var xmlHttp

function showHint(str1,str2)
{
  if (str1.length==0)
  {
    document.getElementById("txtPublication").innerHTML="";
    return;
  }
  xmlHttp=GetXmlHttpObject()
  if (xmlHttp==null)
  {
    alert ("Your browser does not support AJAX!");
    return;
  }
  var url='p='+escape(str1)+'&ss='+escape(str2);  // NOTE: no '?' before querystring
  url=url+'&sid='+Math.random();

  xmlHttp.onreadystatechange=stateChanged;

  self.xmlHttp.open('POST','/cgi-bin/getpublication.mp',true);
  self.xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
  xmlHttp.send(url);
}

function stateChanged()
{
  if (xmlHttp.readyState==4) 
  {
    document.getElementById("txtPublication").innerHTML=xmlHttp.responseText;
  }
}

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;
}