function Panel() {
    var resizablepanel;
}

Panel.prototype.Show = function(obj, width, height) {

    this.resizablepanel = new YAHOO.widget.Panel(obj, {
        draggable: true,
        width: width + "px",
        height: height + "px",
        autofillheight: "body",
        constraintoviewport: true,
        context: ["showbtn", "tl", "bl"]
    });
    this.resizablepanel.render();
    //this.resizablepanel.show();
}