function switcher_headline (divId) {
  var periods = new Array("top-tyzdna", "minuly-tyzden", "minuly-mesiac", "vybrane-z-archivu");
  for (i=0; i<periods.length; i++) {
    var divPeriod = document.getElementById(periods[i]);
    if (periods[i]==divId) 
      divPeriod.style.display = 'block';
    else 
      divPeriod.style.display = 'none';
  }
}

function switcher (link, divParentId) {
  switch (divParentId) {
    case "articles":
      var reg=/articles/;
      break;
    case "wanda":
      var reg =/wanda/;
      break;
    case "zena":
      var reg =/zena/;
      break;
    case "infos":
      var reg =/infos/;
      break;
    default:
      var reg =/articles/;
      break;
  }

  var links = link.parentNode.getElementsByTagName('a');
	for (var i = 0, each = null; null != (each = links[i]); i++) {
    if (link==links[i]) links[i].className = 'act';
    else  links[i].className = '';
  }
  
  var parentDiv = document.getElementById(divParentId);
  var divs = parentDiv.getElementsByTagName('div');

	for (var i = 0, each = null; null != (each = divs[i]); i++) {
    var result = reg.test(divs[i].id);
    if (result) {
      if (divs[i].id==(link.id+divParentId))    divs[i].style.display = 'block';
      else    divs[i].style.display = 'none';
    }
  }
}

function switcher_video_tabs (id_tab, id_acttab) {
  var link = document.getElementById(id_tab);
  var zalozka = document.getElementById(id_tab + '_content');
  var act_link = document.getElementById(id_acttab);
  var act_zalozka = document.getElementById(id_acttab + '_content');
  link.className = 'sel';
  zalozka.style.display = 'block';
  act_link.className = '';
  act_zalozka.style.display = 'none';
}

function highlight_copy(el) {
  el.focus();
	el.select();
  txtVar = el.createTextRange();
	txtVar.execCommand("Copy");
}