ÿþvar xmlHttp = false;

var xmlHttp_response_func = 'xmlHttp_responseXML';

  

function xmlHttp_init(s_url, parameters, request_type, func) {

  xmlHttp = xmlHttp_get_object();

  if (xmlHttp == null)

    return;

  xmlHttp.onreadystatechange = stateChanged;

  request_type == '' || request_type == null ? request_type = 'GET' : 0;

  parameters == '' ? parameters = null : 0;

  if (request_type == 'GET') {

    parameters != '' && parameters.indexOf('?') != 0 ? s_url += '?' + parameters : 0;

    parameters = null;

  } else {

    //parameters != '' && parameters.indexOf('?') != 0 ? parameters = '?' + parameters : 0;

  }

  xmlHttp.open(request_type, s_url);

  if (request_type == 'POST') {

    //xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded", "charset=UTF-8");

    xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

    xmlHttp.setRequestHeader("Content-length", parameters.length);

    xmlHttp.setRequestHeader("Connection", "close");

  }

  if (func)

    xmlHttp_response_func = func;

  xmlHttp.send(parameters);

  

}



function xmlHttp_get_object() {

  var xmlHttp=null;

  try {

    // Firefox, Opera 8.0+, Safari

    xmlHttp=new XMLHttpRequest();

  } catch (e) {

    //Internet Explorer

    try {

      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");

    } catch (e) {

      xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

    }

  }

  return xmlHttp;

}



function stateChanged() {

  if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete") { 

    if (xmlHttp.status == 200) {

      var cType = xmlHttp.getResponseHeader('Content-Type');

      if (xmlHttp.debug)

        alert(cType+':'+xmlHttp.responseText);

      if (cType.search(/text\/plain/) > -1 || cType.search(/text\/html/) > -1) {

        try {

          if(typeof xmlHttp_response_func == 'function') {

            xmlHttp_response_func(xmlHttp.responseText);

          } else {

            xmlHttp_responseText(xmlHttp.responseText);

          }

        } catch (e) {

        }

      } else {

        try {

          if(typeof xmlHttp_response_func == 'function') {

            xmlHttp_response_func(xmlHttp.responseXML);

          } else {

            xmlHttp_responseXML(xmlHttp.responseXML);

          }

        } catch (e) {

        }

      }

    } else

      alert('Bitte kontrollieren Sie Ihre Internet-Verbindung oder laden Sie ggf. die Seite neu.');

  } 

}