var http_request = false;
   function makePOSTRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
         }
      } 
	  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() {
	document.getElementById('ajaxloader').style.display = '';         
	document.getElementById('ajax').innerHTML = '';         
      if (http_request.readyState == '4') {
         if (http_request.status == '200') {
 
			//alert(http_request.responseText);
 
			result = http_request.responseText;
	document.getElementById('ajaxloader').style.display = 'none';         
	document.getElementById('ajax').innerHTML = result;         
		 } 
		 else {
            alert('Some problem are ocured.');
         }
      }
   }


function CheckName() {makePOSTRequest('ajax.php', "nick=" + encodeURI( document.getElementById("username").value));}
function ViewAjax() {makePOSTRequest('../ajax.php', "view=" + encodeURI( document.getElementById("message").value));}
function toggleRivieras() {makePOSTRequest('ajax.php', "get_cityes=" + encodeURI( document.getElementById("country").value));}
function language_up(ID) {makePOSTRequest('../ajax.php', "language_up=" + encodeURI(ID));}
function language_down(ID) {makePOSTRequest('../ajax.php', "language_down=" + encodeURI(ID));}