url = "http://android.erfolgmedia.com/new_login/log.php?act=in";
String login_tag = "login";
String email = "adi@erfolgmedia.com";
String pass = "adiadi";

try{
List<NameValuePair> params2 = new ArrayList<NameValuePair>();
params2.add(new BasicNameValuePair("tag", login_tag));
params2.add(new BasicNameValuePair("email", email));
params2.add(new BasicNameValuePair("password", pass));

HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
httppost.setEntity(new UrlEncodedFormEntity(params2, HTTP.UTF_8));
HttpResponse response = httpclient.execute(httppost);
String data = new BasicResponseHandler().handleResponse(response);
webView = (WebView) findViewById(R.id.webView1);

webView.setWebViewClient(new HelloWebViewClient());
webView.loadDataWithBaseURL(httppost.getURI().toString(), data, "text/html", HTTP.UTF_8, null);
webView.getSettings().setJavaScriptEnabled(true);

String postData = "tag" + "=" + login_tag + "&" + "email" + "=" + email + "&" + "password" + "=" + pass;

webView.postUrl(url, EncodingUtils.getBytes(postData, "utf-8"));
}catch(Exception e){
e.printStackTrace();
}

}