var timer, i, menuId, linkId, background;

  function processClose()
  {
    timer = setTimeout("CloseMenu()", 250);
  }


  function hideBadCombo() {
    var obj = document.getElementById("bad_combo");
    if(obj) {
      obj.style.display = 'none';
    }
  }

  function unhideBadComponents() {
    var obj = document.getElementById("bad_combo");
    if(obj) {
      obj.style.display = 'block';
    }
  }


  function CloseMenu()
  {
    window.status = "CloseMenu";

    if(document.getElementById(menuId))
    {
      document.getElementById(menuId).style.display = 'none';
    }

    if(document.getElementById(linkId))
    {
      document.getElementById(linkId).style.background = '';
    }
    
    unhideBadComponents();

    dontHideMenu();
  }

  function OpenMenu(id)
  {
    CloseMenu();    
    
    switch(id)
    {
       case 1:
          cat = 'Home';
          background = 'url(/images/topMenuHomeOver.jpg)';
       break;   
       
       case 2:
          cat = 'OFirme';
          background = 'url(/images/topMenuOfirmeOver.jpg)';
       break;   

       case 3:
          cat = 'Sluzby';
          background = 'url(/images/topMenuSluzbyOver.jpg)';
       break;   

       case 4:
          cat = 'Reference';
          background = 'url(/images/topMenuReferenceOver.jpg)';

       case 5:
          cat = 'Kontakt';
          background = 'url(/images/topMenuKontaktOver.jpg)';

       break;         
    }
    
    window.status = "OpenMenu";
    menuId = "menu"+id;
    linkId = "headline"+cat;
    
    //alert(linkId);
    
    if(document.getElementById(menuId))
    {
      document.getElementById(menuId).style.display = 'block';
    }

    if(document.getElementById(linkId))
    {
      document.getElementById(linkId).style.background = background;
    }    
     
  }

  function dontHideMenu()
  {
    clearTimeout(timer);
  }