var navigatorTabs = Class.create();
	navigatorTabs.prototype =
	{
		initialize: function(
						togglers_container_id,
						togglers_class,
						togglers_over_class,
						togglers_click_class,
						blocks_container_id,
						blocks_container_class,
						block_class,
						hidden_class )
		{
			this.toggler_container = $(togglers_container_id);
			this.togglers = this.toggler_container.getElementsByClassName(togglers_class);

			this.container = $(blocks_container_id);
			this.blocks = this.container.getElementsByClassName(block_class);

			if( this.togglers.length != this.blocks.length )
			{
				return false;
			}

			this.togglers_over_class = togglers_over_class;
			this.hidden_class = hidden_class;

			/* ЗАКОМЕНТИЛ ДЛЯ ЖАННЫ
			ZHANNA
			this.container.addClassName( blocks_container_class);
			ZHANNA
			*/
			//this.container.addClassName( this.hidden_class );

			this.blocks[0].addClassName( this.hidden_class/* добавил для ZHANNA */ + ' ' + blocks_container_class/* добавил для ZHANNA */ );
			this.blocks[1].addClassName( this.hidden_class/* добавил для ZHANNA */ + ' ' + blocks_container_class/* добавил для ZHANNA */ );

			this.observeToggler(this.togglers[0], this.togglers[1], this.blocks[1], this.blocks[0], togglers_click_class );
			this.observeToggler(this.togglers[1], this.togglers[0], this.blocks[0], this.blocks[1], togglers_click_class );

			return true;
		},

		observeToggler: function( toggler_obj_active, toggler_obj_deactive, block_to_hide, block_to_show, togglers_click_class )
		{
			Event.observe( toggler_obj_active, 'click', this.switchBlocks.bind(this, block_to_hide, block_to_show, toggler_obj_active, toggler_obj_deactive, togglers_click_class ) );
			Event.observe( toggler_obj_active, 'mouseover', this.toggleClass.bind( this, toggler_obj_active ) );
			Event.observe( toggler_obj_active, 'mouseout', this.toggleClass.bind( this, toggler_obj_active ) );
			return true;
		},

		toggleClass: function( toggler_obj )
		{
			if( Element.hasClassName( toggler_obj, this.togglers_over_class ) )
				Element.removeClassName( toggler_obj, this.togglers_over_class );
			else
				Element.addClassName( toggler_obj, this.togglers_over_class );
			return true;
		},

		switchBlocks: function( block_to_hide, block_to_show, toggler_obj_active, toggler_obj_deactive, togglers_click_class )
		{
			if( !Element.hasClassName( block_to_hide, this.hidden_class ) )
			{
				Element.addClassName( block_to_hide, this.hidden_class );
				Element.removeClassName( toggler_obj_deactive, togglers_click_class );
			}

			if( Element.hasClassName( block_to_show, this.hidden_class) )
			{
				Element.addClassName( toggler_obj_active, togglers_click_class );
				Element.removeClassName( block_to_show, this.hidden_class );
				//Element.removeClassName( this.container, this.hidden_class );
			}
			else
			{
				if( Element.hasClassName( toggler_obj_active, togglers_click_class ) )
					Element.removeClassName( toggler_obj_active, togglers_click_class );
				//Element.addClassName( this.container, this.hidden_class );
				Element.addClassName( block_to_show, this.hidden_class );
			}

			return true;
		}
	};