function showMenuItem(str,activ) {
	if (document.getElementById){
	  if (document.getElementById(str).style.display == 'none'){
      document.getElementById(str).style.display = 'block';
			activ.className="active";
		}
		  else{
				document.getElementById(str).style.display = 'none';
	      activ.className="";
			}
	}
	else if (document.layers) document.layers[str].display = (document.layers[str].display == 'none') ? 'block' : 'none';
  else if (document.all) document.all[str].style.display = (document.all[str].style.display == 'none') ? 'block' : 'none';
}

function showMenuItem2(str) {
  if (document.layers) document.layers[str].display = (document.layers[str].display == 'none') ? 'block' : 'none';
  else if (document.all) document.all[str].style.display = (document.all[str].style.display == 'none') ? 'block' : 'none';
  else if (document.getElementById) document.getElementById(str).style.display = (document.getElementById(str).style.display == 'none') ? 'block' : 'none';
}

function resizeNews() {

    var heightL = document.getElementById('aktualitaL').getHeight();
    var heightR = document.getElementById('aktualitaR').getHeight();

    if (heightL > heightR) {
        var rozdil = heightL - heightR;
        document.getElementById("rightMore").style.marginTop = rozdil + 'px';
    } else {
        var rozdil=heightR - heightL;
        document.getElementById("leftMore").style.marginTop = rozdil + 'px';
    }

}