var xmlhttp

function showCustomer(str)
{ 
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }        
var url="getcustomer_xml.asp";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

function stateChanged() 
{ 
if (xmlhttp.readyState==4)
  { 
  var xmlDoc=xmlhttp.responseXML.documentElement;
  document.getElementById("companyname").innerHTML=xmlDoc.getElementsByTagName("compname")[0].childNodes[0].nodeValue;
  document.getElementById("contactname").innerHTML=xmlDoc.getElementsByTagName("contname")[0].childNodes[0].nodeValue;
  document.getElementById("address").innerHTML=xmlDoc.getElementsByTagName("address")[0].childNodes[0].nodeValue;
  document.getElementById("city").innerHTML=xmlDoc.getElementsByTagName("city")[0].childNodes[0].nodeValue;
  document.getElementById("country").innerHTML=xmlDoc.getElementsByTagName("country")[0].childNodes[0].nodeValue;
  }
}

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;
}