rem: this.element.style.backgroundImage = this.oldBgImage; 
add: if(this.oldBgImage) this.element.style.backgroundImage = this.oldBgImage; 
context:   finish: function() {    this.element.style.backgroundColor = this.options.restorecolor;    this.element.style.backgroundImage = this.oldBgImage;  }
meta: 4973	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4973/e8c39d48af400cd700cad64b8c66b855d356a5bc/effects.js/buggy/src/effects.js