// JavaScript Document
var xmlHttp;
var ajaxitem;

function showHint(str)
{
  if (str.length==0)
    { 
    // document.getElementById("txtHint").innerHTML="";
    // str=""; 
    //return;
    }
  xmlHttp=GetXmlHttpObject();
  ajaxitem="showHint";
  if (xmlHttp==null)
    {
    alert ("Your browser does not support AJAX!");
    return;
    } 
  var url="getspot.php";
  url=url+"?q="+str;
  
  url=url+"&sid="+Math.random();
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
} 

function saveVOTE(id, vote)
{
  if (vote)
  { 
    xmlHttp=GetXmlHttpObject();
    ajaxitem="saveVOTE";

    if (xmlHttp==null)
      {
      alert ("Your browser does not support AJAX!");
      return;
      } 
    var url="ajax_savevote.php";
    url=url+"?id="+id;
    url=url+"&vote="+vote;
    
    url=url+"&sid="+Math.random();
    xmlHttp.onreadystatechange=stateChanged;
    xmlHttp.open("GET",url,true);
    xmlHttp.send(null);
  }
} 


function saveMSG(msg_id, msg_title, msg_str)
{
  if (msg_str.length==0)
    { 
    // document.getElementById("txtHint").innerHTML="";
    // str=""; 
    //return;
    }
  xmlHttp=GetXmlHttpObject();
  ajaxitem="saveMSG";
  if (xmlHttp==null)
    {
    alert ("Your browser does not support AJAX!");
    return;
    } 
  var url="ajax_savemsg.php";
  url=url+"?msg_id="+msg_id;
  url=url+"&msg_title="+escape(msg_title);
  url=url+"&msg_str="+escape(msg_str);
  
  url=url+"&sid="+Math.random();

  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
  document.getElementById("_newmessage"+msg_id).innerHTML="Danke fuer Deinen Eintrag!";
 
} 


function stateChanged() 
{ 
  if (xmlHttp.readyState==4)
  { 
    // alert('"'+xmlHttp.responseText+'"');
    if (ajaxitem=="showHint") document.getElementById("txtHint").innerHTML=xmlHttp.responseText;
    else if (ajaxitem=="saveVOTE") document.getElementById("VotingButton").innerHTML=xmlHttp.responseText;
    else if (ajaxitem=="saveMSG") { location.reload(true); }
  }
}

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;
}