var req;
var reqTimeout;
var select_field;
var form_name;

function loadXMLDocC(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 = processRChange;
        req.open("GET", url, true);
        req.send(null);
        reqTimeout = setTimeout("req.abort();", 5000);
    } else {
        alert("Браузер не поддерживает AJAX");
    }
}

function processRChange() {
    if (req.readyState == 4) {
        clearTimeout(reqTimeout);
        // only if "OK"
        if (req.status == 200) {
            document.getElementById(target_place).innerHTML=req.responseText;
        } else {
            alert("Не удалось получить данные:\n" + req.statusText);
        }
    }
}

function SelectList (select_id, data){
	var select = document.getElementById(select_id);

	select.options.length = 0;
	if(data.length == 0) return;

	var arr = data.split('\n');
	for(var i in arr){
		val = arr[i].split('=');
		select.options[select.options.length] = new Option(val[1], val[0], false, false);
		}
	}


function stat(n)
{
  switch (n) {
    case 0:
      return "не инициализирован";
    break;

    case 1:
      return "загрузка...";
    break;

    case 2:
      return "загружено";
    break;

    case 3:
      return "в процессе...";
    break;

    case 4:
      return "готово";
    break;

    default:
      return "неизвестное состояние";
  }
}

function requestcart(params, url, target_div){
	target_place = target_div;
	params=params+'&height='+document.getElementById(target_div).offsetHeight;
	loadXMLDocC(url + params);
	var current = document.getElementById(target_div).offsetHeight;
}

function hideshow(target_div, lang){
	var current = document.getElementById(target_div).offsetHeight;
	if (current == 250) {
		document.getElementById(target_div).style.height = 20;
		document.getElementById("l_hideshow").value = "Показать";
	} else {
		document.getElementById(target_div).style.height = 250;
		document.getElementById("l_hideshow").value = "Скрыть";
	}
}