rem:  if (image.length > 0) { s.backgroundImage = "url(" + tw_BASE_PATH + "resources/" + image + ")"; s.paddingLeft = tw_Button.imagePadding + "px"; } else { s.backgroundImage = ""; s.paddingLeft = tw_Button.textPadding + "px"; }  
add: s.backgroundImage = tw_Component.expandUrl(image, true); s.paddingLeft = (image.length > 0 ? tw_Button.imagePadding : tw_Button.textPadding) + "px"; 
context:     setImage: function(image) {        var s = this._fontBox.style;            if (image.length > 0) {            s.backgroundImage = "url(" + tw_BASE_PATH + "resources/" + image + ")";            s.paddingLeft = tw_Button.imagePadding + "px";        } else {            s.backgroundImage = "";            s.paddingLeft = tw_Button.textPadding + "px";        }                this.setWidth(this.getWidth());        this.setHeight(this.getHeight());    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/8f2ce9e3f78081709c76a9b7805c880f91cc39af/Button.js/clean/src/thinwire/render/web/resources/Button.js