<form name="login" id="login_frm" action="https://www.icq.com/karma/login.php" method="post" onsubmit="return check();">
	<div class="d1-3">Чтобы продолжить, пожалуйста, войдите в систему:</div>
		<div class="d1-4">
			<input type="hidden" name="dest" value="http://www.icq.com">
			<input type="hidden" name="service" value="30">
			<input type="hidden" name="icq_ln" value="6569E408CBECB37FC2FE44A99719A0BE8AA9C1067A59D325DF85095EE04C981F">
			<div class="d1-4-1">Номер ICQ или E-mail</div>
			<div class="d1-4-2">Пароль ICQ</div>
			<div class="d1-4-3"><input type="text" name="uin_email" value="" class="d1-4-input" onkeydown="uin_field_change()"></div>
			<div class="d1-4-4"><input type="password" name="password" class="d1-4-input" maxlength="32"></div>
			<div class="d1-4-5">
					<div>
						<div class="but-3" name="next" title="Войти" onclick="submit_login();">
							<img src="img/icon_l.gif" width="20" height="29" alt="">
						</div>
						<div class="but-1" name="next_btn" id="next_btn" title="Войти" onclick="submit_login();">
							<div>Войти</div>
						</div>
						<div class="but-2" name="next" title="Войти">
							<input type="image" src="img/corner_r.gif" width="6" height="29" alt="">
						</div>
					</div>
					
				</div>
				<div class="d1-4-6">
					<input type="checkbox" class="d1-4-chk" id="rem" name="rem" value="1"><span class="d1-4-rem" onclick="remember_me_check()">&nbsp;Запомнить меня</span>
					&nbsp;<img src="img/info.gif" title="Справка" class="d1-4-img" alt="" border="0" width="14" height="14" onclick="window.open('http://www.icq.com/legal/legal_popup_message_ru.html',null,'height=200,width=600,status=no,toolbar=no,menubar=no,location=no,resizable=no')">
				</div>
		</div>
		</form>

<input type="hidden" name="icq_ln" value="6569E408CBECB37FC2FE44A99719A0BE8AA9C1067A59D325DF  85095EE04C981F">

public static void main(String[] args) {
       Start testPostRequest = new Start();
       //создаём лист параметров для запроса
       java.util.List<String[]> params = new LinkedList<String[]>();
       params.add(new String[]{"uin_email", "***"});
       params.add(new String[]{"password", "***"});
       params.add(new String[]{"dest", "http://www.icq.com/support/change_password/?icid=nav_pw"});
       params.add(new String[]{"service", "30"});
       params.add(new String[]{"icq_ln", "9BCB804B320E26F8D19B640A8A70950B52043FB82B44DF2CE5CDF3E2D1284D9D"});
       params.add(new String[]{"rem", "1"});
       //будем использовать прокси
       testPostRequest.useProxy = true;
       testPostRequest.proxyAdress = "221.238.17.245";
       testPostRequest.proxyPort = 8080;
       try {
           //отправляем запрос на страницу логина http://vkontakte.ru
           System.out.println(testPostRequest.sendPostRequest("https://www.icq.com/karma/login_page.php", params));
       } catch (IOException e) {
           e.printStackTrace();
       }
   }

private String sendPostRequest(String urlLocation, java.util.List parameters) throws IOException {
       StringBuffer result = new StringBuffer();
       HttpURLConnection connection = getConnection(urlLocation);
       System.out.println("Соединение с " + urlLocation + " установлено.");

       connection.setRequestMethod("POST");
       connection.setRequestProperty("Referer", urlLocation);
       connection.setRequestProperty("Cookie", "your cookies may be here");
       String data = "";
       if (parameters != null) {
           for (int i = 0; i < parameters.size(); i++) {
               String param[] = (String[]) parameters.get(i);
               if (i != 0) {
                   data = data + "&";
               }
               data = data + param[0] + "=" + URLEncoder.encode(param[1], "UTF-8");
           }

       }
       if (parameters != null && data.length() != 0) {
           connection.setRequestProperty("Content-Length", Integer.toString(data.length()));
       }
       connection.connect();

        

       if (parameters != null && data.length() != 0) {
           System.out.println("Отправка данных..");
           PrintWriter out = new PrintWriter(connection.getOutputStream());
           out.write(data);
           out.flush();
           System.out.println("Получение ответа от сервера..");
       }
       result.append("response code: ").append(connection.getResponseCode()).append("\n");
       result.append("response cookies: ").append(getResponseCookies(connection)).append("\n");
       result.append("response page source: ").append("\n");
       

       BufferedReader rd = new BufferedReader(new InputStreamReader(connection.getInputStream()));
       String line;
       while ((line = rd.readLine()) != null) {
           result.append(line).append("\n");
       }
       
       connection.disconnect();
       return result.toString();
   }