function checkReadyState(obj, id)

{

var x = window.screen.width/2-100;

var y = window.screen.height/2-50;

switch(obj.readyState)

{

case 0:

document.getElementById(id).visibility="hidden";

break;

case 1:

document.getElementById(id).visibility="hidden";

break;

case 2:

document.getElementById(id).visibility="hidden";

break;

case 3:

document.getElementById(id).visibility="hidden";

break;

case 4:

document.getElementById(id).visibility="hidden";

return (obj.status == 200);

break;

default:

document.getElementById(id).visibility="hidden";

}} 





   var http_request = false;

   function makePOSTRequest(url, parameters) {

      http_request = false;

//	  checkReadyState(http_request,"ch");

      if (window.XMLHttpRequest) { // Mozilla, Safari,...

         http_request = new XMLHttpRequest();

         if (http_request.overrideMimeType) {

         	// set type accordingly to anticipated content type

            //http_request.overrideMimeType('text/xml');

            http_request.overrideMimeType('text/html');

         }

      } else if (window.ActiveXObject) { // IE

         try {

            http_request = new ActiveXObject("Msxml2.XMLHTTP");

         } catch (e) {

            try {

               http_request = new ActiveXObject("Microsoft.XMLHTTP");

            } catch (e) {}

         }

      }

      if (!http_request) {

         alert('Cannot create XMLHTTP instance');

         return false;

      }

      

      http_request.onreadystatechange = alertContents;

      http_request.open('POST', url, true);

      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");

      http_request.setRequestHeader("Content-length", parameters.length);

      http_request.setRequestHeader("Connection", "close");

      http_request.send(parameters);

   }



   function alertContents() {

      if (http_request.readyState == 4) {

         if (http_request.status == 200) {

            result = http_request.responseText;

			if (result!="") {

				var s='<select name="atelepules" id="telepules" style="width:300px;" >';

				var vag=result.split(",");

				for (var i = 0; i < vag.length; i++) {

					s=s+'<option>'+vag[i]+'</option>\n';

				}

				s=s+'</select>';

				document.getElementById('dobozki').innerHTML=s;

			}

         } else {

         }

      }

   }

   

   function get(obj) {

      makePOSTRequest('get.php', obj);

   }