// detect usable browser screen size
function alignPageOnScreen() {

    var winW = 630, winH = 460;

    try {   
        if (parseInt(navigator.appVersion) > 3) {
            if (navigator.appName == "Netscape") {
                // also Firefox & Chrome
                winW = window.innerWidth;
                //winH = window.innerHeight;
            }
            else if (navigator.appName != "Netscape") {
            winW = document.body.offsetWidth;
                //winH = document.body.offsetHeight
            }
        }
    } catch (error) {
    }

    if (winW < 1100) {
        document.getElementById('HRline').className = 'HRlineSmallscreen';
        document.getElementById('bodyHeaderMain').className = 'BodyHeaderMainSmallscreen';
        document.getElementById('footerContainer').className = 'footerContainerSmallscreen';
    }
}


// Prevents session timeout
var timer = setTimeout('refresh()', 30000);
function refresh() {
    var xmlHttp;
    if (window.ActiveXObject) {
        var xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else {
        var xmlHttp = new XMLHttpRequest();
    }

    xmlHttp.open("GET", "/Reconnect.aspx", false);
    xmlHttp.send();

    str = xmlHttp.responseText

    //alert(str);

    timer = setTimeout('refresh()', 30000);
}



function openLinkZoeken(inputZoekenId, SearchDefaultStr, LangStr) 
{
    var theInputZoeken = document.getElementById(inputZoekenId);
    if (theInputZoeken) {
        if (theInputZoeken.value == SearchDefaultStr) { theInputZoeken.value = '' }
        window.location = '/'+ LangStr +'/Artikelen.aspx?zoeken=1&q=' + theInputZoeken.value;
    }
}