function open_menu(obj) {
  document.getElementById(obj).style.display = 'block';
  document.getElementById(obj).style.zIndex = '3';
  document.getElementById("submenuout").style.zIndex = '3';
	var SubM = document.getElementById("SubMenuOutRef");
	if(SubM != null){
	  document.getElementById("SubMenuOutRef").style.zIndex = '1';
	  }
}
function close_menu(obj) {
  document.getElementById(obj).style.display = 'none';
  document.getElementById(obj).style.zIndex = '0';
  document.getElementById("submenuout").style.zIndex = '0';
	var SubM = document.getElementById("SubMenuOutRef");
	if(SubM != null){
	document.getElementById("SubMenuOutRef").style.zIndex = '2';
	}
}

function hidemap(obj)
{
  document.getElementById(obj).style.display = 'none';
  document.getElementById(obj).style.zIndex = '0';
}

function showmap(obj)
{
  document.getElementById(obj).style.display = 'block';
  document.getElementById(obj).style.zIndex = '1';
}