function setFontSizer(direct) {
  var fsize, nsize;
  var poprzedni = readCookie("fsize");
  var disable_p = 0;
  var disable_m = 0;
  
  fsize = document.body.style.fontSize;

  if(direct == 'plus')
  {
	switch (fsize)
	{
		case '0.69em': nsize = '0.8em';disable_p = 1;disable_m = 1;break;
		case '0.8em': nsize = '0.9em';disable_p = 1;disable_m = 1;break;
		case '0.9em': nsize = '1em';disable_p = 1;disable_m = 1;break;
		case '1em': nsize = '1.1em';disable_p = 0;disable_m = 1;break;	
		default : nsize = '1.1em';disable_p = 0; disable_m = 1;
	}	
	document.body.style.fontSize = nsize;	
	createCookie("fsize", nsize, 365);	
  }

  if(direct == 'min')
  {
	switch (fsize)
	{
		case '0.8em': nsize = '0.69em';disable_m = 0;disable_p = 1;break;
		case '0.9em': nsize = '0.8em';disable_m = 1;disable_p = 1;break;
		case '1em': nsize = '0.9em';disable_m = 1;disable_p = 1;break;	
		case '1.1em': nsize = '1em';disable_m = 1;disable_p = 1;break;	
		default : nsize = '0.69em';disable_m = 0;disable_p = 1;
	}
	document.body.style.fontSize = nsize;	
	createCookie("fsize", nsize, 365);	
  } 
}

window.onload = function()
{
	var fontCookie = readCookie("fsize");
	
	if(fontCookie != null)
		document.body.style.fontSize = fontCookie;
	
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}


function drukuj_artykul(art,lang){ 
  var adres = './pliki_strony_kontroler/tresc_eksport.php?akcja=drukujART&art=' + art + "&lang=" + lang;
  okno = open(adres,'o','scrollbars,resizable, width=750, height=600');
  return true;
}

function checkform_mail (form){

  if (form.adres_email.value=='') {
    if(form.dopisz[0].checked) alert("Proszę podać adres e-mail w celu zapisania się do listy mailingowej!");
    if(form.dopisz[1].checked) alert("Proszę podać adres e-mail w celu wypisania się z listy mailingowej!");
    return false;
  }
  if(form.adres_email.value!=''){
    var wzor_adres = /^([\w\.+_\-]+)@([\w\.\-_]+)\.([a-z]{2,6})$/; 
    var str_adres = form.adres_email.value; 
    if(!(wzor_adres.test(str_adres))){
      alert('"' + str_adres + '" to nie jest poprawny adres e-mail!');
      return false;
    }
  }

}

function checkform_zapytanie (form){

  if(form.przetwarzanie.checked==false){
    alert("Proszę wyrazić zgodę na przetwarzanie danych osobowych!");
    return false;
  }
  
  if (form.imienazwisko.value==''){
    alert("Proszę podać swoje imię i nazwisko!");
    return false;
  }

  if (form.adres_email.value=='') {
    alert("Proszę podać adres e-mail w celu wysłania zapytania!");
    return false;
  }
  if(form.adres_email.value!=''){
      var wzor_adres = /^([\w\.+_\-]+)@([\w\.\-_]+)\.([a-z]{2,6})$/; 
      var str_adres = form.adres_email.value; 
      if(!(wzor_adres.test(str_adres))){
        alert('"' + str_adres + '" to nie jest poprawny adres e-mail!');
        return false;
      }
  }
  if (form.miasto.value=='0'){
     alert("Proszę wybrać miasto!");
     return false;
  }
  if (form.miasto.value=='inne' && form.miasto_inne.value==''){
     alert("Proszę wpisać inne miasto!");
     return false;
  }
  if (form.tresc_zapytanie.value==''){
     alert("Proszę podać treść zapytania!");
     return false;
  }
  
}

function dodaj_do_koszyka (form, sprawdz_parametry){
  if(sprawdz_parametry=='1'){
    if (form.produkt_parametr.value=='0') 
    {
      alert("Proszę wybrać parametr produktu!");
      return false;
    }
  }
  form.submit();
}

function sprawdz_miasto(){
  if(formkontakt.miasto.value=='inne'){
    formkontakt.miasto_inne.disabled=false;
  }
  else {
    formkontakt.miasto_inne.disabled=true;
  }
}

function wstawobiektflash(nazwa,szerokosc,wysokosc){
  document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="'+szerokosc+'" height="'+wysokosc+'" id="testNaStr" align="middle">');
  document.write('<param name="allowScriptAccess" value="sameDomain" />');
  document.write('<param name="movie" value="'+nazwa+'" />');
  document.write('<param name="quality" value="high" />');
  document.write('<param name="wmode" value="transparent" />');
  document.write('<param name="bgcolor" value="#ffffff" />');
  document.write('<embed wmode="transparent" src="'+nazwa+'" quality="high" bgcolor="#ffffff" width="'+szerokosc+'" height="'+wysokosc+'" name="testNaStr" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />');
  document.write('</object>');
}


function wstawobiektflashVARS(nazwa,szerokosc,wysokosc,idfvars){
  document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="'+szerokosc+'" height="'+wysokosc+'" id="testNaStr" align="middle">');
  document.write('<param name="allowScriptAccess" value="sameDomain" />');
  document.write('<param name="movie" value="'+nazwa+'" />');
  document.write('<param name="quality" value="high" />');
  document.write('<param name="wmode" value="transparent" />');
  document.write('<param name="flashvars" value="id='+idfvars+'" />');
  document.write('<param name="bgcolor" value="#ffffff" />');
  document.write('<embed wmode="transparent" flashvars="id='+idfvars+'" src="'+nazwa+'" quality="high" bgcolor="#ffffff" width="'+szerokosc+'" height="'+wysokosc+'" name="testNaStr" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />');
  document.write('</object>');
}

function wstawPlayerMP3 (muzyka){
  document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="370" height="45" id="playermp3" align="middle">');
  document.write('<param name="allowScriptAccess" value="sameDomain" />');
  document.write('<param name="movie" value="swf/mp3player.swf" />');
  document.write('<param name="quality" value="high" />');
  document.write('<param name="wmode" value="opaque" />');
  document.write('<param name="flashvars" value="muzyka='+muzyka+'" />');
  document.write('<param name="bgcolor" value="#FFFFFF" />');
  document.write('<embed wmode="opaque" flashvars="muzyka='+muzyka+'" src="swf/mp3player.swf" quality="high" bgcolor="#FFFFF" width="370" height="45" name="playermp3" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />');
  document.write('</object>');  
}

function ukryj_blok(id) {
 if (navigator.appName=="Microsoft Internet Explorer") { 
   document.all[id].style.visibility = 'hidden';
   document.all[id].style.display = 'none';
 }
 else { 
   document.getElementById(id).style.visibility = 'hidden';
   document.getElementById(id).style.display = 'none';
 }
}

function pokaz_blok(id) {
 if (navigator.appName=="Microsoft Internet Explorer") { 
   document.all[id].style.visibility = 'visible';
   document.all[id].style.display = 'block';
 }
 else { 
   document.getElementById(id).style.visibility = 'visible';
   document.getElementById(id).style.display = 'block';
 }
}

function roundN (n, m) {
  liczba = Math.round((n*Math.pow(10, m)))/Math.pow(10, m);
  if (liczba%1 == 0) {
    liczba += ".";
    for (i=0; i<m; i++) {
      liczba += "0";
    }
    return liczba;
  }
  return liczba;
}

function checkform_kontakt(form,lang){
 
 if (form.adres_email.value==''){
 
   if(lang==1){
      alert("Proszę podać adres e-mail!");
   }
   else if(lang==2){
      alert("Please enter your e-mail!");
   }
   else if(lang==3){
      alert("Bitte geben Sie Ihre E-Mail!");
   }
   else{
      alert("Merci d’indiquer Votre E-Mail!");
   }
   return false;
 }
 if(form.adres_email.value!=''){
    var wzor_adres = /^([\w\.+_\-]+)@([\w\.\-_]+)\.([a-z]{2,6})$/; 
    var str_adres = form.adres_email.value; 
    if(!(wzor_adres.test(str_adres))){
      
       if(lang==1){
          alert('"' + str_adres + '" to nie jest poprawny adres e-mail!');
       }
       else if(lang==2){
          alert('"' + str_adres + '" this is not a valid e-mail!');
       }
       else if(lang==3){
          alert('"' + str_adres + '" Dies ist keine gültige E-Mail!');
       }
       else{
          alert('"' + str_adres + '" Ce n`est pas un e-mail valide!');
       }
        return false;
    } 
  }
  
  if (form.tresc_wiadomosci.value==''){
  
       if(lang==1){
          alert("Proszę wpisać Imię i Nazwisko!");
       }
       else if(lang==2){
          alert("Please enter your Name!");
       }
       else if(lang==2){
          alert("Please enter your Name!");
       }
       else if(lang==3){
          alert("Bitte geben Sie Ihren Namen!");
       }
       else{
          alert("Merci d’indiquer Votre Nom");
       }
     return false;
 }
 
 
  
 form.submit();
}

//-----------
        function over_btn(id){
           var left="left"+id;
           var right="right"+id;
           //alert (left);
           //alert (right);
           var button_left = document.getElementById(left);
           var button_right = document.getElementById(right);
           var url_left='images/menu_left_on.png';
           var url_right='images/menu_right_on.png';
           //alert (url);
           button_left.src = url_left;
           button_right.src = url_right;
        }
        function out_btn(id){
           var left="left"+id;
           var right="right"+id;
          // alert (name);
           var button_left = document.getElementById(left);
           var button_right = document.getElementById(right);
           var url_left='images/menu_left_off.png';
           var url_right='images/menu_right_off.png';
           //alert (url);
           button_left.src = url_left;
           button_right.src = url_right;
        }
//---------------
//-----------
        function news_over_btn(id){
           var left="news_left"+id;
           var right="news_right"+id;
           //alert (left);
           //alert (right);
           var button_left = document.getElementById(left);
           var button_right = document.getElementById(right);
           var url_left='images/aktualnosci_left_on.png';
           var url_right='images/aktualnosci_right_on.png';
           //alert (url);
           button_left.src = url_left;
           button_right.src = url_right;
        }
        function news_out_btn(id){
           var left="news_left"+id;
           var right="news_right"+id;
          // alert (name);
           var button_left = document.getElementById(left);
           var button_right = document.getElementById(right);
           var url_left='images/aktualnosci_left_off.png';
           var url_right='images/aktualnosci_right_off.png';
           //alert (url);
           button_left.src = url_left;
           button_right.src = url_right;
        }
//---------------