function aali_anchormap_setImages(aImageSource, bImageSource, cImageSource, dImageSource) {
   document["aali_anchormap_image_a"].src = aImageSource;
   document["aali_anchormap_image_b"].src = bImageSource;
   document["aali_anchormap_image_c"].src = cImageSource;
   document["aali_anchormap_image_d"].src = dImageSource;
}