var xmlHttp
function showHint(str)
{
if (str.length==0)
  { 
  document.getElementById("txtHint").innerHTML=""
  return
  }
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
  {
  alert ("Browser does not support HTTP Request")
  return
  } 
var url="gethint.php"
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 == 0)
     {
     document.getElementById("txtHint").innerHTML = "<div style='margin: 0px auto 0px; width: 870px; padding: 25px; background-color: #333;'>Suche wird durchgeführt...<br /><br /><img src='../bilder/loading.png' alt='Wird geladen...' /></div>";
     }
     else if(xmlHttp.readyState == 1)
     {
     document.getElementById("txtHint").innerHTML = "<div style='margin: 0px auto 0px; width: 870px; padding: 25px; background-color: #333;'>Suche wird durchgeführt...<br /><br /><img src='../bilder/loading.png' alt='Wird geladen...' /></div>";
     }
     else if(xmlHttp.readyState == 2)
     {
     document.getElementById("txtHint").innerHTML = "<div style='margin: 0px auto 0px; width: 870px; padding: 25px; background-color: #333;'>Suche wird durchgeführt...<br /><br /><img src='../bilder/loading.png' alt='Wird geladen...' /></div>";
     }
     else if(xmlHttp.readyState == 3)
     {
     document.getElementById("txtHint").innerHTML = "<div style='margin: 0px auto 0px; width: 870px; padding: 25px; background-color: #333;'>Suche wird durchgeführt...<br /><br /><img src='../bilder/loading.png' alt='Wird geladen...' /></div>";
     }    
     else 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;
}