function change(object,index) {
	if (document.images) {
		if (index>=0 && index<bilder.length) {
			object.src=bilder[index].src
			aktBild=index
		}
	}
}

if (document.images) {
Slider_r1_c1_F1 = new Image(34,20); Slider_r1_c1_F1.src = "left_1.gif";
Slider_r1_c1_F2 = new Image(34,20); Slider_r1_c1_F2.src = "left_2.gif";
Slider_r1_c3_F1 = new Image(34,20); Slider_r1_c3_F1.src = "right_1"; 
Slider_r1_c3_F2 = new Image(34,20); Slider_r1_c3_F2.src = "right_2.gif"; 
}
/* Function that swaps images. */

function di20(id, newSrc) {
    var theImage = FWFindImage(document, id, 0);
    if (theImage) {
        theImage.src = newSrc;
    }
}

/* Functions that track and set toggle group button states. */

function FWFindImage(doc, name, j) {
    var theImage = false;
    if (doc.images) {
        theImage = doc.images[name];
    }
    if (theImage) {
        return theImage;
    }
    if (doc.layers) {
        for (j = 0; j < doc.layers.length; j++) {
            theImage = FWFindImage(doc.layers[j].document, name, 0);
            if (theImage) {
                return (theImage);
            }
        }
    }
    return (false);
}