function handleToggle(_elem)
{
	if(navOneTreeOpenSetting)
	{
		var id = $(_elem).next().attr('id');
		
		var nav = $(_elem).closest("ul[class^='nav']");

		$(nav).find("ul[id^='nav_container_']").each(function(){
			if($(this).find("#" + id).length == 0)
			{
				var style = $(this).attr("style");

				if($(this).attr("id") != id && (style == undefined || style == "" || style.indexOf("block") != -1))
				{
					$(this).iconToggle(
							{},
							styEffectNavigationIn, 
							styEffectNavigationOut,
							function(){
								if($.browser.msie) 
								{ 
									$(this).parent().nextAll().hide().show(); 
								} 
								updateNavigationCategoryItemState(this); 
							}
					); 
				}
			}
		});
	}	
	
	$(_elem).next().iconToggle(
		{},
		styEffectNavigationIn, 
		styEffectNavigationOut, 
		function() {
			if($.browser.msie) 
			{ 
				$(_elem).parent().nextAll().hide().show(); 
			} 
			updateNavigationCategoryItemState($(_elem).next().get(0)); 
		}
	); 
	dontHideBox=true;
}