//OBJECTS_STYLES
function get_obj_style(obj_id) {
    // cross-browser function to get an object's style object given its
    if(document.getElementById && document.getElementById(obj_id)) {
  // W3C DOM
  return document.getElementById(obj_id).style;
    } else if (document.all && document.all(obj_id)) {
  // MSIE 4 DOM
  return document.all(obj_id).style;
    } else if (document.layers && document.layers[obj_id]) {
  // NN 4 DOM.. note: this won't find nested layers
  return document.layers[obj_id];
    } else {
  return false;
    }
} // get_obj_style