// XMLHttpオブジェクト作成
function createXmlHttpRequest( cbFunc ) {
  var XMLHttpObject =null;
  try {
    XMLHttpObject = new XMLHttpRequest();
  } catch( e ) {
    try {
      XMLHttpObject = new ActiveXObject("Msxml2.XMLHTTP");
    } catch( e ) {
      try {
        XMLHttpObject = new ActiveXObject("Microsoft.XMLHTTP");
      } catch( e ) {
        return null;
      }
    }
  }
  if ( XMLHttpObject ) XMLHttpObject.onreadystatechange = cbFunc;
  return XMLHttpObject;
}
 
function addPrm( src, itm, val ) {
  var prm = itm + "=" + encodeURI(val);
  if ( src == "" ) {
    return prm;
  }
  return src + "&" + prm;
}

function setInnerHtml( itm, val ) {
  document.getElementById(itm).innerHTML = val;
}