function add_tr(nazov, max) {

  document.getElementById(nazov + "_hidden").value++;
  
  hidden = document.getElementById(nazov + "_hidden").value;
  
  document.getElementById(nazov + "_" + hidden).style.display = "";
  if (hidden > (max-1))
    document.getElementById(nazov + "_tr").style.display = "none";
}

function add_link(nazov, text, max) {
  document.write("<tr class='right' id='" + nazov + "_tr'><td><a href='javascript:void(0)' onclick='add_tr(\"" + nazov + "\"," + max + ")'>" + text + "</a><input type='hidden' id='" + nazov +"_hidden' value='1' /></td></tr>");
}