var submenuTimer = 0;
function submenuHide(){
	$('div#navi table tr.navi-menu td span[rel]').css('display','none');
}

jQuery(document).ready(function($){
	$('div#navi table tr.navi-menu td div').mouseover(function(){
		if(submenuTimer){
			window.clearTimeout(submenuTimer);
			submenuTimer = null;
		}
		submenuHide();
		$('div#navi table tr.navi-menu td span[rel=' + $(this).attr('rel') + ']').css('display','block');
	});

	$('div#navi table tr.navi-menu td div').mouseout(function(){
		submenuTimer = window.setTimeout(submenuHide, 500);
	});

	$('div#navi table tr.navi-menu td span[rel]').mouseover(function(){
		if(submenuTimer){
			window.clearTimeout(submenuTimer);
			submenuTimer = 0;
		}
	});

	$('div#navi table tr.navi-menu td span[rel]').mouseout(function(){
		submenuTimer = window.setTimeout(submenuHide, 500);
	});
});