// JavaScript Document//show pull-out menus
function showmenu(aa)
  {
		if (document.layers) {
		document.bb.visibility = "visible";
							}
							
					else {
document.getElementById(aa).style.visibility = 'visible';
}
  
  }
  


//hide pull-out menus
function hidemenu(bb) {

if (document.layers) {
document.bb.visibility = "hidden";
}
else {
document.getElementById(bb).style.visibility = 'hidden';
}
       }