var xmlHttp

  function showHint(str,ks,fylke,skoleid){
    if (str.length==0){ 
      document.getElementById("txtHint").innerHTML=""
      return
    }
  
    xmlHttp=GetXmlHttpObject()
    if (xmlHttp==null){
      alert ("Browser does not support HTTP Request")
      return
    } 

    var url="rubrikk/include/sokdb.php"
    url=url+"?q="+str
    url=url+"&ks="+ks
    url=url+"&s="+skoleid
    url=url+"&f="+fylke
    url=url+"&sid="+Math.random()
    xmlHttp.onreadystatechange=stateChanged 
    xmlHttp.open("GET",url,true)
    xmlHttp.send(null)
  } 

  function stateChanged() { 
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
      document.getElementById("txtHint").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;
  }