function inspectObj(obj) {
  var s = "InspectObj:";

  if (obj == null) {
    s = "(null)"; alert(s); return;
  } else if (obj.constructor == String) {
    s = "\"" + obj + "\"";
  } else if (obj.constructor == Array) {
    s += " _ARRAY";
  } else if (typeof(obj) == "function") {
    s += " [function]" + obj;

  } else if ((typeof(XMLSerializer) != "undefined") && (obj.constructor == XMLDocument)) {
    s = "[XMLDocument]:\n" + (new XMLSerializer()).serializeToString(obj.firstChild);
    alert(s); return;

  } else if ((obj.constructor == null) && (typeof(obj) == "object") && (obj.xml != null)) {
    s = "[XML]:\n" + obj.xml;
    alert(s); return;
  }
  
  for (p in obj) {
    try {
      if (obj[p] == null) {
        s += "\n" + String(p) + " (...)";

      } else if (typeof(obj[p]) == "function") {
        s += "\n" + String(p) + " [function]";

      } else if (obj[p].constructor == Array) {
        s += "\n" + String(p) + " [ARRAY]: " + obj[p];
        for (n = 0; n < obj[p].length; n++)
          s += "\n  " + n + ": " + obj[p][n];

      } else {
        s += "\n" + String(p) + " [" + typeof(obj[p]) + "]: " + obj[p];
      } // if
    } catch (e) { s+= e;}
  } // for
  alert(s);
} // inspectObj