var httpRequest_STUDIO = false;
var noResult = "Kein Ergebnis";
var studio_url = "http://"+ window.location.hostname +"/includes/studio.php";

function changeStudio(what, elem, sel2c, db, typ) {
   httpRequest_STUDIO = false;
   if(window.XMLHttpRequest)  // Mozilla, Safari,...
       httpRequest_STUDIO = new XMLHttpRequest();
   else if(window.ActiveXObject) { // IE
       try {
           httpRequest_STUDIO = new ActiveXObject("Msxml2.XMLHTTP");
    }
       catch (e) {
           try {
               httpRequest_STUDIO = new ActiveXObject("Microsoft.XMLHTTP");
     }
           catch (e) {}
       }
   }
   if(!httpRequest_STUDIO) 
      return false;
   httpRequest_STUDIO.onreadystatechange = function() {
      if(httpRequest_STUDIO.readyState == 4) {
         if(httpRequest_STUDIO.status == 200) 
            handleHttpResponse_STUDIO(httpRequest_STUDIO.responseText,sel2c);
       else
          return false;
         }
    else
       return false;
   }
   if(what=='LD'){
	document.getElementById("adms").options[0].selected=true;
	document.getElementById('adms').disabled=true;
	document.getElementById('admf').disabled=true;
   }
   if(what=='BL'){
	document.getElementById('admf').disabled=true;
   }  
   var selval = document.getElementById(elem).options[document.getElementById(elem).selectedIndex].value;
  document.getElementById(sel2c).innerHTML = "<img src='http://"+ window.location.hostname +"/images/loading.gif' alt='wird geladen' style='width:16px; height:16px;' />"; 
  httpRequest_STUDIO.open('get', studio_url+'?what='+what+'&selval='+selval+'&db='+db+'&typ='+typ, true);
  httpRequest_STUDIO.send(null);
}


function handleHttpResponse_STUDIO(content, sel2c) {
   if(!document.getElementById)
      return false;
   if(!document.getElementById(sel2c))
   return false;
   if(content == "FALSE")
      document.getElementById(sel2c).innerHTML = noResult;
   else
      document.getElementById(sel2c).innerHTML = content; 
}