function setup(m) {
 	
 	var i=1
	while (i<=m)
	{
 		e="menu"+(i)
 	 	 	el = document.getElementById(e);
 	 		el.style.display = "none";
		 	i=i+1
	}
}
function showhide(e) {
    el = document.getElementById(e);
	el.style.display = el.style.display  == "block" ? "none" : "block";
}