function initialiseDropdownNavigation(container_id)
	{
		var container = jQuery('#'+ container_id);
		var ul = container.children('ul');
		ul.each(function(){processUnorderedList(jQuery(this), 0);});
		container.show();
	}
	
	function processUnorderedList(jquery_ul_obj, level)
	{
		if (level == 0)
			jquery_ul_obj.addClass('ul_dropdownNavigationRootList');
		else
			jquery_ul_obj.addClass('ul_dropdownNavigationChildList');
			
		
		var list_items = jquery_ul_obj.children('li');
		list_items.each(function()
		{
			var item = jQuery(this);
			if (item.index() != 0)
				item.before('<li class="separator"> / </li>');
			
			if (level == 0)
				item.addClass('li_dropdownNavigationRootItem');
			else
				item.addClass('li_dropdownNavigationChildItem');
			
			item.children('ul').each(function(){processUnorderedList(jQuery(this), (level+1));});
		});
	}