var selected = null;
var timer_id = null;
var menu_visable = null;

$(document).ready(function(){

	var menu2 = $("ul.menu_content");
	var items2 = menu2.children("li");

        selected = $("#menu_selected");
        menu_visable = selected;

	items2.hover(function() {
            if (timer_id != null){
                clearTimeout(timer_id);
                timer_id = null;
            }
            if (menu_visable[0] != $(this)[0]){
                hide_menu();
                show_menu($(this));
                menu_visable = $(this);
            }
	}, function() {
            
                if (selected[0] != $(this)[0]){
                    timer_id = setTimeout(hide_menu_timeout, 4000);
                }
	});

});

function show_menu(menu){
    menu.addClass("hover");
    menu.children("ul").slideDown("normal");
}

function hide_menu(){
    menu_visable.removeClass("hover");
    menu_visable.children("ul").stop(true, true).hide();
}

function hide_menu_timeout(){
    hide_menu();
    show_menu(selected);
    menu_visable = selected;
    timer_id = null;
}

var objects = document.getElementsByTagName("object");

for (var i=0; i<objects.length; i++)
    objects[i].outerHTML = objects[i].outerHTML;
	


<!--
     function openWindow(html_stranka){
     msg = window.open(html_stranka,'detail',
		'toolbar=no,menubar=no,location=no,directories=no,scrollbars=no,resizable=no,status=no,width=600,height=420,top=20,left=20');
      }
-->