var xmlHttp;

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;
}

function GetVelikost()
{
  var artikelID = document.getElementById("detailID").value;
  var barvaID   = document.getElementById("txtBarvaID").value;
  if (artikelID.length!=0 || barvaID.length!=0)
  {
	  xmlHttp=GetXmlHttpObject();
		if (xmlHttp==null)
  	{
  		alert ("Your browser does not support AJAX!");
  		return;
  	} 
   var url="ajax_getvelikost.asp";
   url=url+"?ArtikelID="+ artikelID + "&barvaID=" + barvaID;
   xmlHttp.onreadystatechange=DataVelikostReady;
   xmlHttp.open("GET",url,true);
   xmlHttp.send(null);
 	}
}
function GetNavi()
{
  var inf = document.getElementById("txtSkupinaID").value;
  if (inf.length!=0)
  {
	  xmlHttp=GetXmlHttpObject();
		if (xmlHttp==null)
  	{
  		alert ("Your browser does not support AJAX!");
  		return;
  	} 
   var url="ajax_getnavi.asp";
   url=url+"?SkupinaID="+ inf;
   xmlHttp.onreadystatechange=DataSubNaviReady;
   xmlHttp.open("GET",url,true);
   xmlHttp.send(null);
 	}
}

function GetDostava()
{
  var inf = document.getElementById("txtDostavaID").value;
  var teza = document.getElementById("txtTeza").value;
  var cena = document.getElementById("txtCena").value;
  if (inf.length!=0)
  {
	  xmlHttp=GetXmlHttpObject();
		if (xmlHttp==null)
  	{
  		alert ("Your browser does not support AJAX!");
  		return;
  	} 
   var url="ajax_getdostava.asp";
   url=url+"?DostavaID="+ inf + "&Teza="+ teza + "&Total=" + cena;
   xmlHttp.onreadystatechange=DataDostavaReady;
   xmlHttp.open("GET",url,true);
   xmlHttp.send(null);
 	}
}

function DataVelikostReady()
{
	if (xmlHttp.readyState==4)
	{
		document.getElementById("VelikostPrikazi").innerHTML=xmlHttp.responseText;
	}
}
function DataDostavaReady()
{
	if (xmlHttp.readyState==4)
	{
		document.getElementById("dostava_tabela").innerHTML=xmlHttp.responseText;
	}
}
 
function DataSubNaviReady() 
{ 
	if (xmlHttp.readyState==4)
	{
		//alert(xmlHttp.responseText);
		document.getElementById("commentFormVrsta").innerHTML=xmlHttp.responseText;
	}
}