var timer, i, menuId, menuId2;
var dom = document.getElementById ? true : false;
var ie4 = ((document.all) && (!dom)) ? true : false;
var ns4 = document.layers ? true : false;
var opera = navigator.userAgent.indexOf('Opera') != -1 ? true : false;
var dhtml = dom ? true : ie4 ? true : false;
var image1=new Image()
image1.src="style/images/hornimenu/menu-fialove_01.gif"
var image2=new Image()
image2.src="style/images/hornimenu/menu-fialove_02.gif"
var image3=new Image()
image3.src="style/images/hornimenu/menu-fialove_03.gif"
var image4=new Image()
image4.src="style/images/hornimenu/menu-fialove_04.gif"
var image5=new Image()
image5.src="style/images/hornimenu/menu-fialove_05.gif"
var image6=new Image()
image6.src="style/images/hornimenu/menu-fialove_06.gif"
var image7=new Image()
image7.src="style/images/hornimenu/menu-fialove_07.gif"
var image8=new Image()
image8.src="style/images/hornimenu/menu-fialove_08.gif"


function setVisibility(element,newVisibility)
{
  if (dhtml)
  {
    if (dom) document.getElementById(element).style.visibility = newVisibility;
    else if (ie4) document.all[element].style.visibility = newVisibility;
  }
}

function menu()
{
  if (dhtml)
  {
   setVisibility('menuHolder','visible');
  }
}

function showMenu(id,id2)
{
  if (dhtml)
  {
    clearTimeout(timer);
    for (i = 1; i <= 5; i++) if ((i != id) && (i != id2)) setVisibility('hiddenMenu' + i,'hidden');
    setVisibility('hiddenMenu' + id,'visible');

    if (id2 != 0) setVisibility('hiddenMenu' + id2,'visible');
  }
}

function hideMenu(id,id2)
{
  if (dhtml)
  { 
    if ((id >= 6) && (id2 == 0)) setVisibility('hiddenMenu' + id,'hidden');
    else
    {
      menuId = 'hiddenMenu' + id;
      if (id2 != 0) 
      {
        menuId2 = 'hiddenMenu' + id2;
        timer = setTimeout("setVisibility(menuId,'hidden'); setVisibility(menuId2,'hidden')",50);
      }
      else timer = setTimeout("setVisibility(menuId,'hidden')",50);
    }
  }
}

function dontHideMenu()
{
  if (dhtml) clearTimeout(timer);
}