http = getHTTPObject();
 
function getHTTPObject(){
  var xmlhttp = "";
 
  /*@cc_on
 
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    }catch(e){
      try{
      xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }catch(E){
      xmlhttp = false;
    }
  }
  @else
    xmlhttp = false;
  @end @*/
 
  if(!xmlhttp && typeof XMLHttpRequest != 'undefined'){
    try {
      xmlhttp = new XMLHttpRequest();
    }catch(e){
      xmlhttp = false;
    }
  }
 
  return xmlhttp;
}
 
function pon_producto () {
//	alert ("hola");
	  var url = "../producto.php?ID=" + document.pres_producto.valorID.value + "&lang=" + document.pres_producto.lang.value;
	  http.open("GET", url, true);
	  http.onreadystatechange = handleHttpResponse;
 
  http.send(null);
}
 
function handleHttpResponse(){
  if(http.readyState == 4){
    document.getElementById('answer').innerHTML = http.responseText;
//	http.close();
//    document.pres_producto.prod.text = http.responseText;
  }
//  else alert (http.readyState + " - " + url);
}