var xmlhttp;

function myXMLHttpRequest ()
{
  var xmlhttplocal;
  try {
  	xmlhttplocal = new ActiveXObject ("Msxml2.XMLHTTP")}
  catch (e) {
	try {
	xmlhttplocal = new ActiveXObject ("Microsoft.XMLHTTP")}
	catch (E) {
	  xmlhttplocal = false;
	}
  }

  if (!xmlhttplocal && typeof XMLHttpRequest != 'undefined') {
	try {
	  var xmlhttplocal = new XMLHttpRequest ();
	}
	catch (e) {
	  var xmlhttplocal = false;
	}
  }
  return (xmlhttplocal);
}

try {
    netscape.security.PrivilegeManager.enablePrivilege("UniversalBrowserRead");
} catch (e) {
//    alert("Permission UniversalBrowserRead denied.");
}

function checkbooking(ds, de, pid)
{

	var xmlhttp;
	var url;
	
	url = "http://www.secondhomeconsulting.eu/Check.aspx?ds=" + ds + "&de=" + de + "&pid=" + pid;
	
	//alert(url);
	
	xmlhttp = new myXMLHttpRequest ();
	xmlhttp.open ("GET", url, false);
	xmlhttp.send ();
	
	return xmlhttp.responseText;

}