window.location.href.match(/#(\w.+)/)) window.location.replace(window.location.hash);
}