Hi I'm tring to track my packages with my program..
I should fill a textbox called barkod with a value .. then click the button in the

website : PTT Genel Müdürlü?ü-General Directorate of Turkish Post

Trace Registered Postal Items
_____________________
|___BARCODE NUMBER___| BUTTON


but I couldn't do it, the code still returns the source codes of the main page..
what should I do ??? =((((
Code:
import java.io.*;
import java.net.*;
import java.security.Security.*;
import com.sun.net.ssl.*;
import com.sun.*; 

public class HTTPRequestPoster {
	

	 public static void main(String args[]) throws Exception {
		 int ch;
		 String page;
		 URL url;
		 url = new URL("http://www.ptt.gov.tr");
		 HttpURLConnection httpConn;
		 httpConn = (HttpURLConnection)(url.openConnection());
		 httpConn.setRequestMethod("POST");
		 httpConn.setRequestProperty("Content-Type", "text/plain");
		 httpConn.setRequestProperty("barkod", "RJ464842336GB");
		
		 
		 BufferedInputStream in = new BufferedInputStream(httpConn.getInputStream()) ;
		 StringBuffer buff = new StringBuffer();
		 while((ch = in.read()) != -1) 
		 buff.append((char)ch);

		 System.out.print(page = buff.toString());
		 

	 }
	}
or

Code:
int ch;
		 URL url;
		 url = new URL("http://www.ptt.gov.tr");
		// HttpURLConnection httpConn = null;
		 String page;
		 
		 HTMLDocument myDoc = null ;
		 myDoc=(HTMLDocument)url.openConnection();
		 HTMLInputElement barkod = (HTMLInputElement)myDoc.getElementsByName("barkod");
		 barkod.setValue("RJ464842336GB");
		 HTMLInputElement buton = (HTMLInputElement)myDoc.getElementsByName("Sb22");
		 buton.click();


these don't work !!! =(((((((((((((