Tu je kód.
	
function getAjax() {
          var xmlhttp;
          
          if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
            try {
              xmlhttp = new XMLHttpRequest();
            } catch (e) {
              xmlhttp = false;
            }
		  }
          return xmlhttp;
        }	
		function postText()
		{
			chatbox = document.getElementById( "mytext" );
			chat = escape(chatbox.value);
			chatbox.value = '';
			if(chat.length == 0 ) {return; }
                        var params = "sprava=" + chat;
			url = 'prijmi.php';
			
			req = getAjax();
			
			req.onreadystatechange = function(){
			
				if( req.readyState == 4 && req.status == 200 ) {
				
					fetch();
				}
			
			}
			req.open( 'POST', url, true );
                        req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
   			req.setRequestHeader("Content-length", params.length);
			req.setRequestHeader("Connection", "close");
			req.send(params);
		}
A v prijmi.php to beriem ako $sprava = $_POST['sprava'];
Predom Ďakujem za Vaše odpovede.
