var zpnum = 0;
function rozbal() {
  document.getElementById('pridajodkaz').style.display = zpnum ? "none" : "inline";
  zpnum = Math.abs(zpnum - 1);
}

function checkOdkaz(x) {
  var crf = document.odkaz, err = "";
    
  if (crf.nick.value == "") {
    err += " - " + onick + "\n";
  }
  
  if (crf.email.value=="") {
    err += " - " + mail1 + "\n";
  }
  else if (window.RegExp) {
    re = new RegExp("^[^.]+(\.[^.]+)*@([^.]+[.])+[a-z]{2,3}");
      if (!re.test(crf.email.value)) {
        err += " - " + mail2 + "\n";
      }
  }
  
  if (crf.overenie.value != "11") {
    err += " - " + over + "\n";
  }
  
  if (crf.sprava.value == "") {
    err += " - " + texts + "\n";
  }  
  
  if (err != "") {
    window.alert(zabudnut + ":\n" + err);
    return false;
  }
   else {
    return true;
   }
}

function checkForm() {

var cf3 = document.fm, err = "";
  
  if (cf3.fmmeno.value.length < 2) {
    err += " - " + meno + "\n";
  }
  
  if (cf3.fmpriezvisko.value.length < 3) {
    err += " - " + priezvisko + "\n";
  }
    
  if (cf3.fmmail.value=="") {
    err += " - " + mail1 + "\n";
  }
  else if (window.RegExp) {
    re = new RegExp("^[^.]+(\.[^.]+)*@([^.]+[.])+[a-z]{2,3}");
      if (!re.test(cf3.fmmail.value)) {
        err += " - " + mail2 + "\n";
      }
  }
 
  if (cf3.fmadresa.value.length < 3) {
    err += " - " + adresa + "\n";
  }
  
  if (cf3.fmmesto.value.length < 3) {
    err += " - " + mesto + "\n";
  }
  
  if (cf3.fmpsc.value.length < 3) {
    err += " - " + psc + "\n";
  }
  
  if (cf3.fmtel.value.length < 3) {
    err += " - " + tel + "\n";
  }
  
  if (cf3.fmtextobj.value.length < 3) {
    err += " - " + textobj + "\n";
  }

  if (err!="") {
    window.alert(zabudnut + ":\n" + err);
    return false;
  }
  else {
    return true;
  }
}