var lRenderStartTime = new Date();

function clearPreloadPage(resultObjectId) {
    //Zobraz cas potrebny pro renderovani
    try {
        var lCurrentDate = new Date();
        var lDuration = (lCurrentDate - lRenderStartTime) / 1000;

        if (document.getElementById) {
            document.getElementById(resultObjectId).innerHTML = lDuration;
        }
        else {
            if (document.layers) { //NS4
                document.RenderTime.innerHTML = lDuration;
            }
            else { //IE4
                document.all.RenderTime.innerHTML = lDuration;
            }
        }
    } catch (e) { }
}