function SetLang ( Lang )
{
  	document.formLang.SetLang.value = Lang;
  	document.formLang.submit();
}

function LightButton ( Id )
{
 var Id;
 var Button = document.getElementById ( 'visible-button'+Id );
 Button.style.background = '#BD0E0E';
}

function DarkButton ( Id )
{
 var Id;
 var Button = document.getElementById ( 'visible-button'+Id );
 Button.style.background = '#CFBDBD';
}

function SetDisplayAlbumNick()
{
  NickPanel = document.getElementById("display_album_nick");
  NickPanel.style.display = "block";
  PwdPanel = document.getElementById("display_album_pwd");
  PwdPanel.style.display = "none";
}
function SetDisplayAlbumPwd()
{
  PwdPanel = document.getElementById("display_album_pwd");
  PwdPanel.style.display = "block";
  NickPanel = document.getElementById("display_album_nick");
  NickPanel.style.display = "none";
}
function SetDisplayAlbumNone()
{
  PwdPanel = document.getElementById("display_album_pwd");
  PwdPanel.style.display = "none";
  NickPanel = document.getElementById("display_album_nick");
  NickPanel.style.display = "none";
}

function smile( n )
{
  var v = this.document.form.Txt;
  var add = "!" + n + "!";
  v.focus();
  if (document.selection) {
    sel = document.selection.createRange();
    sel.text = add;
  } else if( v.selectionStart || v.selectionStart == "0" ) {
    var startPos = v.selectionStart;
    var endPos = v.selectionEnd;
    var len = v.value.length;
    v.value = v.value.substring(0, startPos) + add + v.value.substring(endPos, len);
  } else {
    v.value += add;
  }
}

function ConfirmTask(Str) {
  if(Str != undefined) {
    return confirm("Opravdu chcete provést úlohu '"+Str+"' ?");
  } else {
    return confirm("Opravdu chcete provést úlohu ?");
  }
}