var menus = new Array();

var last_menu_id = '';

function menuItemChangeAct( id, act ) {

	var menu_item_ref = getElement( 'menu_item_' + id );
	var menu_img_1_ref = getElement( 'menu_img_1_' + id );
	var menu_img_2_ref = getElement( 'menu_img_2_' + id );
	
	if( menu_item_ref ) {
		menu_item_ref.className = act ? 'menu_on' : 'menu_off';
	}
	
	if( menu_img_1_ref ) {
		menu_img_1_ref.style.display = act ? 'none' : 'block';
	}
	
	if( menu_img_2_ref ) {
		menu_img_2_ref.style.display = act ? 'block' : 'none';
	}


}



function menuItemAct(id, listener, event) {
	
	if( last_menu_id != id ) {
	
		if( last_menu_id.length > 0 ) {
			menuItemChangeAct( last_menu_id, false );
		}
		
		menuItemChangeAct( id, true );
		
		last_menu_id = id;
	
	}
	
	
}

function menuItemInact(id, listener, event) {
	
	var oEvent = new CompatEvent( event );
	
	if( ! isChild( oEvent.target, listener  ) ) {
	
		last_menu_id = '';
		
		menuItemChangeAct( id, false );
	
		
	}
	
}

function _hide (id) {
	
	if (menus[id]) {
		document.getElementById(id).style.display = 'none';
	}
	
}

function _show (id) {
	
	if (!menus[id]) {
		document.getElementById(id).style.display = 'block';
	}
	
}

function hideMenu(id) {
	menus[id] = true;
	_hide(id);
}

function showMenu(id) {
	menus[id] = false;
	_show(id);
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}