this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta, 
this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta, 
  setValueBy: function(delta, handleIdx) {    this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta,       handleIdx || this.activeHandleIdx || 0);  },
3727	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3727/f26de598115946c975d7d8c1f9a3c34da03381fa/slider.js/clean/gallery/js/cropper/slider.js