rem: var border = this._borderBox = this._focusBox = document.createElement("div"); 
add: var border = this._borderBox = this._backgroundBox = this._focusBox = document.createElement("div"); 
context:     construct: function(id, containerId, props) {        arguments.callee.$.call(this, "div", "button", id, containerId);        var s = this._box.style;        s.borderStyle = "solid";        s.borderColor = tw_COLOR_WINDOWFRAME;                                s.borderWidth = "0px";                var border = this._borderBox = this._focusBox = document.createElement("div");        var s = border.style;        s.overflow = "hidden";        s.backgroundColor = tw_COLOR_TRANSPARENT;        s.zIndex = "0";        this._box.appendChild(border);        var surface = this._fontBox = this._focusBox = document.createElement("a");        var s = surface.style;        s.display = "block";                s.overflow = "hidden";        s.cursor = "default";        s.whiteSpace = "nowrap";        s.textAlign = "center";        s.paddingLeft = tw_Button.textPadding + "px";        s.paddingRight = tw_Button.textPadding + "px";        s.backgroundColor = tw_COLOR_TRANSPARENT;        s.backgroundRepeat = "no-repeat";        s.backgroundPosition = "5% 50%";        surface.appendChild(document.createTextNode(""));        border.appendChild(surface);        this._fontBox = surface;                tw_addEventListener(this._box, "mousedown", this._mouseDownListener.bind(this));            tw_addEventListener(this._box, ["mouseup", "mouseout"], this._mouseUpListener.bind(this));            tw_addEventListener(this._box, ["click", "dblclick"], this._clickListener.bind(this));        tw_addEventListener(border, "focus", this._focusListener.bind(this));            tw_addEventListener(border, "blur", this._blurListener.bind(this));                this.init(-1, props);    },    
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/d532c0ea03ef1c91856bba5408f049541b39c2ba/Button.js/clean/src/thinwire/render/web/resources/Button.js