var jmAjax = function()
{
  /* initialize XmlHttp Object */
  this.xmlHttp = false;
  
  /*@cc_on @*/
  /*@if (@_jscript_version >= 5)
  try
  {
    this.xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");    
  }
  catch (e)
  {
    try
    {
      this.xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    catch (e2)
    {
      this.xmlHttp = false;
    }
  }
  @end @*/
  
  // if we don't have an object at this point, and the XMLHttpRequest object exists, sing halleluja!
  if (!this.xmlHttp && typeof(XMLHttpRequest) != 'undefined') 
  {
    try
    {
      this.xmlHttp = new XMLHttpRequest();
    }
    catch (e)
    {
      this.xmlHttp = false;
    }
  }
  
  if (!this.xmlHttp)
  {
    throw "AJAX Not Supported by your browser. Please install Firefox 2 or greater. Goto: http://www.getfirefox.com.";
  }
  
  /**
   * The response text
   */
  this.responseText = null;
  
  /**
   * The response in XML format
   */
  this.responseXML = null;
  
  /**
   * Called when request is successful (200 http status code)
   *
   * You need to override this to get it's effect.
   */
  this.callbackSuccess = function()
  {
  };
  
  /** 
   * Called when request failed (http status is first argument)
   *
   * You need to override this to get it's effect.
   */
  this.callbackFailure = function(status)
  {
  };
  
  /**
   * Private: sets onreadystatechange xmlHttp callback
   */
  this.onreadystatechange = function()
  {
    var ajaxObj = this;
    return function() {
      // request completed
      if (ajaxObj.xmlHttp.readyState == 4)
      {
        ajaxObj.responseText = ajaxObj.xmlHttp.responseText;
        ajaxObj.responseXML  = ajaxObj.xmlHttp.responseXML;
        
        if (ajaxObj.xmlHttp.status == 200)
        {
          ajaxObj.callbackSuccess();
        }
        else
        {
          ajaxObj.callbackFailure(ajaxObj.xmlHttp.status);
        }
      }
    };
  }
  
  /**
   * Sends a GET request to the specified URL
   */
  this.get = function(url)
  {
    this.xmlHttp.open("GET", url, true);
    this.xmlHttp.onreadystatechange = this.onreadystatechange();
    this.xmlHttp.send(null);
  }
  
  /**
   * Sends a POST request to the specified URL with specified data
   *
   * Post data is name=value pairs
   */
  this.post = function(url, postdata)
  {
    this.xmlHttp.open("POST", url, true);
    this.xmlHttp.onreadystatechange = this.onreadystatechange();
    this.xmlHttp.setRequestHeader("Content-Type", "text/plain");
    this.xmlHttp.send(postdata);
  }
  
  /**
   * Sends a XML POST request to the specified URL with specified XML data
   *
   * XML data is an XML document (with root element the works)
   */
  this.post_xml = function(url, xmldata)
  {
    this.xmlHttp.open("POST", url, true);
    this.xmlHttp.onreadystatechange = this.onreadystatechange();
    this.xmlHttp.setRequestHeader("Content-Type", "text/xml");
    this.xmlHttp.send(xmldata);
  }
};

function parseJSON(json){return(/^[\],:{}\s]*$/.test(json.replace(/\\./g,'@').replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']').replace(/(?:^|:|,)(?:\s*\[)+/g,'')))?eval('('+json+')'):{}}