// JavaScript Document

var http_request_newsletter = false;
function ajaxNewsletter(url, parameters) {
	http_request_newsletter = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
	   http_request_newsletter = new XMLHttpRequest();
	   if (http_request_newsletter.overrideMimeType) {
	      http_request_newsletter.overrideMimeType('text/html');
	   }
	} else if (window.ActiveXObject) { // IE
	   try {
	      http_request_newsletter = new ActiveXObject("Msxml2.XMLHTTP");
	   } catch (e) {
	      try {
	         http_request_newsletter = new ActiveXObject("Microsoft.XMLHTTP");
	      } catch (e) {}
	   }
	}
	if (!http_request_newsletter) {
	   alert('Cannot create XMLHTTP instance');
	   return false;
	}
	http_request_newsletter.onreadystatechange = alertContents;
	http_request_newsletter.open('POST', url, true);
	http_request_newsletter.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http_request_newsletter.setRequestHeader("Content-length", parameters.length);
	http_request_newsletter.setRequestHeader("Connection", "close");
	http_request_newsletter.send(parameters);
}
function alertContents() {
	if (http_request_newsletter.readyState == 4) {
	   if (http_request_newsletter.status == 200) {
	      result = http_request_newsletter.responseText;
		  document.getElementById('newsletterInfo').style.display='block';
	      document.getElementById('newsletterInfo').innerHTML = result;	  
	   } else {
	      alert('Problem z żądaniem skryptu.');
	   }
	}
}
function getNewsletter(obj) {
	var poststr = "mail=" + escape(encodeURI( document.getElementById("mail").value )) + "&imie=" + escape(encodeURI( document.getElementById("imie").value )) + "&topic=" + document.getElementById("topic").value;
	ajaxNewsletter('newsletter_add_mail.php5', poststr);	  
}