<!--

function hideOrShowById(id)
{
  if( !document.getElementById)
  {
    alert('Żeby poprawnie wyświetlić tą stronę przeglądarka musi obsługiwać DOM');
    return;    
  }
  var obj = document.getElementById(id);
  var name ='sub';
  var current = obj.style.display;
  if (current=="none")
  {
        // Display: none for all submenus 
        for ( i=0; document.getElementById(name+i)!=null; i++ )
        {
            document.getElementById(name+i).style.display = "none";    
        }
        // Display this element
        obj.style.display = "";
  }
  else
  {
        obj.style.display = "none";
  }
}

<!--

function chk_pass( pass_id, re_id, stan_id )
{   
    var stan = document.getElementById( stan_id );
    var pass = document.getElementById( pass_id );
    var re = document.getElementById( re_id );
    if( stan.value == 0 )
        return true;
        
    if( (pass.value == re.value) && pass.value ){
        stan.value = 1;
        return true;
    }
    else{
        alert("Niewłaściwie powtórzyłeś hasło");
        stan.value = 0;
        pass.value = '';
        re.value = '';
        return false;
    }
}

function no_refresh_check( id )
{   
    var stan = document.getElementById( id );
    nr=eval(stan.value);
    stan.value = ++nr;
    //alert("stan updated " + stan.value);    
}

function clear_ta( id )
{
    var ta = document.getElementById( id );
    ta.value = '';
}

function submit_form( id, action, norefr_id )
{   
    var form = document.getElementById( id );
    if( action ){
        form.action = action;
    }
    if( norefr_id ){
        no_refresh_check( norefr_id );
    }
    //alert( form.name );    
    form.submit();
}

function changed( id )
{   
    var stan = document.getElementById( id );
    stan.value = 1;
}

function ok( tekst )
{
    return confirm( tekst );
}

function ok_del( tekst )
{
    var disp;
    if ( tekst ){
        disp = tekst;
    }
    else{
        disp = "Czy napewno usunąć";
    }
    return confirm( disp );
}

function confirm_del( url, tekst )
{   
    var disp;
    if ( tekst ){
        disp = tekst;
    }
    else{
        disp = "Czy napewno usunąć";
    }
    if( confirm( disp )){
        window.location.href = url;
    }
}

function confirm_submit( form_id, action, tekst, norefr_id )
{   
    var disp;
    if ( tekst ){
        disp = tekst;
    }
    else{
        disp = "Czy napewno usunąć";
    }
    if( confirm( disp )){
        submit_form( form_id, action, norefr_id );
    }
}

function DispScrollWin(url, width, height)
{
    var ile,d=document;
    if (!d.okna){
        d.okna=new Array();
    }
    ile=d.okna.length;
    okno = d.okna[ile++]=window.open(url,'dw'+ile,
                                    'width=' + width + ',height=' + height + ',resizable=yes,scrollbars=yes,menubar=no');
}

//zaznacza wszystkie checkboxy name='delall....'
function select_all_boxes( form_id, switch_id )
{   
    var form = document.getElementById( form_id );
    for( i=0; i<form.elements.length; i++){
        if( form.elements[i].name.substring(0,6) == 'delall' ){
            form.elements[i].checked = document.getElementById( switch_id ).checked;
        }            
    }
}

function GetScroll( obj )
{   
    if( obj.nodeName!='A')
        return;
        
    var y;
    if( window.scrollY )
        y=window.scrollY;
    else if( document.body.scrollTop )
        y=document.body.scrollTop;
    else
        y=200;
    
    atr = obj.attributes;
    atr.getNamedItem("href").value+=y;
}

function PutScroll(y)
{   
    window.scrollTo(0, y);
}

-->