function loadPage() { 
    var req = false; 

    if (window.XMLHttpRequest) { // Mozilla, Safari,... 
        req = new XMLHttpRequest(); 
        if (req.overrideMimeType) { 
            req.overrideMimeType('text/xml');                 
        } 
    } else if (window.ActiveXObject) { // IE 
        try { 
            req = new ActiveXObject("Msxml2.XMLHTTP"); 
        } catch (e) { 
            try { 
                req = new ActiveXObject("Microsoft.XMLHTTP"); 
            } catch (e) {} 
        } 
    } 

    if (!req) { 
        alert('Giving up :( Cannot create an XMLHTTP instance'); 
        return false; 
    } 
    req.onreadystatechange = function() { showPage(req); }; 
    var st = document.zoek.st.value; 
    req.open('GET', '/vinder.php?zoek='+st , true); 
    req.send(null); 

} 
     
function showPage(req) { 
    if (req.readyState == 4) { 
                  document.getElementById("page").innerHTML = req.responseText; 

    } 
    else { 
        document.getElementById("page").innerHTML = 'bezig met zoeken...'; 
    } 

}