function verify(f){
  var zapytanie =  f.q.value;
  var wynik = '';
  for(var i=0;i<zapytanie.length;i++){
    var ch=zapytanie.charAt(i)
    if((ch!='.') && (ch!='\n') && (ch!='\t') && (ch!='/') && (ch!='\\') && (ch!=',') && (ch!='%') && (ch!='&') && (ch!='?')){
      wynik = wynik + ch;
    }else{
      if(ch=='.'){
        wynik = wynik + '(kropka)';
      }
    }
  }
  if(wynik.length > 0){
    window.location = 'szukaj,1,' + urlencode(wynik) + '.php'; 
    return false;
  }else{
    window.location = 'index.php';
    return false;
  }
}

function urlencode(str) {
  return unescape(str.replace(' ', '+'));
}

function potwierdz(link,komunikat) {
  if (confirm(komunikat)) {
    location.href=link
  }
}
function zlicz(obiekt,min,pole){
  var ilosc = 0;
  var zliczac = 1;
  var ile = obiekt.value;
  for(var i=0;i<ile.length;i++){
    var ch = ile.charAt(i)
    if (ch == '['){
      zliczac = 2;
    }
    if (ch == ']'){
      zliczac = 1;
    }
    if (zliczac == 1 && (ch!='\n') && (ch!='\t') && (ch!='[') && (ch!=']')){
      ilosc ++;
    }
  }
  document.forms[1].elements[pole].value = ilosc;
  if(ilosc<min){
    document.forms[1].elements[pole].style.color = '#CD3333';
  }else{
    document.forms[1].elements[pole].style.color = '#ababab';
  }
}
function getSelectedText(){
  //http://forum.webhelp.pl/javascript/zamiana-zaznaczonego-tekstu-w-textarea-t203847.html
  if(window.getSelection){
     return window.getSelection().toString();
  }
  else if(document.getSelection){
     return document.getSelection();
  }
  else if(document.selection){
     return document.selection.createRange().text;
  }
}


function replaceSelection(textField){
  var s;
  var textField = document.forms[1].elements['opis']
  if(getSelectedText() == ''){
     var selectedText = textField.value.substring(textField.selectionStart,textField.selectionEnd);
  }
  else {
     var selectedText = getSelectedText();
  }
  newText = '[url=http://]' + selectedText + '[/url]';
  if(typeof textField.selectionStart != 'undefined'){
     textField.value=textField.value.substring(0,s=textField.selectionStart) + newText + textField.value.substr(textField.selectionEnd);
     textField.selectionStart=s;
     textField.selectionEnd=s+newText.length;
  }
  else if((s=document.selection) && s.createRange){
     s=s.createRange();
     s.text=newText;
  }
}