function expandMenu( prefix ) {
	
	var page = document.location.pathname;
	var elem = null;
	var sub = false;
	
	if ( page != '/' )
	page = page.match(/\/(\w+)\.(shtml|php)$/i)[1];
	
	page = page.toLowerCase();
	
	if ( page.substr(0, 4) == "eng_" )
	{
		page = page.substring(4);
	}
    
	switch ( page )
	{
		case 'about':
		case 'news':
		case 'about_coll':
		case 'zn':
		case 'nagradi':
		case 'anketa':
		case 'special':
		case 'new_year':
		elem = 'about';
		sub = true;
		break;
		
		case 'roomprices':
		case 'roomprices_prices':
		case 'roomprices_int':
		elem = 'roomprices';
		sub = true;
		break;
		
		case 'restbars':
		case 'restbars_menu':
		case 'restbars_int':
		case 'menu':
		case 'menu_novogodnih_korporativov':
		elem = 'restbars';
		sub = true;
		break;
		
		case 'bankets':
		case 'bankets_price':
		elem = 'bankets';
		sub = true;
		break;
		
		case 'center':
		case 'center_int':
		elem = 'center';
		sub = true;
		break;
		
		case 'kazan':
		case 'kazan_hist':
		case 'kazan_dost':
		elem = 'kazan';
		sub = true;
		break;
		
		case 'index':
		case '/':
		elem = 'index';
		break;
		
		case 'bankets':
		elem = 'bankets';
		break;
		
		case 'services':
		case 'lodka_6':
		case 'transfer':
		elem = 'services';
		sub = true;
		break;
		
		case 'faq':
		elem = 'faq';
		break;
		
		case 'contacts':
		elem = 'contacts';
		break;
		
		case 'bron':
		elem = 'booking';
		break;
		
		case 'vacancy':
		elem = 'vacancy';
		break;
		
		case 'tour':
		elem = 'tour';
		break;
		
		case 'excursion':
		case 'svijazhsk':
		case 'bulgars':
		case 'yelabuga':
		case 'night_kazan_tour':
		case 'kazan_tour':
		case 'cultural_events':
		elem = 'excursion';
		sub = true;
		break;
		
		case 'decor':
		case 'room_decoration':
		case 'wedding_in_suleiman_palace':
		elem = 'decor';
		sub = true;
		break;
        
        default:
		elem = 'index';       
	}
	
	if ( elem != null )
	{
        document.getElementById("menu_item_" + elem).className += ' selected';
        if (sub != false)
	  {
            document.getElementById("menu_" + elem).style.display = "block";			
  	  }
	}
}

function preloadImages ( prefix ) {
	expandMenu( prefix );
}