rem: toColorPart: function() { var digits = this.toString(16); if (this < 16) return '0' + digits; return digits; }, 
add: Number.prototype.toColorPart = function() { var digits = this.toString(16); if (this < 16) return '0' + digits; return digits; } 
context:   toColorPart: function() {    var digits = this.toString(16);    if (this < 16) return '0' + digits;    return digits;  },
meta: 5663	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5663/57687341792749db94b850962ee7ed7f18e1087d/prototype.js/clean/manager/media/script/scriptaculous/prototype.js