var WindowObjectReference = null; // global variable

function otworz_okno(strUrl, strWindowName, width, height)
{
var strWindowName = 'Zdjecie';
  if(WindowObjectReference == null || WindowObjectReference.closed)
  {
    WindowObjectReference = window.open(strUrl, strWindowName,
           "resizable=yes,scrollbars=yes,status=yes,width="+width+",height="+height);
  }
  else
  {
    WindowObjectReference.focus();
  };
}
	
	function clickclear(thisfield, defaulttext) {
		if (thisfield.value == defaulttext) {
			thisfield.value = "";
		}
	}
	
	function clickrecall(thisfield, defaulttext) {
		if (thisfield.value == "") {
			thisfield.value = defaulttext;
		}
	}
	
	var faktura_imie = "";
	var faktura_nazwisko = "";
	var faktura_ulica = "";
	var faktura_mieszkanie = "";
	var faktura_dom = "";
	var faktura_kod = "";
	var faktura_miejscowosc = "";
	
	function InitSaveVariables(form) {
	faktura_imie = form.faktura_imie.value;
	faktura_nazwisko = form.faktura_nazwisko.value;
	faktura_ulica = form.faktura_ulica.value;
	faktura_mieszkanie = form.faktura_mieszkanie.value;
	faktura_dom = form.faktura_dom.value;
	faktura_kod = form.faktura_kod.value;
	faktura_miejscowosc = form.miejscowosc.value;
	}
	
	function ShipToBillPerson(form) {
	if (form.copy.checked) {
	InitSaveVariables(form);
	form.faktura_imie.value = form.imie.value;
	form.faktura_nazwisko.value = form.nazwisko.value;
	form.faktura_ulica.value = form.ulica.value;
	form.faktura_mieszkanie.value = form.mieszkanie.value;
	form.faktura_dom.value = form.dom.value;
	form.faktura_kod.value = form.kod.value;
	form.faktura_miejscowosc.value = form.miejscowosc.value;
	
	} else {
	form.faktura_imie.value = faktura_imie;
	form.faktura_nazwisko.value = faktura_nazwisko;
	form.faktura_ulica.value = faktura_ulica;
	form.faktura_mieszkanie.value = faktura_mieszkanie;
	form.faktura_dom.value = faktura_dom;
	form.faktura_kod.value = faktura_kod;
	form.faktura_miejscowosc.value = faktura_miejscowosc;
	}
	}
	//  End -->
	
	/* The following function creates an XMLHttpRequest object... */

function createRequestObject(){
	var request_o; //declare the variable to hold the object.
	var browser = navigator.appName; //find the browser name
	if(browser == "Microsoft Internet Explorer"){
		/* Create the object using MSIE's method */
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		/* Create the object using other browser's method */
		request_o = new XMLHttpRequest();
	}
	return request_o; //return the object
}

/* The variable http will hold our new XMLHttpRequest object. */
var http = createRequestObject(); 

/* Function called to get the product categories list */
function getProducts(rozmiar, prod, targetDiv, szczegoly){
	/* Create the request. The first argument to the open function is the method (POST/GET),
		and the second argument is the url... 
		document contains references to all items on the page
		We can reference document.form_category_select.select_category_select and we will
		be referencing the dropdown list. The selectedIndex property will give us the 
		index of the selected item. 
	*/

	
	
	http.open('get', '/parametry/?rozmiar=' 
			+rozmiar+'&prod='+prod+'&targetDiv='+targetDiv+'&szczegoly='+szczegoly);

	/* Define a function to call once a response has been received. This will be our
		handleProductCategories function that we define below. */
		var obj = document.getElementById(targetDiv);
	http.onreadystatechange = function() {
		if(http.readyState == 4){ //Finished loading the response
			/* We have got the response from the server-side script,
				let's see just what it was. using the responseText property of 
				the XMLHttpRequest object. */
			var response = http.responseText;
			/* And now we want to change the product_categories <div> content.
				we do this using an ability to get/change the content of a page element 
				that we can find: innerHTML. */
			obj.innerHTML = response;
		}
	}
	/* Send the data. We use something other than null when we are sending using the POST
		method. */
	http.send(null);
}

function spraw() {
	if (document.f1.s1.value==0) {
		alert("Wybierz sposób platnosci");
		return false;
	} else {
		return true;
	}
}

	

function openRequestedPopup3()
{
 WindowObjectReference = window.open("przypominacz.php",
       "DescriptiveWindowName",
       "resizable=yes,scrollbars=yes,status=yes,width=400,height=300");
}


function ajax_pobierz_kolory(id, miejsce) {
	var rozmiar = document.getElementById('rozmiary_id_'+id).value;
	if (rozmiar == 0) {
		document.getElementById('kolory_div_id_'+id).innerHTML = '';
		document.getElementById('submit_button_id_'+id).onclick = kolorICena;
		return;
	}
	//var id = document.getElementById('produkty_id').value;

	var strURL = '/ext/rozmiary_kolory/kolory/'+id+'/'+rozmiar+'/'+miejsce;

	http.open('POST', strURL);

	http.setRequestHeader("Method", "POST " + strURL + " HTTP/1.1");
	http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

	http.onreadystatechange = function() {
		if(http.readyState == 4){ //Finished loading the response
			var response = http.responseText;
			document.getElementById('kolory_div_id_'+id).innerHTML = response;
			document.getElementById('submit_button_id_'+id).onclick = function () {
				document.getElementById('koszyk_id_'+id).submit();
			}
		}
	}
	
	http.send(null);
}
function ajax_poinformuj_o_porownaniu(wlacz_wylacz) {
	if (wlacz_wylacz) {
		var strURL = '/ext/porownywarka/zaczynaj';
	} else {
		var strURL = '/ext/porownywarka/wylacz';
	}
	
	http.open('POST', strURL);

	http.setRequestHeader("Method", "POST " + strURL + " HTTP/1.1");
	http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

	http.onreadystatechange = function() {
		if(http.readyState == 4){ //Finished loading the response
			var i = 0;
			porownywarka_stan = !porownywarka_stan;
			
			if (wlacz_wylacz) {						
				document.getElementById('porownywarka_ed_id').innerHTML = 'Wyłącz porównywarke';
				document.getElementById('porownywarka_wyswietl_button_id').style.visibility = 'visible';
				document.getElementById('porownywarka_wyswietl_button_id').style.height = 'auto';
			} else {
				document.getElementById('porownywarka_ed_id').innerHTML = 'Porównaj produkty';				
				document.getElementById('porownywarka_wyswietl_button_id').style.visibility = 'hidden';
				document.getElementById('porownywarka_wyswietl_button_id').style.height = '0px';
			}
			
			while (true) {
				var ckb = document.getElementById('prownanie_id_'+i++);
				
				if (ckb!=null) {
					if (wlacz_wylacz) {						
						ckb.style.visibility = 'visible';
						ckb.style.height = 'auto';
					} else {
						ckb.style.visibility = 'hidden';
						document.getElementById('ckb_porownanie_id_'+(i-1)).checked = false;
						ckb.style.height = '0px';
						zaznaczono = 0;						
					}
				} else {
					break;
				}
			}
		}
	}
	
	http.send(null);	
}

function ajax_dodaj_do_porownania(id, nr) {
	var strURL = '/ext/porownywarka/dodaj/'+id;
	var komunikat = komunikat;

	http.open('POST', strURL);

	http.setRequestHeader("Method", "POST " + strURL + " HTTP/1.1");
	http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

	http.onreadystatechange = function() {
		if(http.readyState == 4){
			document.getElementById('komonikat_prownanie_id_'+nr).innerHTML = 'porównaj';
			document.getElementById('ckb_porownanie_id_'+nr).disabled = false;			
		}
	}
	
	http.send(null);		
}

function kolorICena() {
	alert("Najpierw wybierz rozmiar i kolor");
}

function round_number (num, dec)
{ // low-level numeric format with upward rounding at 5+
 var cDec = '.'; // decimal point symbol
 if (!(dec >= 0 && dec <= 9))
  dec = 2;
 if (isNaN (num) || num == '')
 { // zero values are returned in proper decimal format
  var sdec = "";
  for (var i = 0; i < dec; i++)
   sdec += '0';
  return "0" + (sdec != "" ? cDec + sdec : "");
 }
 var snum = new String (num);
 var arr_num = snum.split (cDec);
 var neg = '';
 var nullify = 0;
 dec_a = arr_num.length > 1 ? arr_num[1].length : 0;
 if (dec_a <= dec)
 { // fill decimal places with trailing zeros if necessary
  if (!dec_a)
   arr_num[1] = "";
  for (var i = 0; i < dec - dec_a; i++)
   arr_num[1] += '0';
  dec_a = dec;
 }
 // total decimal places in value before rounding and formatting
 dec_i = dec_a;
 dec_a -= dec;
 if (arr_num[0].charAt(0) == '-')
 { // preserve negative symbol, remove from value (calculations)
  neg = '-';
  arr_num[0] = arr_num[0].substring (1, arr_num[0].length);
 }
 if (!parseInt (arr_num[0])) // case when whole value is 0
 { // nullify a zero whole value for correct decimal point placement
  arr_num[0] = "1"; // 0 whole # would not preserve amount in calc.
  nullify = 1; // flag to remove greatest 1 portion from whole #
 }
 var whole = parseInt (arr_num[0] * Math.pow (10, arr_num[1].length));
 // remove leading zeros
 for (i = 0; i < arr_num[1].length; i++)
  if (arr_num[1].charAt (i) != '0')
   break;
 if (arr_num[1].length == i) // decimal portion blank or all zeros
  return (neg + arr_num[0] + (arr_num[1] != "" ? (cDec + arr_num[1]) : ""));
 whole += parseInt (arr_num[1].substring (i, arr_num[1].length));
 if (arr_num[1].length != dec)
 { // round number affecting appropriate cluster of decimal places
  var diff = "";
  var str = new String (whole);
  for (i = dec_a; i > 0; i--)
   diff += str.charAt (str.length - i);
  diff = Math.pow (10, dec_a) - parseInt (diff);
  whole += ((diff <= 5 * Math.pow (10, dec_a - 1)) ? diff : 0);
 }
 str = new String (whole);
 var str_f = "";
 var j = 0;
 var k = 0;
 if (nullify)
 {
  arr_num[0] = "0"; // remove 1 from greatest decimal place (restoration)
  str = (parseInt (str.charAt(0)) - 1) + str.substring (1, str.length);
 }
 else // re-assign whole numeric portion from entire numeric string value
  arr_num[0] = str.substring (0, str.length - dec_i);
 for (i = 0; i < str.length; i++)
 { // combine portions of decimal number (whole, fraction, sign)
  if (k - 1 > dec)
   break; // fraction termination case
  if (j == arr_num[0].length)
  {
   if (!j)
    str_f += 0;
   str_f += (dec != 0 ? cDec : ''); // insert decimal point
   --i; // backtrack one character
   k++; // signal fraction count
  }
  else // assign character by character
   str_f += str.charAt (i);
  j++;
  if (k) // fractional counter increment
   k++;
 }
 return neg + str_f;
}