var ktore;
var ktore2;
var co = false;
var tresci = new Array();
tresci[1] = "Wpisz tekst z obrazka!";
tresci[2] = "Uzupełnij wszystkie pola w formularzu, aby moć wysłać zapytanie!";
tresci[3] = "Wpisz poprawnie swój adres e-mail!";

var pozycja;

function ChangeBackground()
{
var imagenumber = 5
var randomnumber = Math.random()
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1
images = new Array
images[1] = "www/klocki/1.jpg";
images[2] = "www/klocki/2.jpg";
images[3] = "www/klocki/3.jpg";
images[4] = "www/klocki/4.jpg";
images[5] = "www/klocki/5.jpg";
var image = images[rand1];
obraz = document.getElementById('obrazek').src = image;

kod = new Array
kod[1] = "X1LoR2";
kod[2] = "9vMk9p";
kod[3] = "QxR73A";
kod[4] = "MnU8tj";
kod[5] = "aA5NgK";

pozycja = kod[rand1];
}



function sprpola()
{

if(document.new_mail.kodzobrazka.value != pozycja || document.new_mail.kodzobrazka.value == '')
{
	ktore2 = 1;
	openClose('pop');
	return false;
}

	if(document.new_mail.imie.value == '' || document.new_mail.email.value == '' || document.new_mail.nrtel.value == '' || document.new_mail.message.value == '' || document.new_mail.tytul.value == '')
	{
		ktore2 = 2;
		//alert (tresci[ktore2]);
		openClose('pop');
		return false;
	}
	if(document.new_mail.email.value != '')
	{
		reg = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
		wyn = document.new_mail.email.value.match(reg);
		if (wyn == null)
		{
			ktore2 = 3;
			openClose('pop');
			return false;
		}
	}
return true;
}

function openClose(id)
{
	element2 = document.getElementById('info');
	element2.innerHTML = tresci[ktore2];

   if(document.getElementById) {
      element = document.getElementById(id);
   } else if(document.all) {
      element = document.all[id];
   } else return;

   if(element.style) {
      if(element.style.display == 'block' ){
         element.style.display = 'none';
      } else {
         element.style.display = 'block';
      }
   }
}

function openClose2(id)
{
   if(document.getElementById) {
      element = document.getElementById(id);
   } else if(document.all) {
      element = document.all[id];
   } else return;

   if(element.style) {
      if(element.style.display == 'block' ){
         element.style.display = 'none';
      } else {
         element.style.display = 'block';
      }
   }
}
function onlydec(event,f)
{
if (event.srcElement) {kc = event.keyCode;} else {kc = event.which;}
if ((kc < 45 || kc > 57) && kc != 8 && kc != 0) return false;
return true;
}