var req;
var reqTimeout;

//get resorts 
function loadXMLDoc(url) {
    req = null;
    if (window.XMLHttpRequest) {
        try {
            req = new XMLHttpRequest();
        } catch (e){}
    } else if (window.ActiveXObject) {
        try {
            req = new ActiveXObject('Msxml2.XMLHTTP');
        } catch (e){
            try {
                req = new ActiveXObject('Microsoft.XMLHTTP');
            } catch (e){}
        }
    }
 
    if (req) {
        req.onreadystatechange = processReqChange;
        req.open("GET", url, true);
        req.send(null);
        reqTimeout = setTimeout("req.abort();", 5000);
    } else {
        alert("Браузер не поддерживает AJAX");
    }
}
 
function processReqChange() {
 
    if (req.readyState == 4) {
        clearTimeout(reqTimeout);
 
        // only if "OK"
        if (req.status == 200) {
		document.getElementById('select_resorts').innerHTML=req.responseText;
		document.getElementById('all_resorts').style.visibility="hidden";
        } else {
            alert("Не удалось получить данные:\n" + req.statusText);
        }
    }  
}
 
function requestdata_resorts(country_id)
{
  loadXMLDoc('extours/get_resorts.php?country_id='+country_id);
}

//get hotels
function loadXMLDoc_hotels(url) {
    req = null;
    if (window.XMLHttpRequest) {
        try {
            req = new XMLHttpRequest();
        } catch (e){}
    } else if (window.ActiveXObject) {
        try {
            req = new ActiveXObject('Msxml2.XMLHTTP');
        } catch (e){
            try {
                req = new ActiveXObject('Microsoft.XMLHTTP');
            } catch (e){}
        }
    }
 
    if (req) {
        req.onreadystatechange = processReqChange_hotels;
        req.open("GET", url, true);
        req.send(null);
        reqTimeout = setTimeout("req.abort();", 5000);
    } else {
        alert("Браузер не поддерживает AJAX");
    }
}
 
function processReqChange_hotels() {
 
    if (req.readyState == 4) {
        clearTimeout(reqTimeout);
 
        // only if "OK"
        if (req.status == 200) {
		document.getElementById('select_hotels').innerHTML=req.responseText;
		document.getElementById('all_hotels').style.visibility="hidden";
        } else {
            alert("Не удалось получить данные:\n" + req.statusText);
        }
    }  
}
function requestdata_hotels(resort_id)
{
  loadXMLDoc_hotels('extours/get_hotels.php?resort_id='+resort_id);
}