// JavaScript Document
function show_menu(m){
	document.getElementById(m).style.display="block";
}
function hide_menu(m){
	document.getElementById(m).style.display="none";
}

function show_changeClass(id)
{
	document.getElementById(id).className="select";
}
function hide_changeClass(id)
{
	document.getElementById(id).className="";
}