// JavaScript Document

		function showMenu()
		{
		document.getElementById("mnu_open").style.display="none";
		document.getElementById("mnu_close").style.display="block";
		document.getElementById("sub_mnu_change").style.display="none";
		document.getElementById("sub_mnu_jump").style.display="block";
		return false;
			}

		function hideMenu()
		{
		document.getElementById("mnu_close").style.display="none";
		document.getElementById("mnu_open").style.display="block";
		document.getElementById("sub_mnu_jump").style.display="none";
		document.getElementById("sub_mnu_change").style.display="block";
		return false;
			}
		
		function changeSecond()
		{
		document.getElementById("link_first").className="enable_link";
		document.getElementById("link_second").className="disable_link";
		document.getElementById("characteristics").style.display="none";
		document.getElementById("responses").style.display="block";
		return false;
			}

		function changeFirste()
		{
		document.getElementById("link_second").className="enable_link";
		document.getElementById("link_first").className="disable_link";
		document.getElementById("responses").style.display="none";
		document.getElementById("characteristics").style.display="block";
		return false;
			}