/* heartBeat */
//var timeoutid = setInterval("Heartbeat()", 4500);

function Heartbeat()
{
    document.getElementById("heartbeatframe").src = "disclaimer.htm";
}

function ShowOverlay()
{
    var overlay = document.getElementById("TotalOverlay");
    var rotation = document.getElementById("rotation");
    overlay.style.display ='block';
    rotation.style.display ='block';
}

function HideOverlay()
{
     var overlay = document.getElementById("TotalOverlay");
     var rotation = document.getElementById("rotation");
    overlay.style.display ='none';
    rotation.style.display ='none';
}

function StopTimeout()
{
    clearInterval(timeoutid);
}

function ResumeTimeout()
{
    timeoutid = setInterval("Heartbeat()", 4500);
}

function Openwindow(url)
{
    var objWindow = document.getElementById("OpenWindow");
    var frame = document.getElementById("WindowFrame");
    var overlay = document.getElementById("TotalOverlay");
    
    objWindow.style.display='block';
    frame.src = url;
    overlay.style.display ='block';
}

function CloseWindow()
{
    var objWindow = document.getElementById("OpenWindow");
    var overlay = document.getElementById("TotalOverlay");
    
    objWindow.style.display='none';
    overlay.style.display ='none';
}

function ChangePicture(fOut)
{
    var pic = document.getElementById("WindowButton");
    
    if(fOut == true)
    {
        pic.src = 'pics/button_out.jpg';
    }
    else
    {
        pic.src = 'pics/button_in.jpg';
    }
}

function Changepicture(obj,picture)
{
    obj.src = 'pics/' + picture;
}

function ChangeSelection(fShowFrame,frame)
{
    //hide all frames/divs first
    document.getElementById('bijtellingframe').style.display= 'none';
    document.getElementById('productframe').style.display= 'none';
    
    if(fShowFrame)
    {
        document.getElementById('productframe').style.display= '';
        document.getElementById('productframe').src = frame;
    }
    else
    {
        document.getElementById('bijtellingframe').style.display= '';
    }
}