Форум программистов [Powered by Invision Power Board]

Код

func_ajaxgetdata = function(url,backform)
    {
    try
        {
        ajax = new XMLHttpRequest();
        }
    catch(e)
        {
        try
            {
            ajax = new ActiveXObject("Msxml2.XMLHTTP");
            }
        catch(e)
            {
            try
                {
                ajax = new ActiveXObject("Microsoft.XMLHTTP");
                }
            catch(e)
                {
                alert("Your browser broke!");
                return false;
                }
            }
        }
    
    if(ajax)
        {
        ajax.open("GET", url, true);
        ajax.onreadystatechange = ajaxanswer;
        ajax.send(null);
        }
    
    function ajaxanswer()
        {
        try
            {
            if (ajax.readyState == 4)
                {
                if (ajax.status == 200)
                    {
                    switch(backform)
                        {
                        case  1:
                            {
                            return ajax.responseText;
                            break;
                            }
                        case  2:
                            {
                            return ajax.responseXML;
                            break;
                            }
                        case  3:
                            {
                            return ajax.responseText;
                            break;
                            }
                        }
                    }
                else
                    {
                    alert("Не удалось получить данные:\n" + ajax.statusText);
                    }
                }
            }
        catch(e)
            {
            // alert('Caught Exception: ' + e.description);
            // В связи с багом XMLHttpRequest в Firefox приходится отлавливать ошибку
            // Bugzilla Bug 238559 XMLHttpRequest needs a way to report networking errors
            // https://bugzilla.mozilla.org/show_bug.cgi?id=238559
            }
        }