function loadXMLDoc(mName) {
  var callback = {
    success: function(o) {
        document.getElementById(mName).innerHTML = o.responseText;
    },
    failure: function(o) {
        document.getElementById(elemId).innerHTML = "";
    }
  }
  var transaction=YAHOO.util.Connect.asyncRequest('POST', '/cmd/getCacheContent.pl', callback, "mName="+mName);
}

function addEvent(obj, evType, fn){
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, false);
    return true;
  } else if (obj.attachEvent){
    return obj.attachEvent("on"+evType, fn);
  } else {
    return false;
  }
}