//<![CDATA[

//****************************
// httpConnection Object:
// http object to send/request data over internet
//****************************
httpConnection = function(url, dataHandler, altUrl) {
    this.url = url;
    this.altUrl = altUrl;
    this.dataHandler = dataHandler;
    this.method = "GET";
    this.async = true;
    this.connected = false;
    this.pageFound = false;
    
    this.connect();
//    if(!this.connected)
//    	window.location.href = altUrl;
}

htp = httpConnection.prototype;

//****************************
// http Object creation
//****************************
htp.connect = function() {
    var cn;
    /*@cc_on
        @if (@_jscript_version >= 5)
            try {
                cn = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    cn = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (E) {
                    cn = false;
                  }
              }
        @else
            cn = false;
    @end @*/
    if (!cn && typeof XMLHttpRequest != 'undefined') {
    try {
      cn = new XMLHttpRequest();
    }
    catch (e) {
      cn = false;
    }
  }
  if(cn) {
    this.connected = true;
    this.cn = cn;
  }
}

//****************************
// Asinchronicous Connection
//****************************
htp.getUrl = function() {
    var cn = this.cn;
    var obj = this;
    cn.onreadystatechange = function() {
        if(cn.readyState == 4) {
            obj.pageFound = (cn.status == "200");
            if(obj.pageFound) {
                obj.dataHandler("success", obj);
            }
            else
                obj.dataHandler("error", obj);
        }
    }
    cn.open(this.method, this.url, this.async);
    obj.dataHandler("loading", obj);
    cn.send(null);
}

//]]>