var oIFrame = null;
    function createIFrame()
    {
        var oIFrameElement = document.createElement("iframe");

        oIFrameElement.width=0;
        oIFrameElement.height=0;
        oIFrameElement.frameBorder=0;
        oIFrameElement.name = "hiddenFrame";
        oIFrameElement.id = "hiddenFrame";

        document.body.appendChild(oIFrameElement);

        oIFrame = frames["hiddenFrame"];
    }

    function requestAjaxInfo()
    {
        document.getElementById('tartalom').innerHTML = '';
        if (!oIFrame)
        {
            createIFrame();
			document.getElementById('tartalom').innerHTML = '<img src="./includes/images/loading.gif">';
            setTimeout(requestAjaxInfo, 10);
            return;
        }
		oIFrame.location = url;
    }

    function displayAjaxInfo(sText)
    {
        var tartalom = document.getElementById("tartalom");
        tartalom.innerHTML = sText;
    }
function $(Object){return document.getElementById(Object);}
function Atlanta_AJAX_Class(url, object, fajl)
{
    /*
    * Készítette: Pásztor Attila © 2009
    * Lényege:
    *  url    -> get metódus használata...
    *  object -> ahova meg akarjuk jeleníteni a leendő tartalmat
    *  fajl   -> ha megadunk egy fájlt akkor azt fogja meghívni, különben az ajax.php-t
    */
    //this.showTartalom = showTartalom;
    this.stateChanged = stateChanged;
    var xmlHttp
    this.object = object;
    this.url = url;
    
    showTartalom();
    function showTartalom()
    {
        xmlHttp = GetXmlHttpObject();
        if (xmlHttp == null)
        {
            alert ("Your browser does not support AJAX!");
            return;
        } 
        if (fajl)
        {
            url = fajl + '?page=' + url + "&sid=" + Math.random();
        }
        else
        {
            url = 'ajax.php?page=' + url + "&sid=" + Math.random();
        }
        xmlHttp.onreadystatechange = stateChanged;
        xmlHttp.open("GET",url,true);
        xmlHttp.send(null);
    } 
    
    function $(Object){return document.getElementById(Object);}
    function stateChanged() 
    { 
        if (xmlHttp.readyState == 4)
        { 
            if($(object))
            {
                $(object).innerHTML = xmlHttp.responseText;
                meret();
            }
        }
        else
        {
            if ($(object))
            {
                $(object).innerHTML = '<table border="0" align="center" style="text-align:center"><tr><td><div style="margin-top:5px;border:2px #9e0b0f solid;color:#484848;width:150px;height:40px;background:#e7c2c3"><div style="margin-top:10px;"><img src="./images/ajax_loader.gif"> Töltés...</div></div></td></tr></table>';
            }
        }
    }

    function GetXmlHttpObject()
    {
        var xmlHttp = null;
        try
        {
            // Firefox, Opera 8.0+, Safari
            xmlHttp = new XMLHttpRequest();
        }
        catch (e)
        {
            // Internet Explorer
            try
            {
                xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
            }
            catch (e)
            {
                xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
        }
        return xmlHttp;
    }        
}
function bf(ln){new Atlanta_AJAX_Class('borfeltoltes&ln='+ ln,'ajax_tartalom')}
 //function meret(){($('ajax_tartalom').offsetHeight < 300)?$('ajax_tartalom').style.height = '300px':$('ajax_tartalom').style.height = '';}