function changeImage(hid,filename)
{
    if(hid!='archief')
    {
        document.gallery_image.src = ' http://www.cacaofabriek.nl/viewImage.php?image=uploads/Image/galleries/'+hid+'/'+filename+'';
    }
    else
    {
        document.gallery_image.src = 'http://www.cacaofabriek.nl/images/projecten/'+filename+'';
    }
}