<!--//
function _dom_menu()
 {
  return this;
 }
_dom_menu.prototype.objref = function(id)
 {
   return document.getElementById ? document.getElementById(id) : (document.all ? document.all[id] : (document.layers ? document.layers[id] : null));
 }
_dom_menu.prototype.cancel_event = function()
 {
 if ( window.event )
  {
    window.event.cancelBubble = true;
  }
}
_dom_menu.prototype.set = function(menu) {
  var menus = new Array(
	'1',
	'2',
	'3',
	'4',
	'5',
	'6',
	'7',
	'8',
	'9',
	'10',
	'11',
	'12'

	);
var object;
var opt;
var flag;
for (i=0; i < menus.length; i++)
  {
    cur_menu = menus[i];
    object = this.objref(cur_menu);
if ( object && object.style )
 {
   object.style.display = (cur_menu == menu) ? '' : 'none';
 }
}
this.cancel_event();
}
// instantiate
dom_menu = new _dom_menu();
//-->