window.onload = function()
{
    var dummy = new Date().getTime();
    $('im_front').src = "/bestelImage?" + dummy;

    if ($('btn_save_login'))
        Event.observe(
            'btn_save_login', 
             'click', 
             function() 
             { 
                 alert("Log eerst in om op te kunnen slaan.");
             }
        );

    if ($('btn_save'))
        Event.observe(
            'btn_save', 
             'click', 
             function() 
             { 
                var t = $('template_category');
                if (t)
                    window.location = "saveTemplate?categoryId=" + escape(t.value);
                else
                    window.location = "saveTemplate";
             }
        );
}