// JavaScript Document

function over_button(imgVar) {
 var button_over = new Image();
  button_over = "images/"+imgVar+"Down.jpg";
  if (document.images) {
    document.getElementById(imgVar).src = button_over;
  }
}
function up_button(imgVar2) {
 var button_up = new Image();
  button_up = "images/"+imgVar2+"Up.jpg";
  if (document.images) {
    document.getElementById(imgVar2).src = button_up;
  }
}

function subMenuDown(idVar) {
	document.getElementById(idVar).style.visibility="visible";
}

function subMenuUp(idVar) {
	document.getElementById(idVar).style.visibility="hidden";
}