function szukaj(wartosc, id) {
var xhr = xmlhttp();
var plik = "baza.php";
xhr.open("GET", plik+"?parametr="+wartosc+"&id="+id, true);

xhr.onreadystatechange = function () {
 if(xhr.readyState == 4 && xhr.status == 200) {
 saveResult(xhr.responseText);
 }
 else {
 saveResult("Wystapił błąd podczas żądania: " + xhr.statusText); 
 }
};

xhr.send(null);
}



//funckja tworzaca obiekt XMLHttp w roznych przegladarkach
function xmlhttp() {
 if (typeof XMLHttpRequest != "undefined") {
 return new XMLHttpRequest();
 }
 else if (window.ActiveXobject) {
 var aVersions = ["MSXML2.XMLHttp.5.0", "MSXML2.XMLHttp.4.0", "MSXML2.XMLHttp.3.0", "MSXML2.XMLHttp", "MSXML2.XMLHttp", "Microsoft.XMLHttp"];

  for (var i=0; i<aVersions.length; i++)  {
   try {
   var oXmlHttp = new ActiveXObject(aVersions[i]);
   return oXmlHttp;
   }
   catch (oError) {}
  }
 }
throw new Error("Nie można utworzyć obiektu XMLHttp.");
}


function koduj(oForm) {
var aParams = new Array();

 for (var i=0; i<oForm.length; i++) {
 var param = encodeURIComponent(oForm.elements[i].name);
 param += "=";
 param += encodeURIComponent(oForm.elements[i].value);
 aParams = push(param);
 }
 return aParams.join("&");
}


function saveResult(tresc) {
var box = document.getElementById("przycisk_quantity");
if (box.innerHTML != "") box.innerHTML = "";
box.innerHTML = tresc;
}



function show_payment()
{
//alert('show');    
//alert(document.cart_order.delivery.selectedIndex);
for(i=1;i<=deliverys_count;i++)
  {
  document.getElementById("payment_"+i).style.display="none";
  document.getElementById("payment_radio_"+i+"_0").checked=true;  
  }
for(i=1;i<=deliverys_count;i++) if(document.cart_order.delivery[i-1].checked==true)
  {
  //alert(i);  
  document.getElementById("payment_"+i).style.display="block";
  selected_payment(i);   
  }

}

function selected_payment(delivery)
{
//alert(delivery);    
//alert(document.getElementById("payment_select_"+delivery).options[document.getElementById("payment_select_"+delivery).selectedIndex].value);
payname = ""; payprice = 0;

for(p=0;p<payments_count[delivery];p++) 
  {
  //alert(p+" - "+payments_count[delivery]);  
  if(document.getElementById("payment_radio_"+delivery+"_"+p).checked==true) {payprice = document.getElementById("payment_radio_"+delivery+"_"+p).value; payname = document.getElementById("radio_"+delivery+"_"+(p)).value;}
  }  

 /*
if(delivery==1) for(i=0;i<document.cart_order.payment_1.length;i++) if(document.getElementById("payment_radio_1_"+i).checked==true) {payprice = document.getElementById("payment_radio_1_"+i).value; payname = document.getElementById("radio_"+delivery+"_"+(i)).value;}
if(delivery==2) for(i=0;i<document.cart_order.payment_2.length;i++) if(document.getElementById("payment_radio_2_"+i).checked==true) {payprice = document.getElementById("payment_radio_2_"+i).value; payname = document.getElementById("radio_"+delivery+"_"+(i)).value;}
if(delivery==3) for(i=0;i<document.cart_order.payment_3.length;i++) if(document.getElementById("payment_radio_3_"+i).checked==true) {payprice = document.getElementById("payment_radio_3_"+i).value; payname = document.getElementById("radio_"+delivery+"_"+(i)).value;}
if(delivery==4) for(i=0;i<document.cart_order.payment_4.length;i++) if(document.getElementById("payment_radio_4_"+i).checked==true) {payprice = document.getElementById("payment_radio_4_"+i).value; payname = document.getElementById("radio_"+delivery+"_"+(i)).value;}
if(delivery==5) for(i=0;i<document.cart_order.payment_5.length;i++) if(document.getElementById("payment_radio_5_"+i).checked==true) {payprice = document.getElementById("payment_radio_5_"+i).value; payname = document.getElementById("radio_"+delivery+"_"+(i)).value;}
*/
  
if(payprice!=0)
  {
  document.getElementById("delivery").style.display = "block";
  document.getElementById("delivery_name").innerHTML = "<b>dostawa:&nbsp;</b>"+document.cart_order.delivery[(delivery-1)].value+" ["+payname+"]";
  document.getElementById("delivery_price").innerHTML = number_format(payprice,2,","," ")+"zł<br>z VAT"; 
  document.getElementById("delivery_sum").innerHTML = number_format(((payprice/1)+(delivery_sum/1)),2,","," ")+"zł<br>z VAT"; 
  }
else document.getElementById("delivery").style.display="none";

document.cart_order.del.value = document.cart_order.delivery[(delivery-1)].value;
document.cart_order.pay.value = payname;
document.cart_order.payprice.value = payprice;
 
}


function check_order()
{
if(document.cart_order.del.value && document.cart_order.pay.value && document.cart_order.payprice.value) document.cart_order.submit();
else alert("Musisz wybrać metodę dostawy i formę płatno¶ci!");   
}


function number_format (number, decimals, dec_point, thousands_sep) {
    // Formats a number with grouped thousands
    //
    // version: 906.1806
    // discuss at: http://phpjs.org/functions/number_format    // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +     bugfix by: Michael White (http://getsprink.com)
    // +     bugfix by: Benjamin Lupton
    // +     bugfix by: Allan Jensen (http://www.winternet.no)    // +    revised by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +     bugfix by: Howard Yeend
    // +    revised by: Luke Smith (http://lucassmith.name)
    // +     bugfix by: Diogo Resende
    // +     bugfix by: Rival    // +     input by: Kheang Hok Chin (http://www.distantia.ca/)
    // +     improved by: davook
    // +     improved by: Brett Zamir (http://brett-zamir.me)
    // +     input by: Jay Klehr
    // +     improved by: Brett Zamir (http://brett-zamir.me)    // +     input by: Amir Habibi (http://www.residence-mixte.com/)
    // +     bugfix by: Brett Zamir (http://brett-zamir.me)
    // *     example 1: number_format(1234.56);
    // *     returns 1: '1,235'
    // *     example 2: number_format(1234.56, 2, ',', ' ');    // *     returns 2: '1 234,56'
    // *     example 3: number_format(1234.5678, 2, '.', '');
    // *     returns 3: '1234.57'
    // *     example 4: number_format(67, 2, ',', '.');
    // *     returns 4: '67,00'    // *     example 5: number_format(1000);
    // *     returns 5: '1,000'
    // *     example 6: number_format(67.311, 2);
    // *     returns 6: '67.31'
    // *     example 7: number_format(1000.55, 1);    // *     returns 7: '1,000.6'
    // *     example 8: number_format(67000, 5, ',', '.');
    // *     returns 8: '67.000,00000'
    // *     example 9: number_format(0.9, 0);
    // *     returns 9: '1'    // *     example 10: number_format('1.20', 2);
    // *     returns 10: '1.20'
    // *     example 11: number_format('1.20', 4);
    // *     returns 11: '1.2000'
    // *     example 12: number_format('1.2000', 3);    // *     returns 12: '1.200'
    var n = number, prec = decimals;
 
    var toFixedFix = function (n,prec) {
        var k = Math.pow(10,prec);        return (Math.round(n*k)/k).toString();
    };
 
    n = !isFinite(+n) ? 0 : +n;
    prec = !isFinite(+prec) ? 0 : Math.abs(prec);    var sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep;
    var dec = (typeof dec_point === 'undefined') ? '.' : dec_point;
 
    var s = (prec > 0) ? toFixedFix(n, prec) : toFixedFix(Math.round(n), prec); //fix for IE parseFloat(0.55).toFixed(0) = 0;
     var abs = toFixedFix(Math.abs(n), prec);
    var _, i;
 
    if (abs >= 1000) {
        _ = abs.split(/\D/);        i = _[0].length % 3 || 3;
 
        _[0] = s.slice(0,i + (n < 0)) +
              _[0].slice(i).replace(/(\d{3})/g, sep+'$1');
        s = _.join(dec);    } else {
        s = s.replace('.', dec);
    }
 
    var decPos = s.indexOf(dec);    if (prec >= 1 && decPos !== -1 && (s.length-decPos-1) < prec) {
        s += new Array(prec-(s.length-decPos-1)).join(0)+'0';
    }
    else if (prec >= 1 && decPos === -1) {
        s += dec+new Array(prec).join(0)+'0';    }
    return s;
}