/*
 * javascript effekty pre hlavne menu
 *
 */

var visibleMenu;

function setVisibleMenu(id) {
  visibleMenu = id;
}

function switchSubmenu(id) {
  document.getElementById('home_sub-'+visibleMenu).style.display = 'none';
  document.getElementById('home-'+visibleMenu).style.color = '#999999';
  
  if (document.getElementById('home_sub-'+id).style.display != 'block') {
    document.getElementById('home_sub-'+id).style.display = 'block';
    document.getElementById('home-'+id).style.color = '#444';
    setVisibleMenu(id);
  }
}