Here is the main file code index.php <html> <head> <script> function recivemessage(str){ var msz; if(window.XMLHttpRequest){ msz = new XMLHttpRequest(); } else{ alert("failed"); } msz.open("GET","response.php?msg="+str,true); msz.send(); } </script> </head> <body> <input type="button" value='ok' onclick="recivemessage('ssss')" > </body> </html> -------------------------------- Here is the response code <html> <body> <h1>Server1</h1> <?php $msg=$_GET['msg']; echo $msg; ?> </body> </html>