/*****************************************************************
 *	Flexmodul Bildergalerie: Variante 3 (Vorschau für Lightbox)  *
 *****************************************************************/
 
function resize_image(id) {
    bild_doc = new Image();
    bild_doc.src = document.getElementById(id).src;
    if (bild_doc.width > 100) {
        document.getElementById(id).width = 100;
        document.getElementById(id).height = Math.round(bild_doc.height * 100 / bild_doc.width);
        document.getElementById(id).style.top = Math.round((100-document.getElementById(id).height)/2) + 'px';
    }
    else {
        document.getElementById(id).style.left = Math.round((100-bild_doc.width)/2) + 'px';
    }
}

function wait_for_image(id) {
    image_obj = new Image();
    image_obj.src = document.getElementById(id).src;
    var ready = true;
    if (image_obj.complete == false && image_obj.src != '') {
        ready = false;
    }
    if (ready) {
        resize_image(id);
    } else {
        window.setTimeout(function(){wait_for_image(id);}, 1000);
    }
}