var xmlhttp;

function showUser(str,ctlName)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
var url="getprice.php";
url=url+"?q="+str;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=function(){
if (xmlhttp.readyState==4)
{
document.getElementById("txt"+ctlName).innerHTML=xmlhttp.responseText;
document.getElementById("cart"+ctlName).innerHTML='<a href="https://www.ccavenue.com/shopzone/custcart/sendtocart.jsp?M_ttkmaps_11345,'+str+',http://www.ttkgis.com/mapstore/digimaps.php"><img border=0 src="digiimages/buyit.gif" alt="Add to Cart"/></a>';
}
};
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}

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;
}