function dObj(id) {
   if        (document.getElementById) {
      this.el = document.getElementById(id);
      this.css = this.el.style;
   } else if (document.all) {
      this.el = document.all[id];
      this.css = this.el.style;
   } else if (document.layers) {
      this.el = document.layers[id];
      this.css = this.el;
   }
   this.x = parseInt(this.css.left);
   this.y = parseInt(this.css.top);
   this.zIndex = this.css.zIndex;
   this.sichtbar = true;
   if (document.layers) {
      this.breite = this.el.document.width;
      this.hoehe = this.el.document.height;
   } else {
      this.breite = this.el.offsetWidth;
      this.hoehe = this.el.offsetHeight;
   }
   this.gehNach = dObj_gehNach;
   this.zeige = dObj_zeige;
   this.verstecke = dObj_verstecke;
}

function dObj_gehNach(x,y) {
   this.css.left = x;
   this.css.top = y;
   this.x = x;
   this.y = y;
}

function dObj_zeige() {
   this.css.visibility = "visible";
   this.sichtbar = true;
}

function dObj_verstecke() {
   this.css.visibility = "hidden";
   this.sichtbar = false;
}