/**
 * Submenu Script
 * @param	integer	category_id
 * @return	void
 */
function submenuScript(category_id)
{
	if (category_id > 0)
	{
		var menu_node = $('menu');
		
		if (menu_node)
		{
			var active_item_node = menu_node.getElement('li.active');
			
			if (active_item_node)
			{
				var sub_item_nodes			= active_item_node.getElements('ul a');
				var total_sub_item_nodes	= sub_item_nodes.length;
				
				if (total_sub_item_nodes > 0)
				{
					sub_item_nodes.each(function(sub_item_node, index)
					{
						var att_href			= sub_item_node.get('href');
						var arr_location		= att_href.split('category_id=');
						var item_category_id	= arr_location[1].toInt();
						
						if (item_category_id == category_id)
						{
							sub_item_node.set('class', 'active');
						}
					});
				}
			}
		}
	}
}