s = new sack();

function aframe_clean(id) {
  document.getElementById(id).innerHTML="<span style='position:relative;top:200px;left:100px;'>Loading...</span>";
}

function aframe_fill(id) {
  document.getElementById(id).innerHTML=s.response;
}

function aframe_load(id,url) {

  aframe_clean(id);
  s.requestFile=url;
  s.onCompletion=function() {aframe_fill(id); eval("try {"+id+"_onload();} catch(err) {}"); };

  s.runAJAX();
//  document.getElementById(id).innerHTML='&nbsp;';

}