function makePOSTRequest(url, parameters, target) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		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 = function () {
	  if (http_request.readyState == 4) {
		 if (http_request.status == 200) {
			//alert(http_request.responseText);
			result = http_request.responseText;
			$("div#"+target).html(result);
		 } else {
			alert('A kéréssel probléma merült fel.');
		 }
	  }
  }

  
  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+'&ttt='+Math.random());
}



function callSiteContents(vars, target) {
	makePOSTRequest('process.php', vars, target);
}