function changeSelected(doc, item) {
  var radioItem= document.getElementById(doc + item + "_r");
  radioItem.checked= true;
}

function loadOptions() {
  var dxp= document.getElementById("dxp");
  href= "?dxp=" + dxp.value;
  
  document.getElementById("details").innerHTML= "loading...";
  document.getElementById("options").innerHTML= "loading...";
  
  // make request for details
  detailsHref= "/live/dxp-details" + href;
  AjaxRequest.get(
  {
    'url':detailsHref
    ,'onSuccess':function(req){ document.getElementById("details").innerHTML=req.responseText; }
    ,'onError':function() {alert("Error");}
  }
  );
  
  // make request for options
  optionsHref= "/live/dxp-options" + href;
  AjaxRequest.get(
  {
    'url':optionsHref
    ,'onSuccess':function(req){ document.getElementById("options").innerHTML=req.responseText; }
  }
  );
}

function doPageLoad() {
  loadOptions()
}
  
function addEvent(obj, evType, fn){ 
  if (obj.addEventListener){ 
    obj.addEventListener(evType, fn, false); 
    return true; 
  } else if (obj.attachEvent){ 
    var r = obj.attachEvent("on"+evType, fn); 
    return r; 
  } else { 
    return false; 
  } 
}
addEvent(window, 'load', doPageLoad);