function dynObj(id,x,y,w,h) {
        this.el = (document.getElementById)? document.getElementById(id): (document.all)? document.all[id]: (document.layers)? getLyrRef(id,document): null;
        if (!this.el) return null;
        this.doc = (document.layers)? this.el.document: this.el;
        this.css = (this.el.style)? this.el.style: this.el;
        var px = (document.layers||window.opera)? "": "px";
        this.x = x || 0;        if (x) this.css.left = this.x+px;
        this.y = y || 0;        if (y) this.css.top = this.y+px;
        this.width = w? w: (this.el.offsetWidth)? this.el.offsetWidth: (this.css.clip.width)? this.css.clip.width: 0;
        this.height = h? h: (this.el.offsetHeight)? this.el.offsetHeight: (this.css.clip.height)? this.css.clip.height: 0;
        if (w){ (document.layers)? this.css.clip.width=w+px: this.css.width=w+px;}
        if (h){ (document.layers)? this.css.clip.height=h+px: this.css.height=h+px;}
        this.obj = id + "_dynObj";      eval(this.obj + "=this");
}

dynObj.prototype.show = function () { this.css.visibility = "visible"; }
dynObj.prototype.hide = function () { this.css.visibility = "hidden"; }

dynObj.prototype.shiftTo = function (x,y) {
        if (x!=null) this.x=x; if (y!=null) this.y=y;   
        if (this.css.moveTo) { 
                this.css.moveTo(Math.round(this.x),Math.round(this.y)); 
        } else { 
                this.css.left=Math.round(this.x)+"px"; 
                this.css.top=Math.round(this.y)+"px"; 
        }
}

dynObj.prototype.shiftBy = function (x,y) {
        this.shiftTo(this.x+x,this.y+y);
}

dynObj.prototype.writeLyr = function (cntnt) {
        if (typeof this.doc.innerHTML!="undefined") {
      this.doc.innerHTML = cntnt;
  } else if (document.layers) {
                        this.doc.write(cntnt);
                        this.doc.close();
  }
}

dynObj.prototype.setBgClr = function (bg) {
        if (document.layers) this.doc.bgColor=bg;
        else this.css.backgroundColor=bg;
}

function getLyrRef(lyr,doc) {
        if (document.layers) {
                var theLyr;
                for (var i=0; i<doc.layers.length; i++) {
                theLyr = doc.layers[i];
                        if (theLyr.name == lyr) return theLyr;
                        else if (theLyr.document.layers.length > 0) 
                if ((theLyr = getLyrRef(lyr,theLyr.document)) != null)
                                        return theLyr;
          }
                return null;
  }
}