var xmlHttp

function delivery(str, val)
{
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	}

	var url="php/delivery.php"
	url=url+"?w="+str+"&v="+val
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged()
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
		var xxx = xmlHttp.responseText
		//document.getElementById("koszt_razem").innerHTML=z
		var price = parseInt(xxx);
		document.getElementById("sending_price").innerHTML = price + " zł";
		var total = parseInt(document.getElementById('total1').innerHTML);
		var total_order = total + price;
		//alert(total_order);
		document.getElementById("total").innerHTML = total_order + " zł";
	}
}




function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		//Internet Explorer
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}