var xmlhttp;

function changeList(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="changelist.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function changeList2(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="changelist2.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function changeStockList(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="changeDropDown.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function showTable(t,s)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="getTable.php";
url=url+"?t="+t+"&s="+s;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged2;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function showStockBuildings(t,s)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="getStockBuildings.php";
url=url+"?t="+t+"&s="+s;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged2;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function showStockBuildingsSize(t)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="getStockBuildings2.php";
url=url+"?t="+t;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged2;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged()
{
var myobject;
var mytext;
if (xmlhttp.readyState==4)
{
myobject = document.getElementById("categories2");
mytext = xmlhttp.responseText;
//alert(mytext);
myobject.outerHTML = mytext;
//myobject.innerHTML="test";

}
}

function stateChanged2()
{
var myobject;
var mytext;
if (xmlhttp.readyState==4)
{
myobject = document.getElementById("stocktable");
mytext = xmlhttp.responseText;
//alert(mytext);
myobject.innerHTML = mytext;
//myobject.innerHTML="test";

}
}

function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}